Fast objective for focusing laser light

A. Tsvetkov, N. Potapova
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Abstract

A fast single-component objective with a corrector has been developed for focusing laser light down to a diffraction-limited spot. It has an aperture ratio of 1:1.61. For the first time, a method involving sintering and hot molding of glasses has been used to produce an aspherical corrector that can cancel a wave aberration of 352 wavelengths.
聚焦激光的快速物镜
一种带校正器的快速单组分物镜已被开发出来,用于将激光聚焦到衍射极限点。它的光圈比为1:1.61。第一次,一种涉及烧结和热成型玻璃的方法已经被用来生产一种非球面校正器,可以抵消352波长的波像差。
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