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多层电介质膜立方体半反射镜由两块直角棱镜组成。 分光镜把入射光按（1∶2）或（1∶3）的比例分为反射光和透过光。
在入射面和出射面，镀了防反射多层膜。由于电介质膜几乎没有吸收，入射光的损失小。不象平板分光镜，立方体分光镜几乎不发生光轴偏移和重影现象
在入射面和出射面，镀了防反射多层膜。由于电介质膜几乎没有吸收，入射光的损失小。不象平板分光镜，立方体分光镜几乎不发生光轴偏移和重影现象
产品参数：
材料：光学级K9玻璃 
尺寸容差：+0.0/-0.1mm
光洁度：40-20
通光孔径：>90%
光束畸变：+/- 2arc min
镀膜：斜面：部分反射膜
入射面，出射面：增透膜
| 型号 | 尺寸(mm) | 波长(nm) |
| LOCBS5-532 | 5.0*5.0*5.0 | 532 |
| LOCBS10-532 | 10.0*10.0*10.0 | 532 |
| LOCBS12.7-532 | 12.7*12.7*12.7 | 532 |
| LOCBS15-532 | 15.0*15.0*15.0 | 532 |
| LOCBS20-532 | 20.0*20.0*20.0 | 532 |
| LOCBS25.4-532 | 25.4*25.4*25.4 | 532 |
| LOCBS5-633 | 5.0*5.0*5.0 | 633 |
| LOCBS10-633 | 10.0*10.0*10.0 | 633 |
| LOCBS12.7-633 | 12.7*12.7*12.7 | 633 |
| LOCBS15-633 | 15.0*15.0*15.0 | 633 |
| LOCBS20-633 | 20.0*20.0*20.0 | 633 |
| LOCBS25.4-633 | 25.4*25.4*25.4 | 633 |
| LOCBS5-780 | 5.0*5.0*5.0 | 780 |
| LOCBS10-780 | 10.0*10.0*10.0 | 780 |
| LOCBS12.7-780 | 12.7*12.7*12.7 | 780 |
| LOCBS15-780 | 15.0*15.0*15.0 | 780 |
| LOCBS20-780 | 20.0*20.0*20.0 | 780 |
| LOCBS25.4-780 | 25.4*25.4*25.4 | 780 |
| LOCBS5-850 | 5.0*5.0*5.0 | 850 |
| LOCBS10-850 | 10.0*10.0*10.0 | 850 |
| LOCBS12.7-850 | 12.7*12.7*12.7 | 850 |
| LOCBS15-850 | 15.0*15.0*15.0 | 850 |
| LOCBS20-850 | 20.0*20.0*20.0 | 850 |
| LOCBS25.4-850 | 25.4*25.4*25.4 | 850 |
| LOCBS5-1064 | 5.0*5.0*5.0 | 1064 |
| LOCBS10-1064 | 10.0*10.0*10.0 | 1064 |
| LOCBS12.7-1064 | 12.7*12.7*12.7 | 1064 |
| LOCBS15-1064 | 15.0*15.0*15.0 | 1064 |
| LOCBS20-1064 | 20.0*20.0*20.0 | 1064 |
| LOCBS25.4-1064 | 25.4*25.4*25.4 | 1064 |
| LOCBS5-420/680 | 5.0*5.0*5.0 | 420-680 |
| LOCBS10-420/680 | 10.0*10.0*10.0 | 420-680 |
| LOCBS12.7-420/680 | 12.7*12.7*12.7 | 420-680 |
| LOCBS15-420/680 | 15.0*15.0*15.0 | 420-680 |
| LOCBS20-420/680 | 20.0*20.0*20.0 | 420-680 |
| LOCBS25.4-420/680 | 25.4*25.4*25.4 | 420-680 |
| LOCBS5-620/1000 | 5.0*5.0*5.0 | 620-1000 |
| LOCBS10-620/1000 | 10.0*10.0*10.0 | 620-1000 |
| LOCBS12.7-620/1000 | 12.7*12.7*12.7 | 620-1000 |
| LOCBS15-620/1000 | 15.0*15.0*15.0 | 620-1000 |
| LOCBS20-620/1000 | 20.0*20.0*20.0 | 620-1000 |
| LOCBS25.4-620/1000 | 25.4*25.4*25.4 | 620-1000 |
| LOCBS5-900/1300 | 5.0*5.0*5.0 | 900-1300 |
| LOCBS10-900/1300 | 10.0*10.0*10.0 | 900-1300 |
| LOCBS12.7-900/1300 | 12.7*12.7*12.7 | 900-1300 |
| LOCBS15-900/1300 | 15.0*15.0*15.0 | 900-1300 |
| LOCBS20-900/1300 | 20.0*20.0*20.0 | 900-1300 |
| LOCBS25.4-900/1300 | 25.4*25.4*25.4 | 900-1300 |
| LOCBS5-1200/1600 | 5.0*5.0*5.0 | 1200-1600 |
| LOCBS10-1200/1600 | 10.0*10.0*10.0 | 1200-1600 |
| LOCBS12.7-1200/1600 | 12.7*12.7*12.7 | 1200-1600 |
| LOCBS15-1200/1600 | 15.0*15.0*15.0 | 1200-1600 |
| LOCBS20-1200/1600 | 20.0*20.0*20.0 | 1200-1600 |
| LOCBS25.4-1200/1600 | 25.4*25.4*25.4 | 1200-1600 |
