# 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: 2.9657374 -0.0096571624 2 0.026024525 -2 0.00036684641 -4 2.8205551e-05 -6 -1.3739929e-07 -8
  - type: tabulated k
    data: |
        0.320 7.5287E-06
        0.330 3.9881E-06
        0.340 2.1605E-06
        0.350 1.1785E-06
        0.360 6.3568E-07
        0.370 3.2662E-07
        0.380 1.8711E-07
        0.390 1.1057E-07
        0.400 7.4066E-08
        0.420 5.0514E-08
        0.440 4.5817E-08
        0.460 3.6790E-08
        0.480 2.2987E-08
        0.500 1.5947E-08
        0.550 4.3790E-09
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.750 1.1949E-08
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 6.6082E-09
        0.850 6.7675E-09
        0.900 7.1656E-09
        0.950 7.5636E-09
        1.000 7.9617E-09
        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 2.2304E-08
        1.500 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.21119e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.74400
    Vd: 44.90
    glass_code: 744449
    density:
      - value: 4390
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 8.7e-06
    dPgF: -0.0044
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 3.0