二向色反射镜

二向色反射镜


二向色反射镜根据波长来透过或反射光,实现光谱分光。长通二向色反射镜高反射低于截止波长的光而高透射高于截止波长的光;短通二向色反射镜与之相反,高透射低于截止波长的光而高反射高于截止波长的光。 

加工能力

常规精度等级
材料 N-BK7, Fused Silica
尺寸公差 ± 0.10 mm
直径公差 +0/-0.1mm
厚度公差 ± 0.10 mm
通光孔径 >85%
平行度 <1 arc minute
面形 Lambda/10 per 1 inch (Substrate)
表面光洁度 S/D 10-5 or S/D 20-10 (Substrate)
倒边 0.2mmx45°
镀膜 Surface 1: HR @wavelength-1 + HT @wavelength-2
Surface 2: AR @wavelength-2
Angle of Incident: 0deg or 45 deg

Part Number Material Diameter (mm) Thickness (mm) Coating Type
DDM-BK7-D12.7-3.0T-HR1064+HT532 BK7 12.7 3.0 R>99.8% @ 1064nm & R<5% @ 532nm AOI=0Deg
DDM-BK7-D12.7-3.0T-HR532+HT1064 BK7 12.7 3.0 R>99.8% @ 532nm & R<5% @ 1064nm AOI=0Deg