# 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: 0.365 2.325
    coefficients: 0 1.62865121 0.00864219294 1.11837078 109.900598 0.253252293 0.0342503107
  - type: tabulated k
    data: |
        0.340 5.1876E-06
        0.350 2.0793E-06
        0.360 9.2127E-07
        0.370 4.3724E-07
        0.380 2.2596E-07
        0.390 1.3316E-07
        0.400 7.7326E-08
        0.420 4.7122E-08
        0.440 3.1655E-08
        0.460 2.2030E-08
        0.480 1.9146E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-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 5.5844E-08
        1.600 8.9440E-08
        1.800 2.7477E-07
        2.000 6.1658E-07
        2.200 1.6704E-06
        2.400 4.3815E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.12e-06 2.75e-08 -1.05e-10 8.05e-07 -8.24e-10 0.107
    nd: 1.717000
    Vd: 47.888609
    glass_code: 717479
    density:
      - value: 4250
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.4e-06
      - temperature_range: 293 573
        value: 9.1e-06
    dPgF: -0.0035
    resistance:
        climatic: 1.0