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100 Fisk Hill Road,
Sturbridge, MA 01566
Phone: (774)
230-1939
Email:JBVOPTICAL2@msn.com
JBV's High Quality Custom Mirrors
Custom First-Surface Mirrors
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SPECIFICATIONS:
| Description: | Specification: |
Material: | Glass, Quartz, or Exotic. |
Tolerances: | 0.1mm |
Surface quality: | 10-5 Scratch-Dig |
Pitch polish: | <15 RMS |
Sphericity: | < l/20 |
Surface accuracy: | < l/20 |
Centration: | 1 arc minute |
Coating: | A variety of single wavelength, dichroic
and broad band mirror coatings are available from the UV (150nm)
through the far infrared. |
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Custom First-Surface Concave Spherical Mirrors
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SPECIFICATIONS:
| Description: | Specification: |
Material: | Glass, Quartz, or Exotic. |
Tolerances: | 0.1mm |
Surface quality: | 10-5 Scratch-Dig |
Pitch polish: | <15 RMS |
Sphericity: | < l/20 |
Surface accuracy: | < l/20 |
Centration: | 1 arc minute |
Coating: | A variety of single wavelength, dichroic
and broad band mirror coatings are available from the UV (150nm)
through the far infrared. |
|
|
[Return to Optics Menu]
[Return to Top of Page]
Custom Mirror Coatings
Percent reflectance at normal incidence: Freshly Evaporated
Mirror Coatings
WAVE-
LENGTH
(microns) |
ALUMINUM |
SILVER |
GOLD |
COPPER |
RHODIUM |
PLATINUM |
| 0.220 |
91.5% |
28.0% |
27.5% |
40.4% |
57.8% |
40.5% |
| 0.240 |
91.9% |
29.5% |
31.6% |
39.0% |
63.2% |
46.9% |
| 0.260 |
92.2 |
29.5 |
35.6 |
35.5 |
67.7 |
51.5 |
| 0.280 |
92.3 |
25.2 |
37.8 |
33.0 |
70.7 |
54.9 |
| 0.300 |
92.3 |
17.6 |
37.7 |
33.6 |
73.4 |
57.6 |
| 0.315 |
92.4 |
5.5 |
37.3 |
35.5 |
75.0 |
59.4 |
| 0.320 |
92.4 |
8.9 |
37.1 |
36.3 |
75.5 |
60.0 |
| 0.340 |
92.5 |
72.9 |
36.1 |
38.5 |
76.9 |
62.0 |
| 0.360 |
92.5 |
88.2 |
36.3 |
41.5 |
78.0 |
63.4 |
| 0.380 |
92.5 |
92.78 |
37.8 |
44.5 |
78.1 |
64.9
|
| 0.400 |
92.4 |
94.8 |
38.7 |
47.5 |
77.4 |
66.3 |
| 0.450 |
92.2 |
96.6 |
38.7 |
55.2 |
76.0 |
69.1 |
| 0.500 |
91.8 |
97.7 |
47.7 |
60.0 |
76.6 |
71.4 |
| 0.550 |
91.5 |
97.9 |
81.7 |
66.9 |
78.2 |
73.4 |
| 0.600 |
91.9 |
98.1 |
91.9 |
93.3 |
79.7 |
75.2 |
| 0.650 |
90.3 |
98.3 |
95.5 |
96.6 |
81.1 |
76.4 |
| 0.700 |
89.9 |
98.5 |
97.0 |
97.5 |
82.0 |
77.2 |
| 0.750 |
88.0 |
98.6 |
97.4 |
97.9 |
82.6 |
77.9 |
| 0.800 |
86.3 |
98.6 |
97.7 |
98.1 |
83.1 |
78.5 |
| 0.850 |
86.0 |
98.7 |
97.8 |
98.3 |
83.4 |
79.5 |
| 0.900 |
89.0 |
98.7 |
98.0 |
98.4 |
83.6 |
80.5 |
| 0.950 |
91.8 |
98.8 |
98.1 |
98.4 |
83.9 |
80.6 |
| 1.000 |
94.0 |
98.9 |
98.2 |
98.5 |
84.2 |
80.7 |
| 1.500 |
96.8 |
98.9 |
98.2 |
98.5 |
87.7 |
81.8 |
| 2.000 |
97.2 |
98.9 |
98.3 |
98.6 |
91.4 |
81.8 |
| 3.000 |
98.0 |
98.9 |
98.4 |
98.6 |
95.0 |
90.6 |
| 4.000 |
98.2 |
98.9 |
98.5 |
98.7 |
95.8 |
93.7 |
| 5.000 |
98.4 |
98.9 |
98.6 |
98.7 |
96.4 |
94.9 |
| 6.000 |
98.5 |
98.9 |
98.6 |
98.7 |
96.8 |
95.6 |
| 7.000 |
98.6 |
98.9 |
98.7 |
98.7 |
97.0 |
95.9 |
| 8.000 |
98.7 |
98.9 |
98.8 |
98.8 |
97.2 |
96.0 |
| 9.000 |
98.7 |
98.98 |
98.9 |
98.8 |
97.4 |
96.1 |
| 10.000 |
98.7 |
98.9 |
98.9 |
98.9 |
97.6 |
96.2 |
| 15.000 |
98.9 |
99.0 |
99.0 |
99.0 |
98.1 |
96.7 |
| 20.000 |
99.0 |
99.2 |
99.0 |
99.2 |
98.3 |
97.0 |
| 30.000 |
99.2 |
- |
99.0 |
- |
- |
- |
| 40.000 |
- |
- |
99.1 |
- |
- |
- |
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