# 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 0.276154598 0.0557996382 2.02569085 0.0120700588 1.44513509 99.8778223
  - type: tabulated k
    data: |
        0.360 6.3234E-06
        0.370 2.7499E-06
        0.380 1.4898E-06
        0.390 9.4709E-07
        0.400 6.6290E-07
        0.420 3.7824E-07
        0.440 2.6541E-07
        0.460 1.9162E-07
        0.480 1.4798E-07
        0.500 1.1300E-07
        0.550 6.1708E-08
        0.600 5.2812E-08
        0.650 5.7213E-08
        0.700 5.0361E-08
        0.800 5.1134E-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 6.3822E-08
        1.800 1.8743E-07
        2.000 5.3407E-07
        2.200 1.6511E-06
        2.400 5.5965E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.79e-06 1.48e-08 -2.75e-11 8e-07 8.15e-10 0.275
    nd: 1.850260
    Vd: 32.297288
    glass_code: 850323
    density:
      - value: 4220
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.6e-06
      - temperature_range: 293 573
        value: 9.2e-06
    dPgF: 0.0024
    resistance:
        climatic: 1.0