A team of researchers from the U.S. has presented a type of laser beam that contradicts the standard laws of refraction, thus, leading to new opportunities for forming the beam flow of a laser system applied for optical and laser applications. To be more precise, laser beam light generally slows up when it goes through a material.
Nevertheless, new high beam quality laser emits light that does not change the speed at all resulting in the possibility of a laser beam to pass at various points in space at the same time. The operating principle of such a high beam quality laser is based on a spatial light modulator that changes the energy of the laser beam pulse to combine its properties in space and time.
The fiber laser technology developed enables the researchers to monitor the group speed of the laser beam pulse. “When a pulsed laser beam was given accurate spatiotemporal spectral correlations, it demonstrated refractory phenomena such as group-velocity invariance concerning the refractive index, group-delay cancellation, anomalous group-velocity increase in higher-index materials, and tunable group speed by changing the angle of incidence.”
It should be noted that the fiber laser technology has been already tested and the law of refraction was confirmed for spacetime wave packets that take into account these effects. Nonetheless, these properties of high beam quality laser contradict traditional laws of refraction. The researchers claim that one of the spacetime wave packets is always distinguished independently of materials through which laser beam light passes, herewith, it crosses two materials without changing its speed.
Thus, the medium properties are not important, that is why the laser beam will cross the interface and continue its operation. The thing is that the high beam quality laser does not influence the message speed, despite there are various types of materials. Pulses produced by the laser system can expand so that they arrive at various destinations at the same time.
This fiber laser technology is considered to be a new one offered a new concept for laser beam light. Therefore, such beams demonstrate the new behavior of laser systems and bring into question a build-in assumption. Finally, the team plans to examine the interaction of these new laser beams with tools such as laser systems and optical fibers, in addition to current data.
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We manufacture laser modules using our technologies based on the advanced research work and patents of the international R&D team. Laser processes are of high quality, high precision, easily-automated manufacturing solutions that provide repeatability and flexibility. If you have any questions or would like to buy a fiber laser system, please contact us at info@optromix.com