# 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 0.951357962 0.0112894891 0.969614738 99.1744348 0.273207194 -0.00245665699
  - type: tabulated k
    data: |
        0.280 5.9253E-06
        0.290 2.7028E-06
        0.300 1.1412E-06
        0.310 4.8956E-07
        0.320 2.2343E-07
        0.330 1.1542E-07
        0.340 6.5727E-08
        0.350 3.9268E-08
        0.360 2.5900E-08
        0.370 2.3650E-08
        0.380 3.0392E-08
        0.390 1.5557E-08
        0.400 1.2758E-08
        0.420 1.6753E-08
        0.440 2.1072E-08
        0.460 1.8349E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-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 2.3645E-07
        1.600 2.5490E-08
        1.800 1.1505E-07
        2.000 3.5405E-07
        2.200 2.3377E-06
        2.400 3.5127E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.23e-06 2.28e-08 -4.09e-11 4.76e-07 3e-10 0.032
    nd: 1.500470
    Vd: 66.020774
    glass_code: 500660
    density:
      - value: 2420
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.5e-06
      - temperature_range: 293 573
        value: 6.5e-06
    dPgF: -0.001
    resistance:
        climatic: 1.0