# 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 0.8348882 90.1036067 0.140256117 0.019928316 1.0463805 0.006081957
  - type: tabulated k
    data: |
        0.280 4.2570E-06
        0.290 1.7228E-06
        0.300 6.7726E-07
        0.310 2.7918E-07
        0.320 1.3598E-07
        0.330 6.9181E-08
        0.340 5.4661E-08
        0.350 3.0807E-08
        0.360 2.0124E-08
        0.370 2.0683E-08
        0.380 1.8198E-08
        0.390 1.5557E-08
        0.400 1.2758E-08
        0.420 1.6753E-08
        0.440 1.7551E-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 1.0355E-08
        0.700 1.1152E-08
        0.800 1.2745E-08
        0.850 6.7675E-09
        0.900 7.1656E-09
        0.950 7.5636E-09
        1.000 7.9617E-09
        1.060 8.4394E-09
        1.200 1.9118E-08
        1.400 2.2508E-07
        1.600 1.0227E-07
        1.800 1.5844E-07
        2.000 3.7033E-07
        2.200 2.2579E-06
        2.400 3.2392E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -9.26e-06 1.71e-08 -1.54e-11 3.26e-07 5.95e-10 0.187
    nd: 1.486870
    Vd: 70.417086
    glass_code: 487704
    density:
      - value: 2430
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.1e-06
      - temperature_range: 293 573
        value: 1.01e-05
    dPgF: 0.0033
    resistance:
        climatic: 2.0