optical glass lenses
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파울 렌즈가 거의 평면형 프로파일을 가진 레이저 라인을 생성합니다.
Product Description: Powell lenses are a type of cylindrical lens that is designed to produce a highly uniform line of light. They are named after their inventor, Dr. William Powell, who developed them in the 19th century. The main purpose of a Powell lens is to transform a collimated laser beam into a straight line of light. Unlike traditional cylindrical lenses, Powell lenses have a specific surface profile that allows them to produce a uniform line of light with a width