Material Code: G |
Standard Glass |
Material: B270, optical crown glass |
Specification |
Value |
Units |
Refractive Index |
1.5251 |
ne at 546nm |
1.5230 |
nd at 588nm |
|
Density |
2.55 |
g/cm3 |
Modulus of elasticity |
E=71.5 |
103 N/mm2 |
Coefficient of Thermal Expansion |
95 x 10-7/K |
temperature range = 20-300oC |
Useable optical range |
334 to 2500 |
nanometers |
Material Code: SOG |
Special Optical Glass |
Material: K5 |
Specification |
Value |
Units |
Refractive Index |
1.52458 |
ne at 546nm |
1.52249 |
nd at 588nm |
|
Density |
2.59 |
g/cm3 |
Modulus of elasticity |
E=71.0 |
103 N/mm2 |
Coefficient of Thermal Expansion |
96 x 10-7/K |
temperature range = 20-300oC |
Useable optical range |
320 to 2500 |
nanometers |
Material Code: PX |
Pyrex® |
Material: Borosilicate |
Specification |
Value |
Units |
Refractive Index |
1.473 |
nd at 587.6nm |
Density |
2.23 |
g/cm3 |
Modulus of elasticity |
E=64 |
103 N/mm2 |
Coefficient of Thermal Expansion |
33 x 10-7/K |
temperature range = 20-300oC |
Useable optical range |
320 to 2500 |
nanometers |
Material Code: Q |
Spectrosil® |
Material: Far UV Quartz |
Specification |
Value |
Units |
Refractive Index |
1.551 |
200nm |
1.506 |
254nm |
|
1.488 |
300nm |
|
1.470 |
400nm |
|
1.458 |
600nm |
|
1.450 |
1000nm |
|
Density |
2.2 |
g/cm3 |
Modulus of elasticity |
73x106 |
Kpa |
Coefficient of Thermal Expansion |
5.3 x 10-7/K |
temperature range = 0-1000oC |
Useable optical range |
170 to 2700 |
nanometers |
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