# 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: 0.365 2.325
    coefficients: 0 1.73920103 0.00974400845 1.16162575 111.118099 0.279488106 0.0423325277
  - type: tabulated k
    data: |
        0.350 4.1177E-06
        0.360 1.6662E-06
        0.370 7.6192E-07
        0.380 4.0034E-07
        0.390 2.3191E-07
        0.400 1.4990E-07
        0.420 8.4619E-08
        0.440 6.3599E-08
        0.460 4.4192E-08
        0.480 3.8389E-08
        0.500 3.1959E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.5928E-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 4.4653E-08
        1.600 7.6624E-08
        1.800 2.7477E-07
        2.000 6.1658E-07
        2.200 1.5360E-06
        2.400 3.9069E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.76e-06 1.53e-08 -4.05e-11 7.53e-07 5.1e-10 0.241
    nd: 1.762000
    Vd: 40.105472
    glass_code: 762401
    density:
      - value: 4300
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.2e-06
      - temperature_range: 293 573
        value: 9.5e-06
    dPgF: -0.0027
    resistance:
        climatic: 1.0