# 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 1.59868051 0.0126057844 0.189448887 0.0617894718 1.26870155 121.376823
  - type: tabulated k
    data: |
        0.360 9.6870E-06
        0.370 2.8645E-06
        0.380 9.7245E-07
        0.390 4.1442E-07
        0.400 2.2416E-07
        0.420 1.0525E-07
        0.440 7.7891E-08
        0.460 5.9043E-08
        0.480 4.6114E-08
        0.500 3.9989E-08
        0.550 2.6340E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-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 1.2796E-07
        1.800 4.6586E-07
        2.000 9.0035E-07
        2.200 2.0598E-06
        2.400 3.3754E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -5.39e-06 1.28e-08 -5.25e-11 9.07e-07 9.29e-10 0.278
    nd: 1.698940
    Vd: 30.050450
    glass_code: 699301
    density:
      - value: 2950
    thermal_expansion:
      - temperature_range: 243 343
        value: 9e-06
      - temperature_range: 293 573
        value: 1.13e-05
    dPgF: 0.0084
    resistance:
        climatic: 1.0