# 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: |
    General glass Type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.2189068 -0.0061707065 2 0.0080887631 -2 0.00013357782 -4 1.9476186e-07 -6 -2.2577804e-07 -8
  - type: tabulated k
    data: |
        0.300 8.5360E-06
        0.310 5.4007E-06
        0.320 3.1698E-06
        0.330 1.7172E-06
        0.340 8.6636E-07
        0.350 4.1037E-07
        0.360 1.8336E-07
        0.370 8.3618E-08
        0.380 3.9569E-08
        0.390 2.1801E-08
        0.400 1.2758E-08
        0.420 1.6753E-08
        0.440 1.4034E-08
        0.460 1.0998E-08
        0.480 7.6471E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 1.0355E-08
        0.700 1.1152E-08
        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 3.3473E-08
        1.500 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.75e-05 -5.28e-09 2.39e-11 3.52e-07 1.97e-10 0.186
    nd: 1.49710
    Vd: 81.56
    glass_code: 497816
    density:
      - value: 3640
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.29e-05
      - temperature_range: 293 573
        value: 1.63e-05
    dPgF: 0.0369
    resistance:
        climatic: 1.0
        stain: 4.0
        acid: 3.0