# 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 1.6056299 0.0103174707 1.32554029 108.474162 0.265358825 0.0488739276
  - type: tabulated k
    data: |
        0.330 9.1223E-06
        0.340 5.1329E-06
        0.350 2.3963E-06
        0.360 1.3419E-06
        0.370 8.1969E-07
        0.380 5.2723E-07
        0.390 3.6167E-07
        0.400 2.5850E-07
        0.420 1.5389E-07
        0.440 1.1750E-07
        0.460 9.2677E-08
        0.480 6.9381E-08
        0.500 6.0135E-08
        0.550 2.1939E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-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 1.1197E-07
        1.600 1.2796E-07
        1.800 2.8938E-07
        2.000 6.1658E-07
        2.200 2.1586E-06
        2.400 4.9174E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.81e-07 1.7e-08 -3.95e-11 7.69e-07 5.75e-10 0.256
    nd: 1.720460
    Vd: 34.757746
    glass_code: 720348
    glass_status: preferred
    density:
      - value: 3510
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.1e-06
      - temperature_range: 293 573
        value: 8.8e-06
    dPgF: -0.0014
    resistance:
        climatic: 1.0