# 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: 2.8789799 -0.008729237 2 0.024425656 -2 4.5491773e-05 -4 4.2802928e-05 -6 -7.2834306e-07 -8
  - type: tabulated k
    data: |
        0.320 9.9619E-06
        0.330 4.3612E-06
        0.340 2.1010E-06
        0.350 1.0742E-06
        0.360 5.6852E-07
        0.370 3.1022E-07
        0.380 1.7747E-07
        0.390 1.1057E-07
        0.400 8.0589E-08
        0.420 4.7122E-08
        0.440 4.5817E-08
        0.460 3.3094E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 5.5732E-09
        0.750 1.7932E-08
        0.780 1.8649E-08
        0.800 2.5516E-08
        0.830 1.9845E-08
        0.850 2.0323E-08
        0.900 2.1518E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 2.5105E-08
        1.060 2.5344E-08
        1.100 2.6300E-08
        1.200 1.9118E-08
        1.300 3.1082E-08
        1.400 4.4653E-08
        1.500 5.9833E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.75538e-07 0.0 0.0 0.0 0.0 0.0
    nd: 1.71700
    Vd: 47.98
    glass_code: 717480
    density:
      - value: 4200
    thermal_expansion:
      - temperature_range: 243 343
        value: 8e-06
      - temperature_range: 293 573
        value: 9.3e-06
    dPgF: -0.0063
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 4.0