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Optical constants of LightPath - Infrared glass (BD)
BDNL4

Wavelength: µm
 (1–15.5)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Conditions

temperature: 293

Comments

20 °C.

References

BLACK DIAMOND BDNL4 Glass Datasheet (revision 2024-04-04)

Data

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

Additional information

Properties of BDNL4

density:
  - 
    value: 4500
thermal_expansion:
  - 
    value: 2.52E-5
thermal_dispersion:
  - 
    type: dn/dT
    temperature: 295
    wavelength_range: 8 12
    value: -1.63E-5
  - 
    type: dn/dT
    temperature: 295
    wavelength_range: 3 5
    value: -1.43E-5
  - 
    type: dn/dT
    temperature: 295
    wavelength_range: 1 2
    value: -9.7E-6
transformation_temperature:
  - 
    value: 478
thermal_conductivity:
  - 
    value: 0.17
hardness:
  - 
    type: Vickers
    value: 1480000000
youngs_modulus:
  - 
    value: 14200000000