# 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: 3.1010267 -0.010022108 2 0.032631687 -2 -0.00081029268 -4 0.0001935011 -6 -8.0279799e-06 -8
  - type: tabulated k
    data: |
        0.320 5.4855E-06
        0.330 2.4326E-06
        0.340 1.2415E-06
        0.350 7.0634E-07
        0.360 4.1216E-07
        0.370 2.4871E-07
        0.380 1.7427E-07
        0.390 1.1379E-07
        0.400 7.4066E-08
        0.420 4.7122E-08
        0.440 3.5190E-08
        0.460 1.8349E-08
        0.480 1.9146E-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 1.1949E-08
        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 7.1835E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.08807e-05 0.0 0.0 0.0 0.0 0.0
    nd: 1.78590
    Vd: 43.93
    glass_code: 786439
    density:
      - value: 4430
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.7e-06
      - temperature_range: 293 573
        value: 7.1e-06
    dPgF: -0.008
    resistance:
        climatic: 1.0
        stain: 3.0
        acid: 3.0