# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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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 0.559279457 0.0017275627 0.985286498 97.8673314 0.818059461 0.0135929957
  - type: tabulated k
    data: |
        0.280 6.9098E-06
        0.290 3.8084E-06
        0.300 2.0939E-06
        0.310 1.1281E-06
        0.320 6.0349E-07
        0.330 3.2974E-07
        0.340 1.9635E-07
        0.350 1.0790E-07
        0.360 6.6660E-08
        0.370 4.7491E-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 1.4672E-08
        0.480 1.5310E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-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 2.4783E-07
        1.600 1.0227E-07
        1.800 2.7477E-07
        2.000 6.1658E-07
        2.200 2.4582E-06
        2.400 4.1190E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 9.33e-07 2.01e-08 -2.04e-11 3.94e-07 2.14e-10 0.158
    nd: 1.552480
    Vd: 63.365490
    glass_code: 552634
    density:
      - value: 2900
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: -0.0009
    resistance:
        climatic: 2.0