A device (40) for expanding a laser beam into an extremely wide diffraction arc. The expander, consisting of multiple number of optically transparent fibers (24) of a same diameter or of a multiple number of alternating fibers (22, 24) of two or more different diameters arranged in parallel and into a single plane will expand a laser beam (26) into an extremely wide diffraction arc of almost ... A device (40) for expanding a laser beam into an extremely wide diffraction arc. The expander, consisting of multiple number of optically transparent fibers (24) of a same diameter or of a multiple number of alternating fibers (22, 24) of two or more different diameters arranged in parallel and into a single plane will expand a laser beam (26) into an extremely wide diffraction arc of almost ... Built-in laser beam alignment system speeds accurate, reliable positioning. Twin infrared beams provide reliable perimeter security, minimizing false alarms from falling leaves, birds, etc. Lensed optics reinforce beam strength & provide excellent immunity to false alarms due to rain, snow, mist, etc.For laser diodes or any other wavelength is between 200nm and 1100nm Light source ,such as 405nm 450nm 635nm 650nm 660nm 670nm 680nm 780nm 808nm 830nm 850nm 880nm 905nm 940nm 980nm. Please keep the lens clean to make the laser beam clear and bright.
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Many laser applications require specific irradiance distributions to ensure optimal performance. In addition, some applications can benefit from time-varying distributions. In this work, we present the analytic design of a zoom XY-beam expander based on movable freeform optics that allows to simultaneously vary the magnification in x- and y-direction, respectively. This concept is not new: the ... Rami arieli the laser adventure gco 140123 beam expanders daheng beam expanders shanghai optics laser beam expander lens union optic china 5x 6x 8x 10 6um co2 znse laser
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