Optical constants of LightPath - BD
BD6
Wavelength:
µm
(2–14)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false density: 4.63 g/cm3 Vickers_hardness: 142 kgf/mm2 Youngs_modulus: 19.8 GPa thermal_expansion: - temperature_range: 25 100 °C coefficient: 22.5e-06 K-1 thermal_dispersion: - type: "dn_rel/dT" temperature_range: 0 40 °C wavelength: 10 µm value: 30.5e-6 K-1 transition_temperature: 140 °C
References
BD6 Glass Datasheet (revision 2018-03-02)
Data
INFO
Infrared glass
Often, calcogenide glasses are used in the optical systems operating at infrared wavelengths ~1-14 µm (for instance, optical systems for thermal imaging and night vision)Infrared glass types/brands from different makers
- AMTIR (an acronym for "Amorphous Material Transmitting Infrared Radiation"): Amorphous Materials Inc. (AMI)
- IG: VITRON
- IRG: SCHOTT
- BD: LightPath
- OPTIR: Rochester Precision Optics (RPO)
Cross-reference
Composition | AMI | VITRON | SCHOTT | LightPath | RPO |
---|---|---|---|---|---|
Ge33As12Se55 | AMTIR-1 | IG 2 | IRG 22 | OPTIR-1* | |
Ge30Sb13Se32Te25 | IG 3 | IRG 23* | |||
Ge10As40Se50 | IG 4 | IRG 24 | |||
Ge28Sb12Se60 | AMTIR-3* | IG 5 | IRG 25 | BD-2 | OPTIR-3* |
As40Se60 | AMTIR-2 | IG 6 | IRG 26 | BD6 | |
As40S60 | AMTIR-6 | IRG 27 |
External Links
- Infrared - Wikipedia
- Chalcogenide glass - Wikipedia
- AMTIR amorphous material transmitting IR radiation - Amorphous Materials
- Brief introduction: chalcogenide glasses - VITRON
- Infrared Chalcogenide Glasses - SCHOTT
- Optical resources and technical information - LightPath