# 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 2
    wavelength_range: 0.365 2.325
    coefficients: 0 1.06294164 108.400406 0.146910876 0.0591797128 1.48922543 0.0115933111
  - type: tabulated k
    data: |
        0.360 5.8448E-06
        0.370 1.7442E-06
        0.380 5.8539E-07
        0.390 2.4867E-07
        0.400 1.2332E-07
        0.420 5.7307E-08
        0.440 4.2271E-08
        0.460 3.6790E-08
        0.480 3.0681E-08
        0.500 1.9944E-08
        0.550 1.3150E-08
        0.600 9.5589E-09
        0.650 1.5541E-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 7.8260E-08
        1.600 1.1511E-07
        1.800 4.5107E-07
        2.000 9.1720E-07
        2.200 2.1586E-06
        2.400 3.3072E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.73e-06 1.27e-08 -8.17e-11 8.61e-07 9.43e-10 0.263
    nd: 1.647690
    Vd: 33.840317
    glass_code: 648338
    glass_status: special
    density:
      - value: 2730
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.1e-06
      - temperature_range: 293 573
        value: 1.17e-05
    dPgF: 0.0049
    resistance:
        climatic: 1.0