# 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: 0.302 2.325
    coefficients: 0 0.434311306 -0.00192252587 1.10560033 0.0147271072 0.988776159 110.41165
  - type: tabulated k
    data: |
        0.280 7.2286E-06
        0.290 4.0622E-06
        0.300 2.2664E-06
        0.310 1.2684E-06
        0.320 6.9216E-07
        0.330 3.7175E-07
        0.340 2.1094E-07
        0.350 1.0790E-07
        0.360 6.3729E-08
        0.370 3.8528E-08
        0.380 2.1242E-08
        0.390 1.8677E-08
        0.400 1.2758E-08
        0.420 1.3396E-08
        0.440 1.4034E-08
        0.460 1.4672E-08
        0.480 1.5310E-08
        0.500 1.5947E-08
        0.550 1.7542E-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 1.0072E-07
        1.600 6.3822E-08
        1.800 1.8743E-07
        2.000 4.0295E-07
        2.200 1.4217E-06
        2.400 2.6378E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.24e-06 1.77e-08 -2.57e-11 5.34e-07 1.22e-10 0.194
    nd: 1.607380
    Vd: 56.654511
    glass_code: 607567
    density:
      - value: 3540
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 7.7e-06
    dPgF: -0.001
    resistance:
        climatic: 1.0