# 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:4°C/h
DATA:
  - type: formula 2
    wavelength_range: 0.313 2.325
    coefficients: 0 1.13754975 87.6010757 0.27377557 0.0348809856 1.89653755 0.00982589937
  - type: tabulated k
    data: |
        0.330 5.5679E-06
        0.340 2.2835E-06
        0.350 1.0742E-06
        0.360 5.6154E-07
        0.370 3.2005E-07
        0.380 2.0324E-07
        0.390 1.3965E-07
        0.400 1.0681E-07
        0.420 8.1192E-08
        0.440 6.3599E-08
        0.460 4.7899E-08
        0.480 3.8389E-08
        0.500 3.1959E-08
        0.550 3.0745E-08
        0.600 2.8734E-08
        0.650 3.6335E-08
        0.700 3.3523E-08
        0.800 3.1911E-08
        0.850 2.0323E-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 1.2950E-07
        2.000 4.8477E-07
        2.200 1.3082E-06
        2.400 5.5965E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.59e-06 1.77e-08 -4.18e-11 8.47e-07 3.91e-10 0.15
    nd: 1.803370
    Vd: 45.491557
    glass_code: 803455
    density:
      - value: 4890
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0089
    resistance:
        climatic: 1.0