# 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 0.614555251 0.0145987884 0.656775017 0.00287769588 1.02699346 107.653051
  - type: tabulated k
    data: |
        0.280 3.9614E-06
        0.290 1.8894E-06
        0.300 8.3112E-07
        0.310 3.4638E-07
        0.320 1.4675E-07
        0.330 6.6486E-08
        0.340 3.2664E-08
        0.350 1.6762E-08
        0.360 5.7353E-09
        0.370 5.8946E-09
        0.380 6.0539E-09
        0.390 6.2133E-09
        0.400 6.3726E-09
        0.420 6.6912E-09
        0.440 7.0098E-09
        0.460 7.3285E-09
        0.480 7.6471E-09
        0.500 7.9657E-09
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-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 2.4783E-07
        1.600 1.5371E-07
        1.800 5.8473E-07
        2.000 1.4835E-06
        2.200 4.1712E-06
        2.400 6.1418E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.04e-06 1.48e-08 -5.17e-11 3.85e-07 4.55e-10 0.211
    nd: 1.516800
    Vd: 64.198732
    glass_code: 517642
    glass_status: standard
    density:
      - value: 2520
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.6e-06
      - temperature_range: 293 573
        value: 9.5e-06
    dPgF: -0.0005
    resistance:
        climatic: 2.0