# 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>
COMMENTS: |
    anneal rate:25°C/h
DATA:
  - type: formula 2
    wavelength_range: 0.365 2.325
    coefficients: 0 1.71754157 0.0081252668 0.614249641 0.0323072933 1.49329677 115.416839
  - type: tabulated k
    data: |
        0.340 7.1950E-06
        0.350 2.8455E-06
        0.360 1.3236E-06
        0.370 6.9405E-07
        0.380 4.2808E-07
        0.390 2.9611E-07
        0.400 2.2075E-07
        0.420 1.5389E-07
        0.440 1.2475E-07
        0.460 1.0396E-07
        0.480 8.4972E-08
        0.500 6.8222E-08
        0.550 4.8411E-08
        0.600 4.7987E-08
        0.650 4.6764E-08
        0.700 3.9130E-08
        0.800 3.8312E-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 4.3036E-08
        2.000 2.7289E-07
        2.200 8.7958E-07
        2.400 3.9069E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.58e-06 1.63e-08 -3.37e-11 8.32e-07 7.24e-10 0.214
    nd: 1.852600
    Vd: 40.534071
    glass_code: 853405
    density:
      - value: 5280
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 7.7e-06
    dPgF: -0.0081
    resistance:
        climatic: 1.0