# 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 1.05607188 114.460233 1.45456542 0.00840268049 0.129035718 0.036305429
  - type: tabulated k
    data: |
        0.340 3.8500E-06
        0.350 1.4461E-06
        0.360 6.0367E-07
        0.370 2.7769E-07
        0.380 1.4875E-07
        0.390 8.4947E-08
        0.400 6.1061E-08
        0.420 4.0350E-08
        0.440 3.5190E-08
        0.460 3.3094E-08
        0.480 2.6832E-08
        0.500 2.3945E-08
        0.550 2.1939E-08
        0.600 2.8734E-08
        0.650 2.5928E-08
        0.700 2.7922E-08
        0.800 2.5516E-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 1.2323E-07
        1.600 8.9440E-08
        1.800 2.3104E-07
        2.000 4.5199E-07
        2.200 1.5935E-06
        2.400 2.8805E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.71e-06 2.12e-08 -1.14e-10 4.62e-07 6.87e-11 0.246
    nd: 1.622300
    Vd: 53.170869
    glass_code: 622532
    density:
      - value: 3570
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.2e-06
    dPgF: -0.0009