# 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: 2.7617586 -0.011254039 2 0.028221737 -2 0.0017540315 -4 -0.00012127053 -6 1.5522384e-05 -8
  - type: tabulated k
    data: |
        0.360 9.4447E-06
        0.370 3.4674E-06
        0.380 1.3495E-06
        0.390 6.0834E-07
        0.400 3.2126E-07
        0.420 1.3644E-07
        0.440 8.1473E-08
        0.460 7.0220E-08
        0.480 4.6114E-08
        0.500 5.2065E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.750 1.7932E-08
        0.780 1.8649E-08
        0.800 1.9127E-08
        0.830 1.9845E-08
        0.850 2.0323E-08
        0.900 1.4338E-08
        0.950 7.5636E-09
        1.000 1.5931E-08
        1.050 8.3598E-09
        1.060 1.6887E-08
        1.100 1.7525E-08
        1.200 9.5541E-09
        1.300 2.0711E-08
        1.400 4.4653E-08
        1.500 4.7842E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.08706e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.68893
    Vd: 31.16
    glass_code: 689312
    density:
      - value: 2970
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.3e-06
      - temperature_range: 293 573
        value: 1.12e-05
    dPgF: 0.0067
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0