# 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: |
    General glass Type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.6934245 -0.008637014 2 0.02049645 -2 -9.3205453e-05 -4 6.2709747e-05 -6 -2.0834652e-06 -8
  - type: tabulated k
    data: |
        0.330 8.5194E-06
        0.340 3.8839E-06
        0.350 1.8053E-06
        0.360 8.3563E-07
        0.370 4.0328E-07
        0.380 2.0971E-07
        0.390 1.2023E-07
        0.400 6.7557E-08
        0.420 4.0350E-08
        0.440 3.5190E-08
        0.460 2.9402E-08
        0.480 1.9146E-08
        0.500 1.1955E-08
        0.550 4.3790E-09
        0.600 1.4345E-08
        0.650 2.5928E-08
        0.700 1.1152E-08
        0.750 1.1949E-08
        0.780 1.2427E-08
        0.800 1.2745E-08
        0.830 1.3223E-08
        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 8.7579E-09
        1.200 9.5541E-09
        1.300 2.0711E-08
        1.400 5.5844E-08
        1.500 5.9833E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.34101e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.65844
    Vd: 50.86
    glass_code: 658509
    density:
      - value: 3640
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 8.9e-06
    dPgF: 0.0008
    resistance:
        climatic: 1.0
        stain: 3.0
        acid: 3.0