# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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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 0.296004558 0.0185989847 0.940420083 0.00513632873 1.0056654 97.555431
  - type: tabulated k
    data: |
        0.300 9.1117E-06
        0.310 3.4496E-06
        0.320 1.2545E-06
        0.330 4.7669E-07
        0.340 1.9635E-07
        0.350 9.3463E-08
        0.360 4.9120E-08
        0.370 3.2567E-08
        0.380 3.3448E-08
        0.390 1.8677E-08
        0.400 1.5955E-08
        0.420 1.6753E-08
        0.440 1.7551E-08
        0.460 1.8349E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 2.5516E-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 3.6234E-07
        1.600 7.6624E-08
        1.800 2.6018E-07
        2.000 6.9952E-07
        2.200 3.3679E-06
        2.400 6.6761E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.53e-06 1.95e-08 -5.32e-11 4.02e-07 6.25e-10 0.12
    nd: 1.504630
    Vd: 64.720718
    glass_code: 505647
    density:
      - value: 2400
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.8e-06
      - temperature_range: 293 573
        value: 7e-06
    dPgF: -0.0025
    resistance:
        climatic: 1.0