# 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: 0.365 2.325
    coefficients: 0 2.00079286 0.012959987 1.53020671 131.107483 0.289955307 0.057737977
  - type: tabulated k
    data: |
        0.360 1.0243E-05
        0.370 4.0466E-06
        0.380 1.9543E-06
        0.390 1.1516E-06
        0.400 7.9088E-07
        0.420 4.8858E-07
        0.440 3.6502E-07
        0.460 2.8934E-07
        0.480 2.3635E-07
        0.500 1.9154E-07
        0.550 1.0632E-07
        0.600 7.2162E-08
        0.650 4.6764E-08
        0.700 3.9130E-08
        0.800 3.8312E-08
        0.850 2.7111E-08
        0.900 2.8705E-08
        0.950 3.0300E-08
        1.000 3.9889E-08
        1.060 3.3809E-08
        1.200 3.8274E-08
        1.400 4.4653E-08
        1.600 6.3822E-08
        1.800 1.5844E-07
        2.000 2.7289E-07
        2.200 6.4188E-07
        2.400 1.5717E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.09e-06 1.67e-08 -4.15e-11 1.04e-06 1.1e-09 0.255
    nd: 1.850130
    Vd: 30.012319
    glass_code: 850300
    density:
      - value: 4310
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.4e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: 0.0052
    resistance:
        climatic: 1.0