# 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: 2.5393255 -0.0087207883 2 0.015909566 -2 8.8163036e-05 -4 2.5876593e-05 -6 -1.1733523e-06 -8
  - type: tabulated k
    data: |
        0.310 3.4199E-06
        0.320 3.3342E-06
        0.330 1.7682E-06
        0.340 9.6503E-07
        0.350 5.1897E-07
        0.360 2.7648E-07
        0.370 1.4793E-07
        0.380 9.5226E-08
        0.390 5.6372E-08
        0.400 4.1652E-08
        0.420 2.6846E-08
        0.440 2.1072E-08
        0.460 2.2030E-08
        0.480 1.1476E-08
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        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 1.3223E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 2.3909E-08
        1.050 2.5105E-08
        1.060 2.5344E-08
        1.100 2.6300E-08
        1.200 2.8691E-08
        1.300 3.1082E-08
        1.400 1.3450E-07
        1.500 5.9833E-08
        1.550 7.4230E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.25891e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.60738
    Vd: 56.71
    glass_code: 607567
    glass_status: special
    density:
      - value: 3530
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 7.2e-06
    dPgF: 0.002
    resistance:
        climatic: 2.0
        stain: 3.0
        acid: 3.0