# 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: 0.365 2.325
    coefficients: 0 1.12023521 0.00335766705 0.897573526 0.0227710735 1.3665486 92.0376324
  - type: tabulated k
    data: |
        0.320 6.7718E-06
        0.330 3.5375E-06
        0.340 1.9859E-06
        0.350 1.1998E-06
        0.360 7.4875E-07
        0.370 4.6814E-07
        0.380 2.9851E-07
        0.390 1.9864E-07
        0.400 1.3658E-07
        0.420 8.1192E-08
        0.440 5.6476E-08
        0.460 4.0489E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 1.3150E-08
        0.600 1.4345E-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 2.5490E-08
        1.800 1.1505E-07
        2.000 5.6702E-07
        2.200 1.8057E-06
        2.400 8.2273E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.32e-06 1.59e-08 -1.31e-11 6.18e-07 3.24e-10 0.187
    nd: 1.757000
    Vd: 47.711817
    glass_code: 757477
    density:
      - value: 4059
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.7e-06
      - temperature_range: 293 573
        value: 6.9e-06
    dPgF: -0.0088
    resistance:
        climatic: 1.0