# 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: 0.302 2.325
    coefficients: 0 0.648528792 0.000165816179 1.28450424 0.0158113883 1.23774593 85.7406109
  - type: tabulated k
    data: |
        0.280 5.9253E-06
        0.290 4.3781E-06
        0.300 3.5086E-06
        0.310 2.7350E-06
        0.320 1.9226E-06
        0.330 1.2981E-06
        0.340 8.1468E-07
        0.350 5.1897E-07
        0.360 3.0184E-07
        0.370 2.0419E-07
        0.380 1.0460E-07
        0.390 9.7732E-08
        0.400 7.4066E-08
        0.420 5.3908E-08
        0.440 4.2271E-08
        0.460 3.3094E-08
        0.480 2.2987E-08
        0.500 2.3945E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 1.5541E-08
        0.700 1.6736E-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 5.1032E-08
        1.800 2.1649E-07
        2.000 6.1658E-07
        2.200 1.8835E-06
        2.400 6.8120E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.32e-07 1.75e-08 -2.89e-11 5e-07 3.79e-10 0.163
    nd: 1.729160
    Vd: 54.684737
    glass_code: 729547
    glass_status: standard
    density:
      - value: 4019
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.6e-06
      - temperature_range: 293 573
        value: 7.2e-06
    dPgF: -0.0078
    resistance:
        climatic: 1.0