# 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 0.299636528 0.047054626 2.19452718 0.011540397 1.53572385 112.608928
  - type: tabulated k
    data: |
        0.350 6.2247E-06
        0.360 2.8795E-06
        0.370 1.5887E-06
        0.380 9.8918E-07
        0.390 6.6934E-07
        0.400 4.7269E-07
        0.420 2.8596E-07
        0.440 1.9808E-07
        0.460 1.4181E-07
        0.480 9.6707E-08
        0.500 6.4177E-08
        0.550 2.6340E-08
        0.600 2.8734E-08
        0.650 2.0732E-08
        0.700 2.2326E-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 8.6203E-08
        2.000 3.2154E-07
        2.200 8.7958E-07
        2.400 3.3982E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.39e-07 1.46e-08 -2.76e-11 8.87e-07 7.53e-10 0.22
    nd: 1.900690
    Vd: 37.050531
    glass_code: 901371
    density:
      - value: 4950
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.6e-06
    dPgF: -0.0046
    resistance:
        climatic: 1.0