# 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 0.938065696 0.00438468072 0.623491935 0.0169391481 1.00587058 93.2750706
  - type: tabulated k
    data: |
        0.290 9.5429E-06
        0.300 7.2995E-06
        0.310 5.1298E-06
        0.320 3.4500E-06
        0.330 2.0911E-06
        0.340 1.1448E-06
        0.350 5.9034E-07
        0.360 3.1140E-07
        0.370 1.6656E-07
        0.380 9.8348E-08
        0.390 6.5868E-08
        0.400 4.1652E-08
        0.420 3.3591E-08
        0.440 3.1655E-08
        0.460 1.8349E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.0355E-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 1.6838E-07
        1.600 1.0227E-07
        1.800 2.6018E-07
        2.000 6.1658E-07
        2.200 2.2778E-06
        2.400 5.4943E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.89e-07 1.54e-08 -4.77e-11 3.87e-07 5.71e-10 0.198
    nd: 1.613090
    Vd: 60.355862
    glass_code: 613604
    density:
      - value: 3410
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0019
    resistance:
        climatic: 4.0