# 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: 3.070806 -0.012276924 2 0.02456566 -2 0.00047436648 -4 5.432616e-07 -6 6.5976661e-07 -8
  - type: tabulated k
    data: |
        0.280 6.8129E-06
        0.290 4.9713E-06
        0.300 4.0413E-06
        0.310 3.9458E-06
        0.320 2.0561E-06
        0.330 1.3502E-06
        0.340 8.4779E-07
        0.350 5.1561E-07
        0.360 3.0184E-07
        0.370 1.7593E-07
        0.380 1.0460E-07
        0.390 6.9040E-08
        0.400 4.8108E-08
        0.420 3.3591E-08
        0.440 2.8124E-08
        0.460 2.2030E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.750 1.1949E-08
        0.780 1.2427E-08
        0.800 1.2745E-08
        0.830 6.6082E-09
        0.850 6.7675E-09
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.050 1.6728E-08
        1.060 1.6887E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 2.0711E-08
        1.400 3.3473E-08
        1.500 4.7842E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.46184e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.77250
    Vd: 49.47
    glass_code: 773495
    glass_status: special
    density:
      - value: 4830
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.6e-06
      - temperature_range: 293 573
        value: 9e-06
    dPgF: -0.0052
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 3.0