# 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/2017/sumita_2017-02-02.agf">SUMITA Zemax catalog 2017-02-02</a> (obtained from <a href="http://www.sumita-opt.co.jp/en/download/">http://www.sumita-opt.co.jp</a>)<br>See also <a href="https://refractiveindex.info/download/data/2016/sumita_2016-02-01.pdf">SUMITA optical glass data book</a>
DATA:
  - type: formula 3
    wavelength_range: 0.36 1.55
    coefficients: 2.5593395 -0.0088787219 2 0.015115397 -2 0.0002035651 -4 7.5991137e-06 -6 -1.5375246e-07 -8
  - type: tabulated k
    data: |
        0.290 8.1705E-06
        0.300 7.4033E-06
        0.310 2.8032E-06
        0.320 1.1484E-06
        0.330 5.4689E-07
        0.340 2.5815E-07
        0.350 1.4286E-07
        0.360 8.7259E-08
        0.370 5.0485E-08
        0.380 4.2634E-08
        0.390 3.4328E-08
        0.400 3.8428E-08
        0.420 3.6968E-08
        0.440 2.4596E-08
        0.460 2.2030E-08
        0.480 2.6832E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-08
        0.800 1.2745E-08
        1.060 1.6887E-08
        1.500 7.1835E-08
        2.000 1.0357E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.04e-06 8.75e-09 -5.81e-11 5.61e-07 7.53e-10 0.187
    nd: 1.61305
    Vd: 59.0
    glass_code: 613590
    density:
      - value: 3380
    thermal_expansion:
      - temperature_range: 243 343
        value: 1e-05
      - temperature_range: 293 573
        value: 1.23e-05
    dPgF: 0.0041
    resistance:
        climatic: 1.0
        acid: 4.0