# 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: 0.365 2.325
    coefficients: 0 0.507090015 0.0349987602 1.9243026 0.00942878144 1.4988641 116.086666
  - type: tabulated k
    data: |
        0.320 8.5368E-06
        0.330 4.6688E-06
        0.340 2.5826E-06
        0.350 1.5510E-06
        0.360 9.6908E-07
        0.370 6.1318E-07
        0.380 4.0034E-07
        0.390 2.7908E-07
        0.400 2.0713E-07
        0.420 1.2948E-07
        0.440 9.5838E-08
        0.460 7.7690E-08
        0.480 5.7730E-08
        0.500 3.9989E-08
        0.550 2.1939E-08
        0.600 1.9137E-08
        0.650 1.5541E-08
        0.700 1.1152E-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 2.2304E-08
        1.600 3.8255E-08
        1.800 1.0062E-07
        2.000 3.2154E-07
        2.200 8.2443E-07
        2.400 3.2166E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.2e-06 1.22e-08 -2.53e-11 8.04e-07 7.88e-10 0.213
    nd: 1.881000
    Vd: 40.161331
    glass_code: 881402
    density:
      - value: 5200
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.6e-06
    dPgF: -0.008
    resistance:
        climatic: 1.0