# 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: 0.4047 2.325
    coefficients: 0 2.04275349 0.0169742976 1.98276153 109.068151 0.504267829 0.075171071
  - type: tabulated k
    data: |
        0.390 1.1449E-05
        0.400 4.5962E-06
        0.420 1.1921E-06
        0.440 6.7357E-07
        0.460 4.4307E-07
        0.480 3.1434E-07
        0.500 2.2088E-07
        0.550 9.2891E-08
        0.600 5.2812E-08
        0.650 4.6764E-08
        0.700 3.9130E-08
        0.800 3.1911E-08
        0.850 3.3905E-08
        0.900 2.8705E-08
        0.950 2.2714E-08
        1.000 1.5931E-08
        1.060 1.6887E-08
        1.200 1.9118E-08
        1.400 2.2304E-08
        1.600 5.1032E-08
        1.800 1.1505E-07
        2.000 2.0826E-07
        2.200 6.0559E-07
        2.400 1.0602E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.58e-06 1.75e-08 -4.67e-11 1.18e-06 1.91e-09 0.33
    nd: 1.945950
    Vd: 17.941964
    glass_code: 946179
    glass_status: standard
    density:
      - value: 3520
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.3e-06
    dPgF: 0.0401
    resistance:
        climatic: 1.0