# 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: |
    Not in a position to accept new order because of discontinuation.
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 3.1212281 -0.014119909 2 0.026520622 -2 0.00040415763 -4 1.4260634e-05 -6 3.164256e-07 -8
  - type: tabulated k
    data: |
        0.310 9.6506E-06
        0.320 3.9142E-06
        0.330 1.8733E-06
        0.340 1.0158E-06
        0.350 6.0069E-07
        0.360 3.4352E-07
        0.370 2.1367E-07
        0.380 1.3607E-07
        0.390 9.1333E-08
        0.400 6.4307E-08
        0.420 4.3734E-08
        0.440 2.8124E-08
        0.460 2.5714E-08
        0.480 1.1476E-08
        0.500 1.1955E-08
        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 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 5.5844E-08
        1.500 9.5877E-08
        1.550 8.6645E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.51099e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.78800
    Vd: 47.49
    glass_code: 788475
    glass_status: special
    density:
      - value: 4540
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.8e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: -0.009
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 3.0