# 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 0.749532263 0.0148033503 0.494866234 -0.000264092219 0.96016866 95.7190154
  - type: tabulated k
    data: |
        0.320 8.9294E-06
        0.330 3.6405E-06
        0.340 1.5209E-06
        0.350 6.9202E-07
        0.360 3.3384E-07
        0.370 1.8218E-07
        0.380 1.2030E-07
        0.390 7.2215E-08
        0.400 5.1341E-08
        0.420 4.3734E-08
        0.440 3.8729E-08
        0.460 3.3094E-08
        0.480 3.0681E-08
        0.500 2.7950E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 2.5516E-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 1.9118E-08
        1.400 2.4783E-07
        1.600 6.3822E-08
        1.800 8.6203E-08
        2.000 4.8477E-07
        2.200 2.3979E-06
        2.400 5.2414E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.37e-06 2.2e-08 -6.81e-12 4.56e-07 4.32e-10 0.199
    nd: 1.508020
    Vd: 61.052897
    glass_code: 508611
    density:
      - value: 2430
    thermal_expansion:
      - temperature_range: 243 343
        value: 4.7e-06
      - temperature_range: 293 573
        value: 5.2e-06
    dPgF: -0.0028
    resistance:
        climatic: 1.0