# 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 0.89042231 109.831873 0.220099174 0.0247288604 1.0437922 0.00657041675
  - type: tabulated k
    data: |
        0.310 8.1330E-06
        0.320 3.3436E-06
        0.330 1.3327E-06
        0.340 5.6680E-07
        0.350 2.5962E-07
        0.360 1.2891E-07
        0.370 6.8511E-08
        0.380 4.5703E-08
        0.390 3.1191E-08
        0.400 2.5567E-08
        0.420 2.3478E-08
        0.440 2.4596E-08
        0.460 2.2030E-08
        0.480 2.2987E-08
        0.500 1.9944E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 1.9127E-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 8.9485E-08
        1.600 1.1511E-07
        1.800 4.6586E-07
        2.000 1.1037E-06
        2.200 2.7630E-06
        2.400 3.6972E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 8.89e-07 1.59e-08 -3.21e-11 5.87e-07 4.31e-10 0.197
    nd: 1.516020
    Vd: 56.794825
    glass_code: 516568
    density:
      - value: 2580
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.7e-06
      - temperature_range: 293 573
        value: 9.7e-06
    dPgF: -0.0024
    resistance:
        climatic: 2.0