# 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:4°C/h
DATA:
  - type: formula 2
    wavelength_range: 0.302 2.325
    coefficients: 0 0.922289896 0.0126503387 0.584492874 0.00176614589 1.04970792 106.089243
  - type: tabulated k
    data: |
        0.280 2.8846E-06
        0.290 2.2574E-06
        0.300 1.6884E-06
        0.310 1.3395E-06
        0.320 7.1566E-07
        0.330 4.2370E-07
        0.340 2.4034E-07
        0.350 1.3408E-07
        0.360 7.8413E-08
        0.370 5.0485E-08
        0.380 2.7339E-08
        0.390 1.8677E-08
        0.400 1.9156E-08
        0.420 1.3396E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        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 4.4653E-08
        1.600 1.4083E-07
        1.800 4.6586E-07
        2.000 1.0017E-06
        2.200 2.3377E-06
        2.400 3.5586E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -8.61e-06 1.14e-08 -3.06e-11 3.5e-07 1.08e-10 0.215
    nd: 1.594190
    Vd: 67.295385
    glass_code: 594673
    density:
      - value: 3370
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.2e-06
      - temperature_range: 293 573
        value: 1.15e-05
    dPgF: 0.0057
    resistance:
        climatic: 1.0