Thorlabs索雷博 MPD249-G01 Ø2英寸90°离轴抛物面镜
| Common Specifications | ||
|---|---|---|
| Reflectance (Average) | >90% from 450 nm to 2 µm >95% from 2 to 20 µm | |
| Off-Axis Angle | 90° | |
| Clear Aperture | >90% of Diametera | |
| Surface Roughness (RMS) | < 100 Å | |
| Surface Quality | 40-20 Scratch-Dig | |
| Reflected Wavefront Error | < λ/4 RMS at 633 nm | |
| Parent Focal Length Tolerance | ±1% | |
| Reflected Focal Length Tolerance | ±1% | |
| Substrate | Aluminum | |
| Manufacturing Process | Diamond Turned | |
- 图2.1定义了直径。
Click to Enlarge图2.1：离轴抛物面反射镜示意图
| Item # | Diametera | Thicknessa | Reflected Focal Lengtha | Parent Focal Lengtha | Mounting Holes |
|---|---|---|---|---|---|
| MPD019-G01 | 1/2" (12.7 mm) | 0.74" (18.8 mm) | 1" (25.4 mm) | 1/2" (12.7 mm) | 4-40 Taps in Radial Pattern (3 Places) |
| MPD029-G01 | 1/2" (12.7 mm) | 0.74" (18.8 mm) | 2" (50.8 mm) | 1" (25.4 mm) | |
| MPD129-G01 | 1" (25.4 mm) | 1.25" (31.7 mm) | 2" (50.8 mm) | 1" (25.4 mm) | |
| MPD149-G01 | 1" (25.4 mm) | 1.25" (31.8 mm) | 4" (101.6 mm) | 2" (50.8 mm) | |
| MPD169-G01 | 1" (25.4 mm) | 1.25" (31.7 mm) | 6" (152.4 mm) | 3" (76.2 mm) | |
| MPD249-G01 | 2" (50.8 mm) | 2.47" (62.8 mm) | 4" (101.6 mm) | 2" (50.8 mm) | 8-32 Taps in Radial Pattern (3 Places) |
| MPD269-G01 | 2" (50.8 mm) | 2.47" (62.8 mm) | 6" (152.4 mm) | 3" (76.2 mm) |
- 图2.1定义了表中的参量。
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