# 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 0.7065
    coefficients: 2.3504951 -0.0086857021 2 0.016092857 -2 0.00018705912 -4 4.2149581e-05 -6 -1.3216062e-06 -8
  - type: tabulated k
    data: |
        0.310 5.2305E-06
        0.320 1.4765E-06
        0.330 4.9565E-07
        0.340 2.1094E-07
        0.350 1.0790E-07
        0.360 6.9593E-08
        0.370 5.3481E-08
        0.380 5.1849E-08
        0.390 3.7468E-08
        0.400 3.1991E-08
        0.420 3.3591E-08
        0.440 3.5190E-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 3.3905E-08
        0.900 4.3101E-08
        0.950 3.7894E-08
        1.000 2.3909E-08
        1.060 1.6887E-08
        1.200 1.9118E-08
        1.400 3.3473E-08
        1.600 8.9440E-08
        1.800 5.5492E-07
        2.000 1.4661E-06
        2.200 3.3255E-06
        2.400 4.9917E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    nd: 1.548100
    Vd: 45.886233
    glass_code: 548459
    glass_status: preferred
    density:
      - value: 2940
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.7e-06
      - temperature_range: 293 573
        value: 9.3e-06
    dPgF: 0.0013