# 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>
COMMENTS: |
    anneal rate:25°C/h
DATA:
  - type: formula 2
    wavelength_range: 0.302 2.325
    coefficients: 0 0.734700246 0.022666746 1.33716574 0.006016769 1.13513348 95.7512696
  - type: tabulated k
    data: |
        0.300 6.1210E-06
        0.310 4.9399E-06
        0.320 2.8078E-06
        0.330 1.8308E-06
        0.340 1.1448E-06
        0.350 6.8489E-07
        0.360 4.0225E-07
        0.370 2.2955E-07
        0.380 1.3923E-07
        0.390 9.4531E-08
        0.400 6.7557E-08
        0.420 4.3734E-08
        0.440 3.5190E-08
        0.460 2.5714E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        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 2.2304E-08
        1.600 3.8255E-08
        1.800 1.0062E-07
        2.000 3.8663E-07
        2.200 1.0646E-06
        2.400 4.4537E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.53e-06 1.43e-08 -3.83e-11 5.87e-07 4.1e-10 0.222
    nd: 1.772880
    Vd: 49.519338
    glass_code: 773495
    glass_status: standard
    density:
      - value: 4930
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.3e-06
      - temperature_range: 293 573
        value: 8.9e-06
    dPgF: -0.0066
    resistance:
        climatic: 1.0