# 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: "General glass Type"
DATA:
  - type: formula 3 
    wavelength_range: 0.36501 1.01398
    coefficients: 2.4743324 -0.010955338 2 0.019293801 -2 0.0014497732 -4 -0.00011038744 -6 1.1136008e-05 -8
  - type: tabulated k
    data: |
        0.350 8.8294E-06
        0.360 2.8329E-06
        0.370 9.6315E-07
        0.380 3.9344E-07
        0.390 1.9534E-07
        0.400 1.1671E-07
        0.420 6.0709E-08
        0.440 4.2271E-08
        0.460 3.3094E-08
        0.480 3.0681E-08
        0.500 1.9944E-08
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 5.5732E-09
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -1.23666e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.59270
    Vd: 35.44
    glass_code: 593354
    density: 2.64 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.6e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 1.02e-05 K<sup>-1</sup>
    dPgF: 0.0081
    climatic_resistance: 1.0
    stain_resistance: 1.0
    acid_resistance: 1.0
