# 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 1.09089534 0.00492618902 0.628435989 0.0203181412 1.01438282 100.530943
  - type: tabulated k
    data: |
        0.290 1.0628E-05
        0.300 4.6937E-06
        0.310 2.5203E-06
        0.320 1.4765E-06
        0.330 9.3665E-07
        0.340 5.8689E-07
        0.350 3.6873E-07
        0.360 2.4199E-07
        0.370 1.5103E-07
        0.380 1.0460E-07
        0.390 7.8574E-08
        0.400 6.4307E-08
        0.420 5.7307E-08
        0.440 5.6476E-08
        0.460 4.7899E-08
        0.480 3.8389E-08
        0.500 2.7950E-08
        0.550 3.0745E-08
        0.600 3.3540E-08
        0.650 3.1129E-08
        0.700 1.6736E-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 2.2304E-08
        1.600 2.5490E-08
        1.800 1.4396E-07
        2.000 4.3563E-07
        2.200 1.4028E-06
        2.400 4.7453E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.34e-06 2.38e-08 -5.5e-11 4.75e-07 6.18e-11 0.228
    nd: 1.664610
    Vd: 54.612239
    glass_code: 665546
    density:
      - value: 4019
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 8.8e-06
    dPgF: -0.0025
    resistance:
        climatic: 3.0