# 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: 0.4047 2.325
    coefficients: 0 1.64768548 0.0118179362 0.314478021 0.0585408205 2.03864924 173.964477
  - type: tabulated k
    data: |
        0.370 4.8898E-06
        0.380 1.6787E-06
        0.390 7.2764E-07
        0.400 3.9607E-07
        0.420 1.7848E-07
        0.440 1.1750E-07
        0.460 8.8925E-08
        0.480 7.3273E-08
        0.500 6.0135E-08
        0.550 3.0745E-08
        0.600 3.3540E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 1.9127E-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 6.7046E-08
        1.600 1.1511E-07
        1.800 3.6265E-07
        2.000 6.4970E-07
        2.200 1.5743E-06
        2.400 2.7037E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.64e-06 1.36e-08 -1.23e-11 1.01e-06 1.13e-09 0.277
    nd: 1.755200
    Vd: 27.530047
    glass_code: 755275
    glass_status: standard
    density:
      - value: 3240
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.7e-06
      - temperature_range: 293 573
        value: 1.04e-05
    dPgF: 0.0111
    resistance:
        climatic: 1.0