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Refractive index database

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Optical constants of LightPath - BD
BD-2

Wavelength: µm
 (3 – 14)  
 

Derived optical constants

n   k   logX   logY   eV

Comments

All values represent glass characteristics after molding

References

BD-2 Glass Datasheet (revision 2013-05)

Data

[CSV - comma separated]   [TXT - tab separated]   [Full database record]

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
As40S60 AMTIR-6
(*) Out of production

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Glass

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