# 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: 2.1894054 -0.0099044908 2 0.008640337 -2 0.00022263067 -4 -1.2291942e-05 -6 5.9386349e-07 -8
  - type: tabulated k
    data: |
        0.280 4.7243E-06
        0.290 1.9477E-06
        0.300 8.1764E-07
        0.310 3.4922E-07
        0.320 1.6570E-07
        0.330 7.9988E-08
        0.340 4.3640E-08
        0.350 2.2371E-08
        0.360 1.4360E-08
        0.370 1.1801E-08
        0.380 2.1242E-08
        0.390 6.2133E-09
        0.400 6.3726E-09
        0.420 1.0042E-08
        0.440 1.0520E-08
        0.460 7.3285E-09
        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 3.2786E-07
        1.500 1.0792E-07
        1.550 9.9073E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -6.6046e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.48749
    Vd: 70.45
    glass_code: 487704
    density:
      - value: 2450
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.3e-06
      - temperature_range: 293 573
        value: 1.02e-05
    dPgF: 0.0092
    resistance:
        climatic: 5.0
        stain: 5.0
        acid: 5.0