# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

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 0.322804345 0.055262706 2.16371144 0.0124574436 1.59867722 108.245897
  - type: tabulated k
    data: |
        0.360 6.5117E-06
        0.370 2.5683E-06
        0.380 1.2428E-06
        0.390 7.1981E-07
        0.400 4.6531E-07
        0.420 2.5696E-07
        0.440 1.7224E-07
        0.460 1.2284E-07
        0.480 8.8880E-08
        0.500 6.8222E-08
        0.550 3.0745E-08
        0.600 3.3540E-08
        0.650 3.1129E-08
        0.700 3.3523E-08
        0.800 2.5516E-08
        0.850 2.0323E-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 1.4396E-07
        2.000 4.3563E-07
        2.200 1.2705E-06
        2.400 4.5020E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.36e-06 1.27e-08 -2.37e-11 9.1e-07 1.21e-09 0.262
    nd: 1.903660
    Vd: 31.418411
    glass_code: 904314
    density:
      - value: 4560
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
      - temperature_range: 293 573
        value: 8.8e-06
    dPgF: 0.0021