# 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: 2.2702566 -0.0091988101 2 0.011609706 -2 -7.6123911e-05 -4 2.8558727e-05 -6 -1.2566486e-06 -8
  - type: tabulated k
    data: |
        0.280 8.0480E-06
        0.290 4.3627E-06
        0.300 2.2115E-06
        0.310 1.0551E-06
        0.320 5.1157E-07
        0.330 2.5923E-07
        0.340 1.4448E-07
        0.350 8.4835E-08
        0.360 3.1687E-08
        0.370 2.3650E-08
        0.380 2.1242E-08
        0.390 9.3246E-09
        0.400 6.3726E-09
        0.420 3.3439E-09
        0.440 7.0098E-09
        0.460 3.6624E-09
        0.480 7.6471E-09
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 6.6082E-09
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 3.3490E-08
        1.060 3.3809E-08
        1.100 4.3877E-08
        1.200 4.7866E-08
        1.300 6.2257E-08
        1.400 2.9349E-07
        1.500 8.3850E-08
        1.550 1.3643E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.25479e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.51680
    Vd: 64.20
    glass_code: 517642
    density:
      - value: 2520
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.6e-06
      - temperature_range: 293 573
        value: 9.3e-06
    dPgF: 0.0016
    resistance:
        climatic: 3.0
        stain: 1.0
        acid: 1.0