# 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: 3.175337 -0.014107601 2 0.0278609 -2 0.00040102824 -4 2.4504764e-05 -6 2.4435731e-08 -8
  - type: tabulated k
    data: |
        0.320 6.2773E-06
        0.330 2.9596E-06
        0.340 1.5209E-06
        0.350 8.4996E-07
        0.360 4.7910E-07
        0.370 2.8741E-07
        0.380 1.8068E-07
        0.390 1.1701E-07
        0.400 8.0589E-08
        0.420 4.3734E-08
        0.440 2.8124E-08
        0.460 2.2030E-08
        0.480 1.5310E-08
        0.500 7.9657E-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 1.3542E-08
        0.900 7.1656E-09
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.050 1.6728E-08
        1.060 1.6887E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 2.0711E-08
        1.400 4.4653E-08
        1.500 5.9833E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.82e-06 8.49e-09 -3.35e-11 6.91e-07 6.18e-10 0.156
    nd: 1.80420
    Vd: 46.50
    glass_code: 804465
    glass_status: standard
    density:
      - value: 4400
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: -0.0073
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 3.0