Laser Focusing System
The design of an optical system for focusing a laser beam with an extremely small spot size in a wide range of distances from 50 m to 2 km is presented. Difficulties with controlling the laser beam and focusing it are reduced by using a circuit with a laser beam expander.
Tags: collimator freeform laser beam expander laser beam focusing коллиматор расширитель лазерного пучка фокусировка лазерного пучка фриформ
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