# 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: 2.8125316 -0.012915271 2 0.019960339 -2 0.00019877888 -4 1.7647061e-05 -6 -4.4767632e-07 -8
  - type: tabulated k
    data: |
        0.300 8.3713E-06
        0.310 4.5208E-06
        0.320 2.7472E-06
        0.330 1.7172E-06
        0.340 1.0835E-06
        0.350 6.5654E-07
        0.360 3.9896E-07
        0.370 2.4231E-07
        0.380 1.4875E-07
        0.390 9.4531E-08
        0.400 6.4307E-08
        0.420 3.3591E-08
        0.440 2.4596E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        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 2.0236E-07
        1.500 1.6829E-07
        1.550 1.4891E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.22553e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.69350
    Vd: 53.34
    glass_code: 694533
    glass_status: special
    density:
      - value: 3560
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.3e-06
      - temperature_range: 293 573
        value: 6.8e-06
    dPgF: -0.0066
    resistance:
        climatic: 1.0
        stain: 4.0
        acid: 4.0