# 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 0.497440659 0.0285446966 1.67780264 0.00788379288 1.32327423 94.0514342
  - type: tabulated k
    data: |
        0.320 5.0067E-06
        0.330 2.8876E-06
        0.340 1.7589E-06
        0.350 1.0824E-06
        0.360 6.7529E-07
        0.370 4.1004E-07
        0.380 2.5872E-07
        0.390 1.7557E-07
        0.400 1.2994E-07
        0.420 8.4619E-08
        0.440 6.3599E-08
        0.460 4.7899E-08
        0.480 3.8389E-08
        0.500 2.7950E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 1.2745E-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 3.8255E-08
        1.800 1.2950E-07
        2.000 4.6837E-07
        2.200 1.3271E-06
        2.400 5.9322E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.43e-06 1.84e-08 1.12e-10 9.58e-07 3.67e-09 0.085
    nd: 1.804000
    Vd: 46.575016
    glass_code: 804466
    density:
      - value: 4520
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.9e-06
    dPgF: -0.009
    resistance:
        climatic: 1.0