# 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: 2.5906326 -0.010608994 2 0.014490916 -2 0.00067542247 -4 -5.5303116e-05 -6 3.0061364e-06 -8
  - type: tabulated k
    data: |
        0.290 1.0628E-05
        0.300 6.0297E-06
        0.310 3.4199E-06
        0.320 1.9226E-06
        0.330 1.0912E-06
        0.340 6.0374E-07
        0.350 3.4341E-07
        0.360 1.8336E-07
        0.370 9.8803E-08
        0.380 5.1849E-08
        0.390 3.4328E-08
        0.400 1.9156E-08
        0.420 6.6912E-09
        0.440 7.0098E-09
        0.460 3.6624E-09
        0.480 3.8216E-09
        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 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 2.0711E-08
        1.400 8.9485E-08
        1.500 7.1835E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.77178e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.62280
    Vd: 56.91
    glass_code: 623569
    glass_status: special
    density:
      - value: 3660
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.7e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: 0.0012
    resistance:
        climatic: 1.0
        stain: 4.0
        acid: 4.0