# 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 0.0736995941 0.0478548878 1.19277164 0.00781132706 1.01749455 104.241959
  - type: tabulated k
    data: |
        0.340 6.5150E-06
        0.350 1.7683E-06
        0.360 5.5806E-07
        0.370 2.1684E-07
        0.380 1.3291E-07
        0.390 8.8138E-08
        0.400 7.0810E-08
        0.420 5.7307E-08
        0.440 4.9366E-08
        0.460 4.0489E-08
        0.480 3.4533E-08
        0.500 2.7950E-08
        0.550 2.1939E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 1.2745E-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 2.2304E-08
        1.600 2.5490E-08
        1.800 1.0062E-07
        2.000 2.5671E-07
        2.200 1.4979E-06
        2.400 2.4632E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -5.94e-07 1.77e-08 -1.13e-10 5.53e-07 9.82e-10 0.212
    nd: 1.517420
    Vd: 52.149249
    glass_code: 517522
    density:
      - value: 2470
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
      - temperature_range: 293 573
        value: 8.8e-06
    dPgF: 0.0022
    resistance:
        climatic: 1.0