# 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: 0.365 2.325
    coefficients: 0 1.85620526 0.0109606128 1.38494652 114.47738 0.223526441 0.0505771615
  - type: tabulated k
    data: |
        0.350 8.3437E-06
        0.360 3.3003E-06
        0.370 1.5090E-06
        0.380 7.7468E-07
        0.390 4.5368E-07
        0.400 2.8624E-07
        0.420 1.4690E-07
        0.440 9.5838E-08
        0.460 6.2765E-08
        0.480 4.6114E-08
        0.500 3.5972E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.0732E-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 3.3473E-08
        1.600 6.3822E-08
        1.800 2.0195E-07
        2.000 4.8477E-07
        2.200 1.2705E-06
        2.400 3.9774E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.02e-06 1.7e-08 -1.39e-10 6.63e-07 4.31e-10 0.279
    nd: 1.781790
    Vd: 37.092107
    glass_code: 782371
    density:
      - value: 3770
    thermal_expansion:
      - temperature_range: 243 343
        value: 8e-06
      - temperature_range: 293 573
        value: 9.5e-06
    dPgF: -0.0009
    resistance:
        climatic: 1.0