# 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: 3.4943369 -0.013647624 2 0.03883317 -2 0.0011132555 -4 -7.402237e-06 -6 5.3027754e-06 -8
  - type: tabulated k
    data: |
        0.350 6.9659E-06
        0.360 2.8952E-06
        0.370 1.5188E-06
        0.380 8.9016E-07
        0.390 5.6708E-07
        0.400 3.9247E-07
        0.420 2.2821E-07
        0.440 1.6122E-07
        0.460 1.2284E-07
        0.480 8.8880E-08
        0.500 6.4177E-08
        0.550 3.5155E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 2.7922E-08
        0.750 2.9916E-08
        0.780 2.4878E-08
        0.800 1.9127E-08
        0.830 1.3223E-08
        0.850 2.0323E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.050 8.3598E-09
        1.060 8.4394E-09
        1.100 8.7579E-09
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 1.1146E-08
        1.500 2.3897E-08
        1.550 1.2341E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.06e-06 9.55e-09 -8.39e-12 7.47e-07 7.08e-10 0.249
    nd: 1.90043
    Vd: 37.37
    glass_code: 900374
    density:
      - value: 5190
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: -0.0038
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0