# 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>
COMMENTS: |
    anneal rate:25°C/h
DATA:
  - type: formula 2
    wavelength_range: 0.302 2.325
    coefficients: 0 1.1044946 0.0062094807 0.36094124 0.0196844329 1.01208343 101.038646
  - type: tabulated k
    data: |
        0.280 8.5043E-06
        0.290 6.0401E-06
        0.300 3.6919E-06
        0.310 2.1283E-06
        0.320 1.1725E-06
        0.330 6.3235E-07
        0.340 3.4280E-07
        0.350 1.8421E-07
        0.360 1.0206E-07
        0.370 6.2490E-08
        0.380 3.9569E-08
        0.390 3.4328E-08
        0.400 2.8778E-08
        0.420 2.6846E-08
        0.440 2.8124E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.800 1.2745E-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 1.5707E-07
        1.600 1.0227E-07
        1.800 2.6018E-07
        2.000 5.5054E-07
        2.200 2.0795E-06
        2.400 4.1665E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2e-06 1.15e-08 4.47e-11 6.34e-07 6.43e-10 0.089
    nd: 1.582410
    Vd: 59.308255
    glass_code: 582593
    density:
      - value: 2960
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.3e-06
      - temperature_range: 293 573
        value: 9.2e-06
    dPgF: -0.0035
    resistance:
        climatic: 2.0