# 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 0.805862971 0.00365339732 0.74036711 0.0162978769 0.904054991 95.9876087
  - type: tabulated k
    data: |
        0.300 8.3713E-06
        0.310 5.4451E-06
        0.320 3.2416E-06
        0.330 1.8733E-06
        0.340 1.0435E-06
        0.350 5.8690E-07
        0.360 3.3063E-07
        0.370 1.8532E-07
        0.380 1.1401E-07
        0.390 7.8574E-08
        0.400 5.1341E-08
        0.420 3.6968E-08
        0.440 3.1655E-08
        0.460 2.9402E-08
        0.480 2.6832E-08
        0.500 2.3945E-08
        0.550 1.7542E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.7922E-08
        0.800 2.5516E-08
        0.850 4.7515E-08
        0.900 3.5900E-08
        0.950 3.7894E-08
        1.000 2.3909E-08
        1.060 1.6887E-08
        1.200 1.9118E-08
        1.400 2.2304E-08
        1.600 5.1032E-08
        1.800 2.3104E-07
        2.000 5.3407E-07
        2.200 1.7282E-06
        2.400 3.6047E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.94e-07 1.7e-08 -7.12e-11 3.52e-07 4e-11 0.267
    nd: 1.608810
    Vd: 58.855991
    glass_code: 609589
    density:
      - value: 3530
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 7.9e-06
    dPgF: -0.001
    resistance:
        climatic: 2.0