# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

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: 2.5544667 -0.00847847799 2 0.0232832892 -2 0.000583809482 -4 2.1963001e-05 -6 1.96537708e-06 -8
  - type: tabulated k
    data: |
        0.320 8.9294E-06
        0.330 2.6829E-06
        0.340 9.2665E-07
        0.350 3.9750E-07
        0.360 2.0482E-07
        0.370 1.2326E-07
        0.380 9.2107E-08
        0.390 6.2700E-08
        0.400 4.8108E-08
        0.420 4.0350E-08
        0.440 3.8729E-08
        0.460 3.3094E-08
        0.480 3.0681E-08
        0.500 2.7950E-08
        0.550 2.6340E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 3.3523E-08
        0.800 3.8312E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 7.5636E-09
        1.000 7.9617E-09
        1.060 8.4394E-09
        1.200 1.9118E-08
        1.400 5.5844E-08
        1.600 1.0227E-07
        1.800 5.6982E-07
        2.000 1.3790E-06
        2.200 3.0108E-06
        2.400 4.5020E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.9e-06 2.24e-08 -2.95e-11 9.73e-07 8.74e-10 0.246
    nd: 1.620047
    Vd: 36.356730
    glass_code: 620364
    glass_status: preferred
    density:
      - value: 3570
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.1e-06
      - temperature_range: 293 573
        value: 1.14e-05
    resistance:
        climatic: 1.0