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离轴抛物面反射镜

离轴抛物面反射镜是一种能把平行光完美聚焦到一点，或者把点光源发出的光变成平行光的光学元件。

抛物面反射镜能够有效消除球面像差，且作为纯反射式光学元件，不存在色差问题，也避免了透射光学元件可能引入的相位延迟和吸收损耗。

一.15°离轴抛物面反射镜

材料:铝、铜

Diameter Focal Parent focal length  Y-Offset A B C  Coating
(mm) (mm) (mm)  (mm) (mm) (mm) (mm)  
25.4 387.6 381 100.3 9.65 382.27 6.35 Protected Gold
Protected Silver
Protected Aluminum
UV-Enhanced Aluminum
Dielectric Film
25.4 655 635 167.2 9.65 631.95 6.35
50.8 310.1 304.8 80.3 12.95 308.61 6.35
50.8 387.6 381 100.3 12.95 383.79 6.35
50.8 516.8 508 133.8 12.95 508.51 6.35
50.8 646 635 167.2 12.95 638.48 6.35
76.2 516.8 508 133.8 17.53 511.05 7.62
76.2 646 635 167.2 17.53 636.02 7.62
101.6 387.6 381 100.3 21.08 387.1 7.62
101.6 516.8 508 133.8 21.08 512.32 7.62

二.30° 离轴抛物面反射镜

材料:铝、铜

Diameter (mm) Focal (mm) Parent focal length (mm) Y-Offset (mm) A (mm) B (mm) C (mm) Coating
25.4 27.2 25.4 13.6 13.2 31.75 6.35 Protected Gold
Protected Silver
Protected Aluminum
UV-Enhanced Aluminum
Dielectric Film
25.4 54.4 50.8 27.2 13.2 56.13 6.35
25.4 272.2 254 136.1 13.2 254.36 6.35
50.8 54.4 50.8 27.2 20.06 57.15 6.35
50.8 81.7 76.2 40.8 20.06 81.79 6.35
50.8 108.9 101.6 54.4 20.06 103.52 6.35
50.8 136.1 127 68.1 20.06 129.19 6.25
50.8 272.2 254 136.1 20.06 249.36 6.25
76.2 81.7 76.2 40.8 27.94 81.76 7.62
76.2 163.3 152.4 81.7 27.94 156.97 7.62
76.2 272.2 254 136.1 27.94 252.22 7.62
76.2 326.7 304.8 163.3 27.94 289.47 7.62
101.6 326.7 304.8 163.3 34.8 302 7.62

三.45°离轴抛物面反射镜

材料:铝、铜

Diameter (mm) Focal (mm) Parent focal length (mm) Y-Offset (mm) A (mm) B (mm) C (mm) Coating
25.4 119 101.6 84.2 16.76 95.5 6.35 Protected Gold
Protected Silver
Protected Aluminum
UV-Enhanced Aluminum
Dielectric Film
25.4 148.8 127 105.2 16.76 116.59 6.35
50.8 44.6 38.1 31.6 27.43 44.2 6.35
50.8 59.5 50.8 42.1 27.43 55.88 6.35
50.8 89.3 76.2 63.1 27.43 77.98 6.35
50.8 119 101.6 84.2 27.43 99.57 6.35
76.2 89.3 76.2 63.1 39.12 81.79 7.62
76.2 119 101.6 84.2 39.12 103.89 7.62
76.2 148.8 127 105.2 39.12 125.73 7.62
76.2 178.5 152.4 126.3 39.12 147.32 7.62
101.6 119 101.6 84.2 49.78 106.43 7.62
101.6 178.5 152.4 126.3 49.78 150.62 7.62

四.60° 离轴抛物面反射镜

材料:铝、铜

Diameter (mm) Focal (mm) Parent focal length (mm) Y-Offset (mm) A (mm) B (mm) C (mm) Coating
25.4 33.9 25.4 29.3 21.08 28.96 6.35 Protected Gold
Protected Silver
Protected Aluminum
UV-Enhanced Aluminum
Dielectric Film
25.4 50.8 38.1 44.6 21.08 38.1 6.35
25.4 67.7 50.8 58 21.08 47.74 6.35
50.8 67.7 50.8 58.6 35.56 51.82 6.35
50.8 101.6 76.2 88 35.56 69.6 6.35
50.8 135.5 101.6 117.3 35.56 87.12 6.35
76.2 101.6 76.2 88 51.56 75.69 7.62
76.2 152.4 114.3 132 51.56 102.62 7.62

五.90° 离轴抛物面反射镜

材料:铝、铜

Diameter (mm) Parent Focal Length (mm) EFL (mm) Y-Offset (mm) A (mm) B (mm) C (mm) Coating
12.7 12.7 6.4 12.7 19.05 11.11 6.35 Protected Gold
Protected Silver
Protected Aluminum
UV-Enhanced Aluminum
Dielectric Film
12.7 25.4 12.7 25.4 19.05 11.19 6.35
12.7 50.8 25.4 50.8 19.05 12.3 6.35
25.4 25.4 12.7 25.4 31.75 15.75 6.35
25.4 50.8 25.4 50.8 31.75 17.53 6.35
25.4 76.2 38.1 76.2 31.75 18.03 6.35
25.4 101.6 50.8 101.6 31.75 18.29 6.35
25.4 127 63.5 127 31.75 18.29 6.35
25.4 152.4 76.2 152.4 31.75 18.54 6.35
25.4 177.8 88.9 177.8 31.75 18.54 6.35
25.4 203.2 101.6 203.2 31.75 18.54 6.35
50.8 50.8 25.4 50.8 57.15 25.4 6.35
50.8 76.2 38.1 76.2 57.15 27.43 6.35
50.8 101.6 50.8 101.6 57.15 28.45 6.35
50.8 152.4 76.2 152.4 57.15 29.72 6.35
50.8 177.8 88.9 177.8 57.15 29.97 6.35
50.8 190.6 95.3 190.5 57.15 29.97 6.35
76.2 50.8 25.4 50.8 83.82 31.5 7.62
76.2 76.2 38.1 76.2 83.82 36.07 7.62
76.2 101.6 50.8 101.6 83.82 38.61 7.62
76.2 127 63.5 127 83.82 39.88 7.62
76.2 152.4 76.2 152.4 83.82 40.89 7.62
76.2 177.8 88.9 177.8 83.82 41.66 7.62
101.6 101.6 50.8 101.6 109.22 45.72 7.62
101.6 152.4 76.2 152.4 109.22 50.04 7.62