|
Optical Design Information
Angle Conversion Table
Co-efficients of Expansion & Densities for Optical Materials
Conversion Table
Angle Conversion Table
| Angles |
|
Degrees |
Minutes |
Seconds |
Radians |
Miliradians |
| Degrees |
1.000000 |
1.000000 |
60.000000 |
3600.000000 |
0.17453292520 |
17.453293 |
| Minutes |
60.000000 |
1.000000 |
60.000000 |
3600.000000 |
0.17453292520 |
17.453293 |
| Seconds |
3600.000000 |
1.000000 |
60.000000 |
3600.000000 |
0.17453292520 |
17.453293 |
| Radians |
1.000000 |
57.295780 |
3437.746771 |
206264.806247 |
1.000000000000 |
1000.000000 |
| Miliradians |
1.000000 |
0.057296 |
3.4377467708 |
206.2648062471 |
0.001000000000 |
1.000000 |
Co-efficients
of Expansion & Densities for Optical Materials
Material
|
Co-efficient of Expansion
(10-6 per °C)
|
Density
(lbs. / cubic Inch)
|
| Aluminum |
23.8
|
0.10
|
| Brass |
18.8
|
0.30
|
| Diamond |
1.2
|
0.25
|
| Graphite |
7.9
|
N/A
|
| Copper |
16.2
|
0.32
|
| Germanium |
5.9
|
0.20
|
| Gold |
14.0
|
0.70
|
| Cast Iron |
10.0
|
0.27
|
| Steel |
13.2
|
0.28
|
| Lead |
28.0
|
0.41
|
| Magnesium |
27.0
|
0.06
|
| Nickel |
12.6
|
0.32
|
| Optical Plastic |
65.0
|
0.04
|
| Platinum |
9.0
|
0.77
|
| Pyrex |
3.5
|
0.10
|
| Fused Quartz |
0.6
|
0.08
|
| Silicon |
2.33
|
0.08
|
| Stainless Steel |
12.0
|
0.30
|
| Zinc Sulfide |
7.9
|
0.15
|
| Zinc Selenide |
7.6
|
0.20
|
Conversion Table
| Start |
mm |
Microns |
Nanometers |
Angstroms |
w @ 0.63µm |
| 1 Micron |
0.001000 |
1.000000 |
1000.000000 |
10000.000000 |
1.580279 |
| 1 Nanometer |
0.000001 |
0.001000 |
1.000000 |
10.000000 |
0.001580 |
| 1 Angstrom |
0.000000 |
0.000100 |
0.100000 |
1.000000 |
0.000158 |
| 1 Microinch |
0.000025 |
0.030000 |
25.400000 |
254.000000 |
0.040139 |
| 1 wave @ 0.63µm |
0.000633 |
0.630000 |
632.800000 |
6328.000000 |
1.000000 |
| 1 wave @ 106µm |
0.010600 |
10.600000 |
10600.000000 |
106000.000000 |
16.750948 |
| 1 Millimeter |
1.000000 |
1000.000000 |
1000000.000 |
100000000.000000 |
1580.278129 |
| 1 Inch |
25.400000 |
25400.000000 |
25400000.000 |
254000000.000000 |
40139.064475 |
| Start |
fr. @ 10.6µm |
W @ 10.6µm |
Microinches |
Inches |
| 1 Micron |
3.160556 |
0.09434 |
39.70079 |
0.000039 |
| 1 Nanometer |
0.003161 |
0.00009 |
0.039370 |
0.000000 |
| 1 Angstrom |
0.000316 |
0.00001 |
0.003937 |
0.000000 |
| 1 Microinch |
0.082078 |
0.00240 |
1.000000 |
0.000001 |
| 1 wave @ 0.63µm |
2.000000 |
0.05970 |
24.913386 |
0.000025 |
| 1 wave @ 10.6µm |
33.501896 |
1.00000 |
417.322834 |
0.000417 |
| 1 Millimeter |
3160.556258 |
94.33962 |
39370.079 |
0.039370 |
| 1 Inch |
80278.128951 |
2396.22642 |
1000000.000 |
1.000000 |
| 
