# 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: 2.4095163 -0.0091904415 2 0.012939968 -2 0.0002346143 -4 -1.1130589e-05 -6 1.0131863e-06 -8
  - type: tabulated k
    data: |
        0.280 9.0788E-06
        0.290 5.3841E-06
        0.300 3.0561E-06
        0.310 1.6322E-06
        0.320 8.9738E-07
        0.330 4.7669E-07
        0.340 2.7008E-07
        0.350 1.6051E-07
        0.360 4.6207E-08
        0.370 4.4500E-08
        0.380 2.1242E-08
        0.390 1.5557E-08
        0.400 9.5636E-09
        0.420 1.0042E-08
        0.440 1.4034E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        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 2.2714E-08
        1.000 2.3909E-08
        1.050 2.5105E-08
        1.060 2.5344E-08
        1.100 2.6300E-08
        1.200 3.8274E-08
        1.300 4.1463E-08
        1.400 2.3645E-07
        1.500 9.5877E-08
        1.550 1.1151E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.66577e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.56384
    Vd: 60.83
    glass_code: 564608
    glass_status: special
    density:
      - value: 3070
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.6e-06
      - temperature_range: 293 573
        value: 7.8e-06
    dPgF: 0.002
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 2.0