# 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=\"http://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: 2.7324621 -0.01249046 2 0.018562334 -2 0.00099990536 -4 -6.8388552e-05 -6 4.9257931e-06 -8
  - type: tabulated k
    data: |
        0.340 8.1054E-06
        0.350 3.1736E-06
        0.360 1.4161E-06
        0.370 7.3156E-07
        0.380 3.8656E-07
        0.390 2.5541E-07
        0.400 1.5992E-07
        0.420 1.0525E-07
        0.440 9.9438E-08
        0.460 6.6490E-08
        0.480 5.3854E-08
        0.500 3.9989E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 6.13489e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.67003
    Vd: 47.19
    glass_code: 670472
    glass_status: special
    density: 3.61 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 7.2e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 8.6e-06 K<sup>-1</sup>
    dPgF: 0.0007
    climatic_resistance: 1.0
    stain_resistance: 1.0
    acid_resistance: 2.0
