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TECHFIND - PHOTONICS
Multibeam Multi-Wavelength Laser
An international team of applied scientists has demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum (infrared). The new laser emits several extremely directional beams with the same wavelength near 8 microns, which requires two coherent beams: a probe beam and a reference beam. The probe beam interacts with a sample and recombines with the reference beam to reveal optical properties of the sample. A second type laser emits multiple small divergence beams with different wavelengths (9.3 and 10.5 microns) into different directions.