# 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 0.841282669 103.641667 1.01521166 0.00623224915 0.204021337 0.022057042
  - type: tabulated k
    data: |
        0.290 7.8723E-06
        0.300 3.2529E-06
        0.310 1.2234E-06
        0.320 4.6836E-07
        0.330 1.8493E-07
        0.340 7.9624E-08
        0.350 3.6445E-08
        0.360 1.7241E-08
        0.370 1.1801E-08
        0.380 9.0855E-09
        0.390 6.2133E-09
        0.400 6.3726E-09
        0.420 1.0042E-08
        0.440 1.0520E-08
        0.460 7.3285E-09
        0.480 7.6471E-09
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 2.5516E-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 4.4653E-08
        1.600 1.0227E-07
        1.800 4.9549E-07
        2.000 1.3444E-06
        2.200 3.0316E-06
        2.400 4.9422E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.14e-06 1.96e-08 -3.87e-11 5.49e-07 -2.63e-10 0.161
    nd: 1.499670
    Vd: 62.071979
    glass_code: 500621
    density:
      - value: 2470
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.7e-06
      - temperature_range: 293 573
        value: 1.04e-05
    dPgF: 0.0006
    resistance:
        climatic: 3.0