# 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 1.18828507 128.446962 1.43848614 0.0101637552 0.140002385 0.0524582573
  - type: tabulated k
    data: |
        0.350 1.0760E-05
        0.360 3.4876E-06
        0.370 1.1968E-06
        0.380 4.8434E-07
        0.390 2.4531E-07
        0.400 1.3658E-07
        0.420 7.4350E-08
        0.440 6.0036E-08
        0.460 4.7899E-08
        0.480 4.2250E-08
        0.500 4.4010E-08
        0.550 3.5155E-08
        0.600 3.8351E-08
        0.650 4.1547E-08
        0.700 2.7922E-08
        0.800 3.1911E-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 7.8260E-08
        1.600 1.1511E-07
        1.800 4.3630E-07
        2.000 8.4990E-07
        2.200 2.1190E-06
        2.400 3.1489E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.9e-06 1.29e-08 -7.27e-11 8.04e-07 1.1e-09 0.238
    nd: 1.626040
    Vd: 39.071631
    glass_code: 626391
    density:
      - value: 2960
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.6e-06
      - temperature_range: 293 573
        value: 1.13e-05
    dPgF: 0.0019
    resistance:
        climatic: 1.0