# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    <a href="https://refractiveindex.info/download/data/2022/CDGM-ZEMAX202206new.AGF">CDGM Zemax catalog 2022-06</a> (obtained from <a href="http://www.cdgmgd.com/go.htm?k=Download&url=downList">http://www.cdgmgd.com</a>)<br>See also <a href="https://refractiveindex.info/download/data/2022/CDGM202206.pdf">CDGM optical glass data sheets</a>
DATA:
  - type: formula 2
    wavelength_range: 0.313 2.325
    coefficients: 0 1.48007727 0.00852142302 0.874190019 93.1901383 0.1058395 0.0327272904
  - type: tabulated k
    data: |
        0.320 1.1727E-05
        0.330 4.9819E-06
        0.340 2.1010E-06
        0.350 9.1495E-07
        0.360 4.5885E-07
        0.370 2.2955E-07
        0.380 1.2975E-07
        0.390 8.4947E-08
        0.400 5.4578E-08
        0.420 3.3591E-08
        0.440 3.1655E-08
        0.460 2.9402E-08
        0.480 2.6832E-08
        0.500 1.9944E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 1.2745E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.060 1.6887E-08
        1.200 1.9118E-08
        1.400 3.3473E-08
        1.600 5.1032E-08
        1.800 3.1864E-07
        2.000 7.3281E-07
        2.200 2.5390E-06
        2.400 4.9917E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.18e-09 2.08e-08 -7.24e-11 5e-07 -1.17e-10 0.212
    nd: 1.622100
    Vd: 56.709831
    glass_code: 622567
    density:
      - value: 3630
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.5e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0018
    resistance:
        climatic: 1.0