Thorlabs索雷博 MPD269V-M03 90°离轴抛物面反射镜
| Common Specifications | |
|---|---|
| Metallic Coating | Unprotected Gold |
| Reflectance (Average) | >97% from 800 nm to 20 µm |
| Off-Axis Angle | 90° |
| Clear Aperture | >90% of Diametera, Not Including Hole |
| Surface Roughness (RMS) | < 100 Å |
| Surface Quality | 40-20 Scratch-Dig |
| Parent Focal Length Tolerance | ±1% |
| Reflected Focal Length Tolerance | ±1% |
| Mounting Holesb | 8-32 Taps in Radial Pattern (3 Places) |
| Substrate | Aluminum |
| Manufacturing Process | Diamond Turned |
- 直径的定义如图2.1所示。
- 孔平行于聚焦光束的OAP反射镜可以通过这些孔安装到下面的转接件，但是会阻挡孔平行于准直光束的OAP反射镜的孔。
| Item # | Diametera | Thicknessa | RFLa,b | PFLa,c | Hole Orientationa | Hole Diametera | Reflected Wavefront Error |
|---|---|---|---|---|---|---|---|
| MPD229H-M03 | 2" (50.8 mm) | 2.47" (62.8 mm) | 2" (50.8 mm) | 1" (25.4 mm) | Parallel to Focused Beam | 3 mm on Coated Surface 8 mm on Back of Substrate | < λ/2 RMS at 633 nm |
| MPD249H-M03 | 2" (50.8 mm) | 2.47" (62.8 mm) | 4" (101.6 mm) | 2" (50.8 mm) | < λ/4 RMS at 633 nm | ||
| MPD249V-M03 | 2" (50.8 mm) | 2.47" (62.8 mm) | 4" (101.6 mm) | 2" (50.8 mm) | Parallel to Collimated Beam | 3.2 mm (0.13") | |
| MPD269V-M03 | 2" (50.8 mm) | 2.47" (62.8 mm) | 6" (152.4 mm) | 3" (76.2 mm) | |||
| MPD269H-M03 | 2" (50.8 mm) | 2.47" (62.8 mm) | 6" (152.4 mm) | 3" (76.2 mm) | Parallel to Focused Beam | 3 mm on Coated Surface 8 mm on Back of Substrate | |
| MPD399H-M03 | 3" (76.2 mm) | 3.47" (88.2 mm) | 9" (228.6 mm) | 4.50" (114.3 mm) | < λ/2 RMS at 633 nm |
- 图2.1定义了这个表中的参量。
- 反射焦距
- 母体焦距
Click to Enlarge图2.1 带通孔OAP反射镜的示意图
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