# 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 1.51688354 0.00857006565 0.211371553 0.0370160061 1.35763017 144.349229
  - type: tabulated k
    data: |
        0.340 7.6121E-06
        0.350 3.0047E-06
        0.360 1.3236E-06
        0.370 6.5702E-07
        0.380 3.6601E-07
        0.390 2.2522E-07
        0.400 1.5324E-07
        0.420 9.8359E-08
        0.440 8.5059E-08
        0.460 7.3953E-08
        0.480 6.5494E-08
        0.500 6.0135E-08
        0.550 4.8411E-08
        0.600 5.2812E-08
        0.650 5.1986E-08
        0.700 5.5985E-08
        0.800 5.7555E-08
        0.850 2.7111E-08
        0.900 2.1518E-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 5.1032E-08
        1.800 2.6018E-07
        2.000 4.5199E-07
        2.200 1.0460E-06
        2.400 2.3117E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.4e-06 1.49e-08 -3.46e-11 6.98e-07 6.04e-10 0.212
    nd: 1.670030
    Vd: 47.195060
    glass_code: 670472
    density:
      - value: 3570
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
      - temperature_range: 293 573
        value: 8.8e-06
    dPgF: -0.002
    resistance:
        climatic: 1.0