光二极体(近红外光) Near-infrafed Photodiodes
中性密度滤光镜 Neutral Density Filters
夜视设备 Night Vision Equipment
氮分子激光 Nitrogen Lasers
非线性光学晶体 Nonlinear Crystals
光开关(非机械式) Non-mechanical Optical Switches
GRI N透镜 GRIN Lenses (Graduated Refractive Index Rod)
中性密度滤光镜 Neutral Density Filters
夜视设备 Night Vision Equipment
氮分子激光 Nitrogen Lasers
非线性光学晶体 Nonlinear Crystals
光开关(非机械式) Non-mechanical Optical Switches
GRI N透镜 GRIN Lenses (Graduated Refractive Index Rod)
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