# 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 0.434311306 -0.00192252587 1.10560033 0.0147271072 0.988776159 110.41165
  - type: tabulated k
    data: |
        0.290 8.3354E-06
        0.300 6.9242E-06
        0.310 3.7464E-06
        0.320 1.9774E-06
        0.330 1.0399E-06
        0.340 5.6013E-07
        0.350 2.9655E-07
        0.360 1.6510E-07
        0.370 9.8803E-08
        0.380 6.1092E-08
        0.390 5.3213E-08
        0.400 4.1652E-08
        0.420 3.0216E-08
        0.440 3.1655E-08
        0.460 2.5714E-08
        0.480 2.2987E-08
        0.500 2.3945E-08
        0.550 2.6340E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.800 1.9127E-08
        0.850 2.0323E-08
        0.900 2.1518E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.060 2.5344E-08
        1.200 2.8691E-08
        1.400 1.2323E-07
        1.600 8.9440E-08
        1.800 2.1649E-07
        2.000 4.5199E-07
        2.200 1.5552E-06
        2.400 2.7698E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.24e-06 1.77e-08 -2.57e-11 5.34e-07 1.22e-10 0.194
    nd: 1.607380
    Vd: 56.654511
    glass_code: 607567
    density:
      - value: 3540
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 7.7e-06
    dPgF: -0.001
    resistance:
        climatic: 1.0