# 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: 2.2725452 -0.008410491 2 0.011306843 -2 0.00037782297 -4 -2.6903423e-05 -6 1.5976489e-06 -8
  - type: tabulated k
    data: |
        0.280 8.8309E-06
        0.290 4.5046E-06
        0.300 2.0597E-06
        0.310 8.3795E-07
        0.320 3.5170E-07
        0.330 1.8493E-07
        0.340 8.5202E-08
        0.350 7.0515E-08
        0.360 2.5900E-08
        0.370 4.7491E-08
        0.380 3.6507E-08
        0.390 2.8058E-08
        0.400 3.5208E-08
        0.420 3.3591E-08
        0.440 2.4596E-08
        0.460 2.5714E-08
        0.480 3.0681E-08
        0.500 2.7950E-08
        0.550 2.6340E-08
        0.600 1.9137E-08
        0.650 2.5928E-08
        0.700 1.6736E-08
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 6.3694E-09
        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 2.6300E-08
        1.200 2.8691E-08
        1.300 4.1463E-08
        1.400 4.4653E-08
        1.500 1.0792E-07
        1.550 1.1151E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.24608e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.51823
    Vd: 58.96
    glass_code: 518590
    density:
      - value: 2530
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.9e-06
      - temperature_range: 293 573
        value: 1.22e-05
    dPgF: 0.002
    resistance:
        climatic: 2.0
        stain: 1.0
        acid: 1.0