# 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 1.50060292 145.496272 1.57641199 0.0121805144 0.18307627 0.0605139545
  - type: tabulated k
    data: |
        0.360 9.2214E-06
        0.370 3.0081E-06
        0.380 1.1221E-06
        0.390 5.1535E-07
        0.400 2.7928E-07
        0.420 1.2254E-07
        0.440 8.8648E-08
        0.460 7.3953E-08
        0.480 6.1610E-08
        0.500 4.8035E-08
        0.550 3.0745E-08
        0.600 3.3540E-08
        0.650 4.6764E-08
        0.700 3.9130E-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 2.2304E-08
        1.600 2.5490E-08
        1.800 2.4560E-07
        2.000 6.0004E-07
        2.200 1.4028E-06
        2.400 2.3548E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -5.43e-06 1.06e-08 -9.67e-11 9.25e-07 1.66e-09 0.269
    nd: 1.688930
    Vd: 31.160570
    glass_code: 689312
    density:
      - value: 2920
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.1e-06
      - temperature_range: 293 573
        value: 1.19e-05
    dPgF: 0.0074
    resistance:
        climatic: 1.0