# 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: 0.302 2.325
    coefficients: 0 0.513407653 0.00173535467 0.923806373 95.3262202 0.781224837 0.0118350221
  - type: tabulated k
    data: |
        0.300 6.9242E-06
        0.310 3.7352E-06
        0.320 1.9172E-06
        0.330 9.6304E-07
        0.340 4.7496E-07
        0.350 2.5351E-07
        0.360 1.4694E-07
        0.370 9.2720E-08
        0.380 6.1092E-08
        0.390 4.3756E-08
        0.400 3.8428E-08
        0.420 4.0350E-08
        0.440 4.2271E-08
        0.460 4.4192E-08
        0.480 4.2250E-08
        0.500 3.1959E-08
        0.550 1.7542E-08
        0.600 1.9137E-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 4.0095E-07
        1.800 1.6371E-06
        2.000 3.4523E-06
        2.200 7.3809E-06
        2.400 1.0602E-05
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.49e-06 1.52e-08 -7.04e-11 4.13e-07 3.57e-10 0.131
    nd: 1.523680
    Vd: 70.274839
    glass_code: 524703
    density:
      - value: 2650
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.1e-06
      - temperature_range: 293 573
        value: 9.8e-06
    dPgF: 0.0047
    resistance:
        climatic: 2.0