# 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: 2.2668912 -0.0093866212 2 0.012174195 -2 0.0005076903 -4 -3.3573414e-05 -6 2.9059013e-06 -8
  - type: tabulated k
    data: |
        0.340 5.1329E-06
        0.350 1.6199E-06
        0.360 4.7571E-07
        0.370 1.8532E-07
        0.380 1.0147E-07
        0.390 6.9040E-08
        0.400 5.7818E-08
        0.420 5.0514E-08
        0.440 4.9366E-08
        0.460 5.1610E-08
        0.480 4.2250E-08
        0.500 3.9989E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.750 1.1949E-08
        0.780 1.2427E-08
        0.800 1.2745E-08
        0.830 1.3223E-08
        0.850 1.3542E-08
        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 1.7525E-08
        1.200 1.9118E-08
        1.300 4.1463E-08
        1.400 5.5844E-08
        1.500 5.9833E-08
        1.550 8.6645E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.62453e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.51742
    Vd: 52.15
    glass_code: 517522
    density:
      - value: 2430
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.2e-06
      - temperature_range: 293 573
        value: 9.2e-06
    dPgF: 0.0045
    resistance:
        climatic: 2.0
        stain: 1.0
        acid: 1.0