# 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: 0.313 2.325
    coefficients: 0 1.31145759 0.00988576985 0.840047425 102.880258 0.132407269 0.047752793
  - type: tabulated k
    data: |
        0.320 2.3054E-06
        0.330 6.2227E-07
        0.340 2.0557E-07
        0.350 8.4450E-08
        0.360 3.7269E-08
        0.365 2.9415E-08
        0.370 1.7800E-08
        0.380 8.4968E-09
        0.390 6.2226E-09
        0.400 6.3822E-09
        0.420 6.7013E-09
        0.440 7.0204E-09
        0.460 5.8686E-09
        0.480 4.5906E-09
        0.500 3.1863E-09
        0.550 3.5049E-09
        0.600 3.8235E-09
        0.650 4.1422E-09
        0.700 4.4608E-09
        0.800 5.0981E-09
        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 7.6471E-09
        1.400 4.0289E-08
        1.600 9.7697E-08
        1.800 5.0897E-07
        2.000 1.3180E-06
        2.200 2.9630E-06
        2.400 4.6229E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.74e-06 1.64e-08 -5.12e-11 8.26e-07 4.87e-10 0.234
    nd: 1.581440
    Vd: 40.885954
    glass_code: 581409
    density:
      - value: 3230
    thermal_expansion:
      - temperature_range: 243 343
        value: 9e-06
      - temperature_range: 293 573
        value: 1.11e-05
    dPgF: -0.0018
    resistance:
        climatic: 2.0