# 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 1.29450546 0.00894503808 0.150752291 0.0483713581 1.08698065 113.959763
  - type: tabulated k
    data: |
        0.360 1.1207E-05
        0.370 3.9663E-06
        0.380 1.3972E-06
        0.390 2.8929E-07
        0.400 1.6327E-07
        0.420 8.8048E-08
        0.440 7.0738E-08
        0.460 6.2765E-08
        0.480 5.3854E-08
        0.500 4.4010E-08
        0.550 2.6340E-08
        0.600 2.8734E-08
        0.650 2.5928E-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 5.5844E-08
        1.600 1.0227E-07
        1.800 3.7735E-07
        2.000 9.1720E-07
        2.200 2.3578E-06
        2.400 3.1940E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.05e-07 2.23e-09 5.39e-11 5.36e-07 1.83e-09 0.288
    nd: 1.581440
    Vd: 40.888972
    glass_code: 581409
    density:
      - value: 2600
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.7e-06
      - temperature_range: 293 573
        value: 9.9e-06
    dPgF: 0.0013