# 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: 2.8081523 -0.014167885 2 0.017693707 -2 0.00076788759 -4 -7.4886174e-05 -6 4.7044756e-06 -8
  - type: tabulated k
    data: |
        0.280 5.6278E-06
        0.290 3.7027E-06
        0.300 2.8505E-06
        0.310 2.1283E-06
        0.320 1.5131E-06
        0.330 1.0322E-06
        0.340 6.7225E-07
        0.350 4.2656E-07
        0.360 2.4823E-07
        0.370 1.5103E-07
        0.380 9.2107E-08
        0.390 6.5868E-08
        0.400 4.8108E-08
        0.420 3.3591E-08
        0.440 1.7551E-08
        0.460 1.0998E-08
        0.480 3.8216E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 5.9713E-09
        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 2.0711E-08
        1.400 8.9485E-08
        1.500 8.3850E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.88596e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.69100
    Vd: 54.69
    glass_code: 691547
    glass_status: special
    density:
      - value: 3650
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.8e-06
      - temperature_range: 293 573
        value: 7.3e-06
    dPgF: -0.008
    resistance:
        climatic: 1.0
        acid: 5.0