# 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: |
    i line glass
DATA:
  - type: formula 2
    wavelength_range: 0.302 2.325
    coefficients: 0 0.601737491 0.012574974 0.858737004 92.3325663 0.586761501 0.002687509
  - type: tabulated k
    data: |
        0.280 2.4928E-06
        0.290 9.6646E-07
        0.300 3.6548E-07
        0.310 1.3742E-07
        0.320 5.6545E-08
        0.330 2.1221E-08
        0.340 1.5259E-08
        0.350 7.8260E-09
        0.360 4.5929E-09
        0.365 4.6566E-09
        0.370 4.7204E-09
        0.380 4.8480E-09
        0.390 4.9756E-09
        0.400 5.1032E-09
        0.420 5.3583E-09
        0.440 5.6135E-09
        0.460 5.8686E-09
        0.480 7.6586E-09
        0.500 7.9777E-09
        0.550 8.7755E-09
        0.600 9.5732E-09
        0.650 1.0371E-08
        0.700 1.1169E-08
        0.800 1.0206E-08
        0.850 5.4167E-09
        0.900 5.7353E-09
        0.950 6.0539E-09
        1.000 6.3726E-09
        1.060 6.7549E-09
        1.200 1.9146E-08
        1.400 1.6801E-07
        1.600 8.7325E-08
        1.800 1.4506E-07
        2.000 3.0647E-07
        2.200 1.8485E-06
        2.400 2.8791E-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: 1.487490
    Vd: 70.440487
    glass_code: 487704
    density:
      - value: 2430
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.2e-06
      - temperature_range: 293 573
        value: 1.02e-05
    dPgF: 0.0035
    resistance:
        climatic: 2.0