Optical constants of VITRON - IG
IG 6
Wavelength:
µm
(1–14.0)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=3.110014+\frac{3.669697λ^2}{λ^2-0.426372^2}+\frac{2.358954λ^2}{λ^2-59.555103^2}$$Comments
Room temperature. Refractive index is relative to air at standard conditions; Wavelength in dispersion formula is as measured in air and expressed in micrometers.
References
1) VITRON datasheet IG-6 June 2014
2) Dr. Rolf Henkel (VITRON Spezialwerkstoffe GmbH) - private communications
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