# 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: 0.365 2.325
    coefficients: 0 1.22239213 0.00445444481 0.952859931 0.0229973985 1.37994067 99.1991267
  - type: tabulated k
    data: |
        0.310 9.1001E-06
        0.320 4.0605E-06
        0.330 2.0449E-06
        0.340 1.1739E-06
        0.350 7.0993E-07
        0.360 4.4209E-07
        0.370 2.7769E-07
        0.380 1.7747E-07
        0.390 1.2669E-07
        0.400 9.6955E-08
        0.420 6.4114E-08
        0.440 4.9366E-08
        0.460 3.3094E-08
        0.480 2.6832E-08
        0.500 2.3945E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 2.5516E-08
        0.850 2.0323E-08
        0.900 2.8705E-08
        0.950 3.0300E-08
        1.000 3.9889E-08
        1.060 5.9254E-08
        1.200 9.5974E-08
        1.400 1.9102E-07
        1.600 3.8782E-07
        1.800 6.8956E-07
        2.000 1.2925E-06
        2.200 2.6405E-06
        2.400 6.1155E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.15e-06 1.32e-08 -1.72e-11 6.09e-07 4.6e-10 0.211
    nd: 1.804000
    Vd: 46.574487
    glass_code: 804466
    glass_status: standard
    density:
      - value: 4440
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.8e-06
    dPgF: -0.0088
    resistance:
        climatic: 1.0