# 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: 2.9425645 -0.013266554 2 0.023559223 -2 -0.00016399009 -4 9.2370759e-05 -6 -4.8615982e-06 -8
  - type: tabulated k
    data: |
        0.280 5.4927E-06
        0.290 3.8693E-06
        0.300 2.9388E-06
        0.310 2.2728E-06
        0.320 1.5597E-06
        0.330 1.0713E-06
        0.340 7.1419E-07
        0.350 4.5265E-07
        0.360 2.6703E-07
        0.370 1.5723E-07
        0.380 9.8348E-08
        0.390 6.2700E-08
        0.400 4.4878E-08
        0.420 2.6846E-08
        0.440 2.1072E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        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 1.0350E-08
        1.400 1.0072E-07
        1.500 1.0792E-07
        1.550 1.1151E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 9.29549e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.73400
    Vd: 51.05
    glass_code: 734511
    glass_status: special
    density:
      - value: 4059
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.2e-06
      - temperature_range: 293 573
        value: 6.6e-06
    dPgF: -0.0063
    resistance:
        climatic: 1.0
        stain: 3.0
        acid: 4.0