# 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/hoya_2017-04-01.agf">HOYA Zemax catalog 2017-04-01</a> (obtained from <a href="http://www.hoya-opticalworld.com/english/datadownload/">http://www.hoya-opticalworld.com</a>)
COMMENTS: |
    Not in a position to accept new order because of discontinuation.
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.9704178 -0.013290679 2 0.028359006 -2 0.0017661786 -4 -0.00012453482 -6 1.3951937e-05 -8
  - type: tabulated k
    data: |
        0.360 9.8607E-06
        0.370 4.2639E-06
        0.380 2.0184E-06
        0.390 1.0411E-06
        0.400 5.8927E-07
        0.420 2.2821E-07
        0.440 1.3565E-07
        0.460 9.2677E-08
        0.480 6.9381E-08
        0.500 6.4177E-08
        0.550 2.6340E-08
        0.600 3.3540E-08
        0.650 3.1129E-08
        0.700 2.7922E-08
        0.750 1.1949E-08
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 6.6082E-09
        0.850 6.7675E-09
        0.900 7.1656E-09
        0.950 7.5636E-09
        1.000 7.9617E-09
        1.050 8.3598E-09
        1.060 8.4394E-09
        1.100 8.7579E-09
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 4.4653E-08
        1.500 4.7842E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.20779e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.74950
    Vd: 35.04
    glass_code: 750350
    glass_status: special
    density:
      - value: 3720
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: 0.0053
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 2.0