Category: Fiber lasers

Fiber Lasers for marking machines and 10 reasons to choose them

Fiber lasers are widely applied in many various spheres such as medicine, aerospace, etc. So there is no wonder that fiber laser machines for marking play an important role in businesses that require engraving or adding markings to their products. Nowadays, numerous companies insist on putting their logos or special markings, containing a crucial company or product’s information, to their item.

Main principles of fiber laser marking machines

It should be noted that the principle of fiber laser marking machines’ operation is based on the use of highly concentrated energy from light generated by a laser beam of high quality, then this energy obtained by such a fiber laser system allows creating an image or writing over a product’s surface.

Also, fiber laser machines for marking are considered to be quite useful because they apply the light from a laser beam as a way of a product’s identification. Compared to the previous identification technique that used paint and ink for marking, fiber laser technology based on concentrated energy by laser beam’s light produces markings that cannot be smudged or covered over. This is the main reason why the majority of companies began to use this fiber laser system-based solution for engraving logos and descriptions on their products.

Fiber Laser marking machines’ features

Herewith, fiber laser marking machines offer numerous other reasons why it is necessary to choose them for your business:

Fiber laser technology is a highly reliable and environmentally friendly solution;
Laser system application on a wide range of materials;
High-quality permanent marks on any surface;
Cost-efficiency;
Fiber laser marking machines are extremely durable and long-lasting;
Resistance to harsh environmental conditions (high temperatures);
Resistance to the process of sterilization, the laser system machine is ideal for medical and surgical equipment;
High level of safety without the use of ink, paint, dangerous chemical matters or fumes;
Fiber laser marking is software-based, to be precise, the machine enables to engrave any letter or character;
Possibility to produce high-quality images on an object.

Fiber laser marking machines applications

Finally, these marking machines have numerous fields of fiber laser applications. For example, they are widely applied in the medical industry for manufacturing very specific medical tools. Fiber laser marking machines allows marking images, logos or even description on the medical devices that are subject of the sterilization process, herewith, the fiber laser technology does not influence the surface, consequently, it is safe to any patient.

One more fiber laser application includes marking the serial number of firearms that makes every item personal. Thus, it becomes easier to identify any firearm in the case of its stealing. Also, fiber laser marking machines are used for marking the serial number of each part of the industry during the manufacturing process.

Optromix is a fast-growing fiber laser manufacturer and a vendor of optical fiber sensors and optical monitoring systems. The company offers fast turnkey solutions and creates sophisticated fiber laser systems for special purposes. Optromix uses only its own technologies and develops a broad variety of fiber lasers. If you have any questions or would like to buy a laser system, please contact us at info@optromix.com

Laser Systems developed for cancer cell detection

Nowadays researchers develop a totally new type of laser system that allows the detection and killing of tumor cells from the outside of the shin. Thus, preventing cancer cells from spreading to other parts of the body through the blood. Despite the fact that this laser device is still far from becoming a commercial diagnostic tool, the laser systems demonstrate sensitivity of up to 1,000 times higher than traditional techniques used to find tumor cells in the blood.

Importance of the novel System development

It should be noted that generally blood samples are taken to test cancer spread. However, quite often these tests cannot detect tumor cells even if they are present in a single sample, particularly, in the early form of cancer. That is why the detection of the cell by a laser system plays a crucial role. It is often too late to make effective treatment of patients since cell detection was late.

The novel laser technology is a non-invasive method of cancer cell detection that enables the examination of larger quantities of blood with a greater level of sensitivity. Firstly, such a laser system was tested in the lab, then on animals, and recently brought to clinical trials in humans.

The principle of the laser technology operation is based on the use of light pulses produced by a laser beam on the outside of the skin to heat up cells in the blood. Herewith, the laser beam affects only melanoma cells — not healthy ones — because of a dark pigment (melanin) absorbing the light located in these cells. Also, the laser system uses an ultrasound technique for the detection of the teensy, tiny waves emitted by this heating effect.

Results of the newly developed Laser Systems

Thus, 28 light-skinned patients who had melanoma and 19 healthy volunteers who didn’t have melanoma tested the laser system technology. To be precise, doctors shone the laser beam onto the patients’ hands and detected that within 10 seconds to 60 minutes, the laser system could find cancer cells in 27 out of 28 cases.

The laser device didn’t demonstrate any false positives on the healthy patients, and the laser did not provoke safety concerns or side effects. Moreover, laser technology does not harm the skin where cells produce melanin naturally. The main reason for it depends on the laser beam light that affects a relatively large area on the skin, so it is not focused enough on the skin to damage these cells.

An additional benefit of the developed laser system includes fewer circulating tumor cells after the treatment, in spite of the fact that the researchers’ purpose was diagnosing rather than treating cancer, nevertheless, the laser beam seemed able to kill the cancer cells even at the low energy. The future aim of laser technology research is its development to identify circulating tumor cells released by cancers other than melanoma as well as in people with darker skin.

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Laser system that allows detecting enemies by their heartbeat

It is a well-known fact that every person on the Earth is unique, that is why they have unique fingerprints and even a unique heartbeat. This unique characteristic has become a concept to the US military’s newest identification device based on the laser system.

To be more precise, the US Department of Defense uses laser system technology to design an infrared laser module that allows detecting enemy combatants from a distance by scanning their heartbeats. The principle of the laser system device is based on the process of laser vibrometry or non-contact vibration measurements to identify the movement of the surface evoked by a person’s heartbeat.

It should be noted that the improved laser technology is not a novel one, the laser device is the development of the existing technology that includes the use of already available tools for measuring vibrations in distant structures such as wind turbines. The researchers from the US Department of Defense confirm that the designed laser system can penetrate clothing and reach a positive detection about 95% of the time from up to 200 meters (650 feet) away, herewith, the presented laser technology is not limited and can be extended in the nearest future.

Of course, the opportunity to use such a laser device from space remains unreal but longer distances are possible. Additionally, this laser technology is considered to be still in its early stages because the laser system is not able to penetrate thick clothing yet and it is required that a person sit or stand in one place for it to operate (about 30 seconds for reading begins).

One more challenge is the necessity to create a cardiac signature database as well as other various biometric identification techniques ranging from facial recognition to retinal scans. Despite the fact that this laser product is not ideal and requires some improvements, cardiac signature identification provides more benefits than some conventional identification techniques, so it is impossible to change someone’s heartbeat as face or fingerprints can.

It was planned to combine the laser technology with other identification techniques creating a possibility to measure the unique characteristic of cardiac signatures at a distance, thus, the laser system offers additional biometric identification when environmental conditions and changes in facial appearance remain inefficient.

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Laser technology that can amazingly change human life

The word “laser” is considered to be a light amplification of stimulated emission of radiation. Laser technology is not only a scientific term or a “clever” word from sci-fi movies and TV shows but laser systems offer numerous laser applications that considerably have changed human lives over the last decades.

The principle of laser system operation is based on coherent light emissions. To be more precise, the light produced by a laser beam is emitted with spatial coherence. It means that the light of the laser beam remains narrow across long distances, herewith, it has a tight focus, while when it comes to the temporal coherence, then the light has a pulsed emission over a short period.

It should be noted that the first laser system was designed over fifty years ago, and at that time it was impossible to imagine the vast range of laser applications. Nowadays the development of laser technology allows carrying out various advances that bring profit to modern society.

The most widespread laser applications include the following:

- Medicine
  Today it is hardly possible to imagine the medical field without using laser technology, especially, the use of laser systems for cancer treatment and surgery processes. Additionally, there is an opportunity for therapy by lasers to combine with other treatment techniques to fight cancer. For example, laser systems are able to reduce or even destroy tumors that are close to the body surface.
  Laser modules made a great contribution to the surgical sphere, thus, the way to perform different procedures has been changed. For example, scalpels based on laser technology are widely applied for general surgery and procedures requiring more accuracy. Therefore, lasers for eye surgery can restore a patient’s eyesight back.
- Industry
  The application of laser systems in manufacturing includes cutting, welding, drilling, and engraving as well as the creation of smartphones, tablets, and LED TV screens with the help of laser technology. The efficiency and power of laser systems have revolutionized the global economy.
- Communication
  Optical fiber communication is one of the growing laser application areas. Lasers allow carrying out free-space optical communication, while traditional fiber optics use fiber cables. For example, laser systems offer communication among solar-powered satellites that are thousands of kilometers apart. Moreover, the use of lasers is not limited only by an industrial area and it continues growing.

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Fiber laser systems promote product technologies

Such advantages of fiber lasers as throughput, reliability, and low operational cost make laser systems a powerhouse in the manufacturing industries where it is necessary to cut, weld, mark, and micromachine materials. Herewith, fiber laser systems differ from traditional industrial lasers by their unique features. For example, high-power single-mode laser systems and widely flexible pulsed fiber lasers allow solving various process challenges by electronic control of operating parameters.

The principle of fiber laser operation is based on converting relatively low-brightness pump light emitted by laser diodes into high-brightness output, where the output laser beam quality is often the only spatial mode enabled by the physics of the fiber laser system design. The uniqueness of fiber lasers among other types of lasers includes such features as a sealed optical cavity and a single-mode, guided-wave medium.

It should be noted that a sealed optical path in modern fiber laser systems provides immunity to environmental contamination and enables not to carry out any adjustment. High-power laser system’s components include single-mode laser modules into high-brightness delivery fiber in fused fiber combiners. Thus, fiber lasers are considered to be a highly reliable laser technology that offers minimal variation over time and temperature.

The thing is that the use of sealed pump diodes and non-darkening fiber optic technology creates a laser system that is possible to be used continuously in production for years without any adjustment or degradation. For example, numerous industrial manufacturers use fiber lasers or disk lasers for metal cutting and welding because of the practically equal power, laser beam quality, wavelength, reliability, and beam delivery options.

The most common applications of fiber laser systems include high-speed remote welding because there is no need for the contact process during laser system welding, that is why the laser technology includes no tool wear. Additionally, fiber lasers allow the joining of various materials due to the brightness and dynamic capabilities of laser systems that were considered to be unweldable before.

Also, now it is possible to employ the same fiber laser in the same optical configuration for a different range of materials processing applications by simply controlling both the laser beam pulse parameters and the scanhead toolpath. One more laser application is cleaning and drilling that were a real challenge for industrial laser systems because they had to deal with a significant variation of target materials.

Therefore, such qualities of modern fiber lasers as the brightness, stability, and flexibility extend the present material processing applications and create new ones. Fiber laser technology is perfect for manufacturing with identical laser beam properties from unit to unit, with no field adjustment or maintenance.

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Laser systems help in studying explosions

An explosion is considered to be a complex activity that is characterized by quickly changing temperatures, pressures, and chemical concentrations. There are special infrared laser systems called swept-wavelength external cavity quantum cascade tunable fiber lasers. They offer valuable and never-before-seen information about explosive fireballs.

This fiber laser device is versatile and includes such an advantage as a broad wavelength tuning range that enables it to measure numerous chemical substances as well as huge molecules in an explosive fireball. Researchers confirm that the capability of the laser system to measure and monitor the crucial changes during explosions will favor them to understand and even control the events.

The measurements by the laser system are performed with the help of rugged temperature or pressure probes placed inside an exploding fireball resulting in physical information. Nevertheless, the fiber laser device does not allow measuring chemical changes that may be created during the process of the explosion. Thus, it is possible to make a sampling of the donation end products by the tunable laser system. However, the data information will be presented only after the explosion is over.

The laser system is able to detect molecules in the fireball by controlling the way they interact with light, significantly in the infrared region. It should be mentioned that “these measurements are fast and can be taken a safe distance away”. Herewith, laser systems are essential for these purposes because fireballs are turbulent and contain highly absorbing substances.

The application of a new laser system device measures explosive occurrences at faster speeds, at higher resolutions, and for longer periods than it was possible before using infrared laser beam light. Therefore, now the swept-wavelength external cavity quantum cascade tunable fiber laser offers new measurements due to the combination of the best qualities provided by high-resolution tunable laser system spectroscopy and broadband fiber optic techniques such as FTIR.

The fiber laser system was tested on four types of high-energy explosives, all integrated into a specially developed chamber to contain the fireball. Herewith, a laser beam from the tunable fiber laser is directed through this chamber while quickly changing the laser beam light’s wavelength, then the light is recorded throughout each explosion to measure changes.

Finally, the detailed analysis of the information obtained by the laser system offers the required data about the temperature and concentrations of these substances throughout the explosive case. The tunable fiber laser opens a new way to study explosive detonations that could find other applications. Additionally, it is planned to extend the measurements due to the development of laser technology to more wavelengths, faster scan rates, and higher resolutions in the near future.

Optromix is a fast-growing fiber laser manufacturer and a vendor of optical fiber sensors and optical monitoring systems. The company offers fast turnkey solutions and creates sophisticated fiber laser systems for special purposes. Optromix uses only its technologies and develops a broad variety of fiber lasers. If you have any questions or would like to buy a laser system, please contact us at info@optromix.com

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Laser technology for military applications

Nowadays U.S. Army Infantry receives high threats, while they advance through wooded, rocky terrain to maneuver to contact and “close with the enemy” resulting in facing the most incoming fire of any army unit. This is the main reason why the U.S. Army needs additional protection. The application of laser technology is considered to be a possible solution to the problem.

To be more precise, modern laser technologies can be implemented for the use of pre-shot detection, which means that such laser systems embedded in Army weapons would allow identifying enemy weapons before they are fired. The laser system can detect an optical part of a weapon (glass) directed at a military servant. It should be noted that such an opportunity for laser technology to see a person and detect a shot threat provides a great benefit.

Thus, according to researchers, the laser system technology allows soldiers to find their enemies without first being fired upon, leading to saving human lives and changing military tactics. Nevertheless, these portable laser system emitters are still in development. Herewith, the developed laser technology should be used along with the Army’s existing Rapid Target Acquisition system that applies wireless data links to connect night vision goggles with rifle weapons sights.

Additionally, the application of such laser devices by military servants offers numerous new combat benefits. For example, laser system weapons are used both as an offensive weapon and a “detector” capable of finding targets. Herein, there are scalable laser devices, which means that they are able to collect several laser beams or fire in more narrow configurations offering various options.

The application of the defensive laser system for detection may include soldier-fired offensive laser module weapons. The laser beams are very rapid (they travel at the speed of light), moreover, the laser devices are highly quiet. Therefore, it is possible to fire silently, allowing military servants not to give up their position.

In spite of the fact that weapons based on laser technology are in development stages, they are already used in the following fields of laser application: firing laser devices for army strykers, the weapons system for the Navy, ground-testing laser weapons for the Air Force. A potential application of the laser system includes missile defense and armed drones engineered for space flight.

The use of laser technologies for military purposes has several developmental challenges. The thing is that mobile power sources are required for laser systems to operate, also portable laser devices pose some technical challenges which are necessary to be improved.

Optromix is a fast-growing fiber laser manufacturer and a vendor of optical fiber sensors and optical monitoring systems. The company offers fast turnkey solutions and creates sophisticated fiber laser systems for special purposes. Optromix uses only its technologies and develops a broad variety of fiber lasers. If you have any questions or would like to buy a laser system, please contact us at info@optromix.com

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Organic fiber laser systems enlarge their applications

According to the last research, now it has become possible to design accessible laser systems that are able to emit laser beams of a wide range of colors resulting in new fields of applications from communications and sensing systems to displays. Thus, researchers from Japan have developed an optically pumped organic thin-film laser module that allows continuously producing laser beam light for 30 ms that is about 100 times longer than previously used laser devices.

Compared to conventional inorganic laser systems (used in CD drives and laser pointers), the principle of organic thin-film laser module’s operation is based on a thin layer of organic molecules as the laser medium that emits laser beams by producing and intensifying light during the excitement of an energy source. Herewith, an intense ultraviolet laser beam light from an inorganic laser system is regarded as the energy source.

Additionally, the organic laser system is highly potential because it offers such an advantage as the opportunity to more easily reach colors that are virtually impossible with inorganic laser devices. It should be noted that “by designing and synthesizing molecules with new structures, laser beam emission of any color of the rainbow is possible.” Although organic thin-film laser systems have been studied for a long time, such features as degradation and loss processes have significantly restricted the duration of laser beam emission.

Nonetheless, the researchers succeeded to overcome the mentioned challenges and enlarge the duration of the laser system process by unifying three strategies:

The use of an organic fiber laser medium with triplet excitons that absorb various colors of laser beam light than that produced by the laser system to decrease main losses originating from the absorption of emission by packets of energy.
The problem of thermal degradation is solved by manufacturing the laser devices on a crystalline silicon wafer and gluing a piece of sapphire glass on top of the organic laser system medium with a special polymer. The thing is that the silicon and sapphire material, applied in the organic thin-film laser module, are considered to be good heat conductors that reduce the heat level in the laser devices.
The strategy of optimization of a frequently used grating structure or mixed-order distributed feedback structure installed under the organic laser system medium to achieve optical feedback, the input energy required to keep the laser devices allows reducing to new lows.

These laser systems can be used in extreme environments, that is why searching for new laser techniques to take away any inefficiencies and prevent laser devices from overheating. Moreover, the combination of the organic laser modules with inorganic ones enables the production of colors that are difficult to create by employing a conventional type of lasers, with applications in process spectroscopy, communications, displays, and sensing systems.

Optromix is a fast-growing fiber laser manufacturer and a vendor of optical fiber sensors and optical monitoring systems. The company offers fast turnkey solutions and creates sophisticated fiber laser systems for special purposes. Optromix uses only its technologies and develops a broad variety of fiber lasers. If you have any questions or would like to buy a laser system, please contact us at info@optromix.com

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Fiber laser systems do not leave scars after surgery of breast tumors

Fiber laser system allows women to have surgery for breast tumor removal without scars. The operation takes less than an hour and leaves only a tiny puncture mark. Thus, a new laser system treatment for breast cancer was recently approved for application in the UK, and it is planned to use fiber laser surgery in other countries.

To be more precise, the surgery by the fiber laser system requires just a local anesthetic. Frances Barr from Bristol became one of the first women in Britain to be subjected to a new laser system surgery for breast cancer. Compared to traditional surgery with a general anesthetic, laser technology is based on the use of local anesthetic.

The principle of fiber laser operation is based on a fine, hollow needle that is inserted through the breast tissue into the tumor, herewith, a fiber probe is brought through the needle and a hot laser beam attacks the tumor. It should be noted that after the injection of a local anesthetic into the front of the breast, the doctor applies a handheld ultrasound monitor to guide a needle towards the tumor.

When the tip of the needle achieves it, the fiber laser probe is inserted to defeat the cancerous tissue, herein, the patient is awake during the process. The woman said that she felt some inconveniences when the needle forced its way in, however, this was not painful. The dead tissue was also removed after the laser system surgery and no trace of cancer was left. The laser technology succeeded.

Compared to a lumpectomy procedure, fiber laser treatment does not present any major risks, however, the procedure can not be currently used for breast tumors bigger than 20 mm in diameter. Nonetheless, cancer surgery by fiber laser system is regarded to be particularly effective for older women with small breast tumors who may be less able to stand the traditional surgery. Also, the doctors have to be certain that the laser system treatment removes all cancer.

Every year about 25.000 women in the UK are exposed to a lumpectomy procedure for breast cancer, generally when the tumor has not spread. Conventional techniques are useful, however, leave scars that may become infected (1.5-10%). The new laser technology, in its turn, offers the same results, but without collateral damage because of the tiny size of the entry point.

The surgery by the fiber laser system takes only ten minutes to achieve the required laser beam temperature of 60 °C to 100 °C. Additionally, the laser system has heat fiber sensors that detect enough temperature eliminating the risk of damage to healthy tissue. Finally, only two tiny puncture marks are left, and it is not necessary to keep a patient at the hospital. Herewith, the main benefit of fiber laser treatment is the opportunity to repeat the process if scans reveal it didn’t destroy all of the tumors the first time around.

Optromix is a fast-growing fiber laser manufacturer and a vendor of optical fiber sensors and optical monitoring systems. The company offers fast turnkey solutions and creates sophisticated fiber laser systems for special purposes. Optromix uses only its technologies and develops a broad variety of fiber lasers. If you have any questions or would like to buy a laser system, please contact us at info@optromix.com

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Fiber laser systems criteria for clinical treatments

Which fiber laser systems suit treatment in clinics best? First of all, it should be noted that a laser system with higher power does not mean the opportunity to do things a much lower power fiber laser system will not. The application of Class 4 laser systems of 0.5 W of power is the ideal solution for laser technology treatment in clinics.

To be more precise, photobiomodulation therapy or low-level fiber laser therapy requires a sufficient quantity of laser beam light energy into injured tissues. The thing is that skin scatters and reflects most of the laser beam light that it is exposed to resulting in great challenges.

Herewith, specific wavelengths of laser beam light energy have the skin penetration ability higher than others. Nonetheless, additional barriers (hemoglobin, oxyhemoglobin, fat, and water) are distinguished under the skin that also catches or reflects more of the remaining laser beam light. Thus, it is necessary to pay careful attention to the choice of therapeutic wavelengths to maximize a fiber laser system’s efficiency.

Also, laser systems with the ideal laser beam wavelengths to penetrate the tissue and a low level of overall power allow efficient treatment of small areas and take 30 minutes or even longer. The possible solution to the low power of fiber lasers and the requirement to treat a large area is substantially increasing treatment time to maintain the necessary dosage.

Such a disadvantage of Class 3b laser systems is considered to be the main reason a lot of early fiber laser research demonstrated amazing results. Compared to Class 3, Class 4 fiber laser systems are used in photobiomodulation, where the previous lasers leave off at 0.5W of laser beam power.

The higher power of laser systems enables “sufficient laser beam energy to be passed onto nerve, muscle, ligament, tendon, and capsular tissue in a reasonable amount of time”. The thing is that the usual therapy session takes from 2 to 6 minutes, which is acceptable in a clinical setting.

Fiber laser systems of high beam quality offer such benefits as the versatility to treat injured tissue in multiple areas in a given session, which greatly improves the overall effectiveness of the laser when adding it to a plan of care. Nevertheless, Class 4 laser systems commonly have a higher cost than Class 3 laser technology.

Finally, it is necessary to take into consideration the following factors when choosing fiber laser products: the laser device manufacturing, warranty parameters, application heads, and a type of available customer service to learn the staff how to use the laser system effectively after it is purchased. Although the fiber laser cost plays a crucial role, careful consideration should be given to the mentioned factors.

Optromix is a fast-growing fiber laser manufacturer and a vendor of optical fiber sensors and optical monitoring systems. The company offers fast turnkey solutions and creates sophisticated fiber laser systems for special purposes. Optromix uses only its technologies and develops a broad variety of fiber lasers. If you have any questions or would like to buy a laser system, please contact us at info@optromix.com

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