# 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: 3.1513655 -0.013052015 2 0.029502111 -2 0.00067643437 -4 3.6679701e-06 -6 1.8233293e-06 -8
  - type: tabulated k
    data: |
        0.320 1.1484E-05
        0.330 4.8455E-06
        0.340 2.0486E-06
        0.350 9.6176E-07
        0.360 4.7571E-07
        0.370 2.7445E-07
        0.380 1.7107E-07
        0.390 1.2023E-07
        0.400 8.3855E-08
        0.420 6.0709E-08
        0.440 4.9366E-08
        0.460 4.0489E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 1.7542E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
        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 3.3473E-08
        1.500 4.7842E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.05628e-05 0.0 0.0 0.0 0.0 0.0
    nd: 1.79950
    Vd: 42.34
    glass_code: 800423
    glass_status: special
    density:
      - value: 4450
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.7e-06
      - temperature_range: 293 573
        value: 7e-06
    dPgF: -0.0072
    resistance:
        climatic: 1.0
        stain: 3.0
        acid: 4.0