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