球对称梯度折射率微球透镜具有体积小、光路短、外形易加工、使用易调整，且无螺旋光线、像差小等优越性能。
The spherical gradient refractive index micro-lens with small volume and short optical path can be easily shaped and conveniently adjusted, and has no spiral rays and low spherical aberration.
数字式激光平面干涉仪是用于测量光学元件面形和无焦光学系统波像差的光学仪器。
Digital laser plane interferometer is used to measure the surface of optical components and the wavefront aberration of non-confocal optical system.
数字式激光平面干涉仪是用于测量光学元件面形和无焦光学系统波像差的光学仪器。
Digital laser plane interferometer is used to measure the surface of optical components and the wavefront aberration of non-confocal optical system.
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