# 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: 2.2181132 -0.005799427 2 0.0083470679 -2 6.5046523e-05 -4 8.5142186e-06 -6 -5.8852269e-07 -8
  - type: tabulated k
    data: |
        0.280 8.0480E-06
        0.290 5.9169E-06
        0.300 3.9647E-06
        0.310 2.4130E-06
        0.320 1.3609E-06
        0.330 7.1723E-07
        0.340 3.5203E-07
        0.350 1.7530E-07
        0.360 8.1359E-08
        0.370 2.9592E-08
        0.380 1.5158E-08
        0.390 1.2439E-08
        0.400 1.5955E-08
        0.420 1.0042E-08
        0.440 1.0520E-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 1.0355E-08
        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 1.1146E-08
        1.500 1.1943E-08
        1.550 1.2341E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.92e-05 -8.39e-09 5.31e-12 3.68e-07 4.15e-10 -0.143
    nd: 1.49700
    Vd: 81.61
    glass_code: 497816
    glass_status: standard
    density:
      - value: 3700
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.32e-05
      - temperature_range: 293 573
        value: 1.55e-05
    dPgF: 0.0375
    resistance:
        climatic: 2.0
        stain: 4.0
        acid: 3.0