# 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: 0.302 2.325
    coefficients: 0 0.920219055 109.361864 0.531425413 0.0198985689 1.01909144 0.00525819605
  - type: tabulated k
    data: |
        0.290 8.0922E-06
        0.300 5.2695E-06
        0.310 3.1403E-06
        0.320 1.7651E-06
        0.330 9.7443E-07
        0.340 5.1394E-07
        0.350 2.7187E-07
        0.360 1.5601E-07
        0.370 8.6649E-08
        0.380 5.8008E-08
        0.390 4.3756E-08
        0.400 3.5208E-08
        0.420 3.0216E-08
        0.440 3.1655E-08
        0.460 2.9402E-08
        0.480 2.6832E-08
        0.500 2.3945E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.2326E-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 2.2304E-08
        1.600 3.8255E-08
        1.800 3.1864E-07
        2.000 7.6618E-07
        2.200 2.0993E-06
        2.400 3.7901E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.46e-06 1.21e-08 1.31e-11 5.78e-07 6.03e-10 0.17
    nd: 1.611170
    Vd: 55.772437
    glass_code: 611558
    density:
      - value: 3580
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.6e-06
      - temperature_range: 293 573
        value: 9.9e-06
    dPgF: -0.001
    resistance:
        climatic: 1.0