# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

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 1.20772937 0.0176389155 0.737418371 0.000666515982 1.35749026 96.9938806
  - type: tabulated k
    data: |
        0.290 7.4283E-06
        0.300 5.0618E-06
        0.310 3.5206E-06
        0.320 2.3978E-06
        0.330 1.6672E-06
        0.340 1.0835E-06
        0.350 6.9202E-07
        0.360 4.5549E-07
        0.370 2.9391E-07
        0.380 1.9355E-07
        0.390 1.3641E-07
        0.400 1.0024E-07
        0.420 7.0935E-08
        0.440 5.6476E-08
        0.460 4.7899E-08
        0.480 3.8389E-08
        0.500 3.1959E-08
        0.550 2.6340E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 2.7922E-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 3.8255E-08
        1.800 2.1649E-07
        2.000 6.1658E-07
        2.200 1.8640E-06
        2.400 8.2273E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.91e-06 1.71e-08 -2.96e-11 5.65e-07 5.05e-10 0.196
    nd: 1.734000
    Vd: 51.485829
    glass_code: 734515
    density:
      - value: 4010
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.1e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: -0.0086
    resistance:
        climatic: 1.0