# 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 1.19880199 118.703083 0.146782039 0.0586919967 1.46655148 0.0111709187
  - type: tabulated k
    data: |
        0.360 9.2214E-06
        0.370 3.0911E-06
        0.380 1.1221E-06
        0.390 4.9709E-07
        0.400 2.4816E-07
        0.420 9.4918E-08
        0.440 6.0036E-08
        0.460 4.7899E-08
        0.480 3.8389E-08
        0.500 3.1959E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.5928E-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 3.8255E-08
        1.800 3.6265E-07
        2.000 8.1636E-07
        2.200 2.1586E-06
        2.400 3.0814E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.03e-06 1.5e-08 -4.64e-11 7.77e-07 8.08e-10 0.275
    nd: 1.639800
    Vd: 34.464570
    glass_code: 640345
    density:
      - value: 2760
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.4e-06
      - temperature_range: 293 573
        value: 1.02e-05
    dPgF: 0.0054
    resistance:
        climatic: 1.0