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Reducing Refractive Index Variations in Compression Molded Lenses by Annealing 被引量:2
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作者 Bo Tao Lianguan Shen +2 位作者 allen yi Mujun Li Jian Zhou 《Optics and Photonics Journal》 2013年第2期118-121,共4页
Compression molding of glass optics is gradually becoming a viable fabrication technique for high precision optical lenses. However, refractive index variation was observed in compression molded glass lenses, which wo... Compression molding of glass optics is gradually becoming a viable fabrication technique for high precision optical lenses. However, refractive index variation was observed in compression molded glass lenses, which would contribute to image quality degradation. In this research, annealing experiments were applied to control the refractive index variation in molded glass lenses. The refractive index variations pre and post annealing experiment in molded lenses were measured by an experiment setup based on Mach-Zehnder interferometer. The experimental results showed that the refractive index variation can be controlled providing that a proper cooling process is applied during cooling. 展开更多
关键词 Refractive Index MACH-ZEHNDER INTERFEROMETER Optical ANNEALING Compression MOLDING
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