# 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: |
    Recommended glass type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 3.5274747 -0.014839948 2 0.039745402 -2 0.001803472 -4 -8.9279334e-05 -6 1.1377783e-05 -8
  - type: tabulated k
    data: |
        0.350 9.7665E-06
        0.360 3.7510E-06
        0.370 1.7603E-06
        0.380 9.5167E-07
        0.390 6.1590E-07
        0.400 4.1053E-07
        0.420 2.3896E-07
        0.440 1.6856E-07
        0.460 1.2662E-07
        0.480 9.2791E-08
        0.500 6.4177E-08
        0.550 3.0745E-08
        0.600 3.3540E-08
        0.650 3.1129E-08
        0.700 2.7922E-08
        0.750 2.3921E-08
        0.780 2.4878E-08
        0.800 2.5516E-08
        0.830 2.6473E-08
        0.850 2.7111E-08
        0.900 2.8705E-08
        0.950 3.7894E-08
        1.000 4.7890E-08
        1.050 5.0285E-08
        1.060 5.0764E-08
        1.100 6.1490E-08
        1.200 7.6702E-08
        1.300 8.3093E-08
        1.400 1.1197E-07
        1.500 1.4411E-07
        1.550 1.3643E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.96e-06 1.04e-08 -2.57e-11 8.88e-07 9.73e-10 0.239
    nd: 1.91082
    Vd: 35.25
    glass_code: 911353
    glass_status: standard
    density:
      - value: 4970
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: -0.0026
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0