# 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: 0.313 2.325
    coefficients: 0 0.957266324 100.408853 1.44528215 0.008043802 0.143179062 0.030435308
  - type: tabulated k
    data: |
        0.320 7.7861E-06
        0.330 3.1793E-06
        0.340 1.3285E-06
        0.350 5.9724E-07
        0.360 2.8596E-07
        0.370 1.5103E-07
        0.380 8.5878E-08
        0.390 6.2700E-08
        0.400 3.8428E-08
        0.420 3.3591E-08
        0.440 3.1655E-08
        0.460 2.2030E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-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 1.3450E-07
        1.600 1.0227E-07
        1.800 2.6018E-07
        2.000 5.8353E-07
        2.200 2.0402E-06
        2.400 4.2856E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -7.67e-07 1.58e-08 -1.87e-11 4.79e-07 2.46e-10 0.2
    nd: 1.622800
    Vd: 56.913492
    glass_code: 623569
    density:
      - value: 3630
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.5e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0011
    resistance:
        climatic: 2.0