top-hat beam
In optics, a tophat (or top-hat) beam such as a laser beam or electron beam has a near-uniform fluence (energy density) within a circular disk. It is typically formed by diffractive optical elements from a Gaussian beam.
top-hat beam中文，top-hat beam的意思，top-hat beam翻译及用法
2026-10-18 21:22 浏览次数 41