# 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 0.227765275 0.0412221798 2.04686906 0.010748949 1.20888928 87.8518998
  - type: tabulated k
    data: |
        0.320 9.0157E-06
        0.330 3.9881E-06
        0.340 1.9971E-06
        0.350 1.1237E-06
        0.360 6.8256E-07
        0.370 4.3382E-07
        0.380 2.7524E-07
        0.390 1.9534E-07
        0.400 1.3990E-07
        0.420 8.8048E-08
        0.440 6.3599E-08
        0.460 4.0489E-08
        0.480 2.6832E-08
        0.500 1.9944E-08
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-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 3.8255E-08
        1.800 1.2950E-07
        2.000 4.5199E-07
        2.200 1.2517E-06
        2.400 5.3421E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.05e-06 1.59e-08 -2.67e-11 6.94e-07 2.64e-10 0.221
    nd: 1.834810
    Vd: 42.725177
    glass_code: 835427
    glass_status: standard
    density:
      - value: 4560
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.4e-06
      - temperature_range: 293 573
        value: 8.1e-06
    dPgF: -0.0086
    resistance:
        climatic: 1.0