# 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>
DATA:
  - type: formula 2
    wavelength_range: 0.302 2.325
    coefficients: 0 0.639398694 5.67124825e-05 1.18748481 0.0158001968 1.26545352 91.097053
  - type: tabulated k
    data: |
        0.280 4.2570E-06
        0.290 3.5153E-06
        0.300 2.7806E-06
        0.310 2.1108E-06
        0.320 1.5085E-06
        0.330 1.0322E-06
        0.340 6.7225E-07
        0.350 4.1684E-07
        0.360 2.6075E-07
        0.370 1.6656E-07
        0.380 1.0460E-07
        0.390 7.8574E-08
        0.400 6.4307E-08
        0.420 5.0514E-08
        0.440 4.5817E-08
        0.460 3.6790E-08
        0.480 2.2987E-08
        0.500 2.3945E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 3.9130E-08
        0.800 4.4720E-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 4.4653E-08
        1.600 6.3822E-08
        1.800 1.8743E-07
        2.000 6.0004E-07
        2.200 2.0009E-06
        2.400 8.7335E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 8.08e-08 1.25e-08 -7.7e-12 4.99e-07 6.1e-10 0.161
    nd: 1.696800
    Vd: 55.526357
    glass_code: 697555
    glass_status: standard
    density:
      - value: 3560
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 8.1e-06
    dPgF: -0.007
    resistance:
        climatic: 1.0