# 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: 0.302 2.325
    coefficients: 0 0.783174579 0.0027316949 0.894315049 0.0169034325 1.138969 111.158589
  - type: tabulated k
    data: |
        0.290 9.0280E-06
        0.300 4.5290E-06
        0.310 2.1995E-06
        0.320 1.1365E-06
        0.330 6.1902E-07
        0.340 3.7679E-07
        0.350 2.4133E-07
        0.360 1.6510E-07
        0.370 1.2019E-07
        0.380 9.2107E-08
        0.390 7.8574E-08
        0.400 6.7557E-08
        0.420 6.0709E-08
        0.440 6.0036E-08
        0.460 5.1610E-08
        0.480 4.6114E-08
        0.500 3.9989E-08
        0.550 3.0745E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 2.7922E-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 1.1505E-07
        2.000 3.2154E-07
        2.200 1.1205E-06
        2.400 3.4439E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -9.18e-07 1.25e-08 -2.28e-11 4.91e-07 6.43e-10 0.189
    nd: 1.651130
    Vd: 55.890872
    glass_code: 651559
    density:
      - value: 3730
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.1e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: -0.003
    resistance:
        climatic: 1.0