# 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 1.17461263 82.6267633 1.65889744 0.0080512806 0.413174064 0.026961264
  - type: tabulated k
    data: |
        0.300 1.0026E-05
        0.310 5.3355E-06
        0.320 2.9824E-06
        0.330 1.8255E-06
        0.340 1.1489E-06
        0.350 7.1713E-07
        0.360 4.4209E-07
        0.370 2.7445E-07
        0.380 1.7747E-07
        0.390 1.2346E-07
        0.400 8.7125E-08
        0.420 6.0709E-08
        0.440 4.5817E-08
        0.460 2.5714E-08
        0.480 2.2987E-08
        0.500 1.5947E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 3.1129E-08
        0.700 3.3523E-08
        0.800 3.8312E-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 6.3822E-08
        1.800 1.8743E-07
        2.000 6.1658E-07
        2.200 1.9225E-06
        2.400 7.8780E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.17e-06 1.36e-08 -3.28e-11 5.95e-07 8.86e-10 0.161
    nd: 1.772500
    Vd: 49.598996
    glass_code: 773496
    glass_status: standard
    density:
      - value: 4240
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.8e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0096
    resistance:
        climatic: 1.0