# 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 1.58833884 0.00689365045 0.851761035 0.0288290435 1.58277416 125.035659
  - type: tabulated k
    data: |
        0.330 5.6570E-06
        0.340 3.5127E-06
        0.350 2.2364E-06
        0.360 1.4491E-06
        0.370 9.4686E-07
        0.380 6.3348E-07
        0.390 4.4650E-07
        0.400 3.2831E-07
        0.420 2.1749E-07
        0.440 1.6856E-07
        0.460 1.1527E-07
        0.480 8.1068E-08
        0.500 5.6098E-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 2.5490E-08
        1.800 7.1799E-08
        2.000 2.5671E-07
        2.200 7.1467E-07
        2.400 2.7257E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.22e-07 1.34e-08 -3.94e-11 8.98e-07 8.81e-10 0.175
    nd: 1.883000
    Vd: 40.847465
    glass_code: 883409
    density:
      - value: 5340
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
      - temperature_range: 293 573
        value: 8.7e-06
    dPgF: -0.0084
    resistance:
        climatic: 1.0