# 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 1.89206469 0.00927969961 0.383013491 0.035625946 1.32100138 93.6667669
  - type: tabulated k
    data: |
        0.330 5.8204E-06
        0.340 3.1341E-06
        0.350 1.8321E-06
        0.360 1.1260E-06
        0.370 7.0526E-07
        0.380 4.5257E-07
        0.390 3.1666E-07
        0.400 2.2758E-07
        0.420 1.4341E-07
        0.440 1.0665E-07
        0.460 7.0220E-08
        0.480 4.9982E-08
        0.500 2.3945E-08
        0.550 8.7623E-09
        0.600 1.4345E-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 3.3473E-08
        1.600 5.1032E-08
        1.800 1.2950E-07
        2.000 4.6837E-07
        2.200 1.3271E-06
        2.400 5.6991E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.91e-06 1.02e-08 -6.88e-11 7.48e-07 2.17e-10 0.194
    nd: 1.834810
    Vd: 42.711575
    glass_code: 835427
    density:
      - value: 4730
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.8e-06
    dPgF: -0.0081
    resistance:
        climatic: 1.0