UV-grade fused-silica aplanatic lenses for excimer laser beam handling and steering, high-energy fiber laser micromachining, laser ablation, UV imaging spectroscopy and UV microscopy have been announced by CVI Laser LLC. Fused-silica positive, negative and the complementary meniscus triplet for f/3.3 focusing are mounted in a housing to maintain performance. All elements are narrowband V-coat antireflection-coated. The aplanatic lenses correct for coma and spherical aberrations and maintain a very small focused spot.

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