# 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: 0.302 2.325
    coefficients: 0 1.93178403 0.00997340769 0.189897276 0.0368891042 1.09736515 77.2777489
  - type: tabulated k
    data: |
        0.310 8.8205E-06
        0.320 4.0731E-06
        0.330 2.0278E-06
        0.340 1.1697E-06
        0.350 7.1713E-07
        0.360 4.4209E-07
        0.370 2.8092E-07
        0.380 1.8711E-07
        0.390 1.3316E-07
        0.400 1.0024E-07
        0.420 6.4114E-08
        0.440 5.2919E-08
        0.460 3.3094E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 2.1939E-08
        0.600 1.9137E-08
        0.650 1.5541E-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 4.4653E-08
        1.600 6.3822E-08
        1.800 1.8743E-07
        2.000 6.0004E-07
        2.200 1.8446E-06
        2.400 7.4501E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.87e-06 1.68e-08 -3.95e-11 5.95e-07 4.28e-10 0.194
    nd: 1.788000
    Vd: 47.491731
    glass_code: 788475
    glass_status: standard
    density:
      - value: 4300
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
      - temperature_range: 293 573
        value: 7.7e-06
    dPgF: -0.0097
    resistance:
        climatic: 1.0