# 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 0.113568363 0.0529496322 1.07619407 114.277366 1.33131033 0.00976687365
  - type: tabulated k
    data: |
        0.350 8.8965E-06
        0.360 2.7870E-06
        0.370 9.9600E-07
        0.380 4.2112E-07
        0.390 2.0195E-07
        0.400 1.1011E-07
        0.420 4.7122E-08
        0.440 3.5190E-08
        0.460 2.5714E-08
        0.480 2.2987E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
        0.800 1.9127E-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 6.7046E-08
        1.600 1.1511E-07
        1.800 4.5107E-07
        2.000 1.0357E-06
        2.200 2.6201E-06
        2.400 3.6047E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.15e-06 1.62e-08 -5.36e-11 7.72e-07 8.65e-10 0.235
    nd: 1.581440
    Vd: 40.746424
    glass_code: 581408
    density:
      - value: 2610
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.5e-06
      - temperature_range: 293 573
        value: 1.04e-05
    dPgF: 0.0014
    resistance:
        climatic: 1.0