# 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 3
    wavelength_range: 0.4047 1.014
    coefficients: 3.2506862 -0.0133942217 2 0.0483625913 -2 0.00314442751 -4 -0.000197073674 -6 3.47645679e-05 -8
  - type: tabulated k
    data: |
        0.370 8.8205E-06
        0.380 3.3525E-06
        0.390 1.6375E-06
        0.400 9.5845E-07
        0.420 4.5777E-07
        0.440 2.6164E-07
        0.460 1.7622E-07
        0.480 1.3213E-07
        0.500 1.0074E-07
        0.550 4.8411E-08
        0.600 3.3540E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.800 1.2745E-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 2.1649E-07
        2.000 4.8477E-07
        2.200 1.0275E-06
        2.400 2.0973E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -6.9e-06 1.71e-08 -4.57e-11 1.16e-06 8.99e-10 0.285
    nd: 1.846670
    Vd: 23.791236
    glass_code: 847238
    glass_status: preferred
    density:
      - value: 3520
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.4e-06
      - temperature_range: 293 573
        value: 1.04e-05
    dPgF: 0.0151
    resistance:
        climatic: 1.0