# 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: 2.8951998 -0.011701218 2 0.022126485 -2 0.00038494791 -4 -7.9808302e-06 -6 1.5035116e-06 -8
  - type: tabulated k
    data: |
        0.300 7.3508E-06
        0.310 3.5001E-06
        0.320 1.8903E-06
        0.330 1.1313E-06
        0.340 7.0014E-07
        0.350 4.2656E-07
        0.360 2.4823E-07
        0.370 1.5103E-07
        0.380 9.2107E-08
        0.390 6.5868E-08
        0.400 4.8108E-08
        0.420 3.0216E-08
        0.440 2.1072E-08
        0.460 2.2030E-08
        0.480 1.5310E-08
        0.500 1.5947E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.750 1.1949E-08
        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 2.2304E-08
        1.500 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.44934e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.72000
    Vd: 50.34
    glass_code: 720503
    glass_status: special
    density:
      - value: 3870
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.4e-06
      - temperature_range: 293 573
        value: 9.1e-06
    dPgF: -0.0075
    resistance:
        climatic: 1.0
        stain: 4.0
        acid: 4.0