# 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: 2.4196645 -0.0083329314 2 0.01539739 -2 -0.00017391654 -4 6.218322e-05 -6 -3.062131e-06 -8
  - type: tabulated k
    data: |
        0.290 9.6919E-06
        0.300 5.5697E-06
        0.310 3.1315E-06
        0.320 1.7651E-06
        0.330 9.9737E-07
        0.340 5.6346E-07
        0.350 3.1832E-07
        0.360 1.8336E-07
        0.370 1.0795E-07
        0.380 7.3460E-08
        0.390 4.6905E-08
        0.400 3.8428E-08
        0.420 3.3591E-08
        0.440 3.1655E-08
        0.460 2.9402E-08
        0.480 2.2987E-08
        0.500 1.9944E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.750 1.7932E-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 2.0711E-08
        1.400 1.4578E-07
        1.500 5.9833E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 9.31e-06 1.09e-08 -5.68e-11 4.67e-07 7.99e-10 0.248
    nd: 1.56883
    Vd: 56.04
    glass_code: 569560
    density:
      - value: 2850
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.3e-06
      - temperature_range: 293 573
        value: 6.9e-06
    dPgF: 0.001
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0