# 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 3
    wavelength_range: 0.365 1.014
    coefficients: 3.43418261 -0.0106199538 2 0.0400046303 -2 -0.000637942235 -4 0.000216353029 -6 -8.49876445e-06 -8
  - type: tabulated k
    data: |
        0.340 9.4875E-06
        0.350 4.4826E-06
        0.360 2.2876E-06
        0.370 1.2820E-06
        0.380 7.8251E-07
        0.390 5.0803E-07
        0.400 3.5666E-07
        0.420 2.1036E-07
        0.440 1.5389E-07
        0.460 1.0773E-07
        0.480 8.1068E-08
        0.500 6.0135E-08
        0.550 2.6340E-08
        0.600 2.8734E-08
        0.650 3.6335E-08
        0.700 3.9130E-08
        0.800 4.4720E-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 1.0062E-07
        2.000 3.3778E-07
        2.200 8.6118E-07
        2.400 3.4897E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.45e-07 1.47e-08 -7.21e-11 7.69e-07 2.19e-10 0.208
    nd: 1.883004
    Vd: 40.806875
    glass_code: 883408
    glass_status: preferred
    density:
      - value: 5530
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: -0.0067
    resistance:
        climatic: 1.0