# 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 1.27801447 90.6830082 1.19473815 0.0181704833 0.793028102 0.00108737276
  - type: tabulated k
    data: |
        0.320 7.6286E-06
        0.330 3.5375E-06
        0.340 1.7693E-06
        0.350 9.9342E-07
        0.360 6.0367E-07
        0.370 3.7304E-07
        0.380 2.5214E-07
        0.390 1.8544E-07
        0.400 1.4990E-07
        0.420 1.1908E-07
        0.440 1.0304E-07
        0.460 8.5176E-08
        0.480 6.5494E-08
        0.500 4.8035E-08
        0.550 2.6340E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.7922E-08
        0.800 1.9127E-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 2.5490E-08
        1.800 1.1505E-07
        2.000 5.5054E-07
        2.200 1.7476E-06
        2.400 7.6486E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    nd: 1.746930
    Vd: 50.950085
    glass_code: 747510
    density:
      - value: 4080
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: -0.0085
    resistance:
        climatic: 1.0