# 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: 4.1120387 -0.01822767 2 0.089852105 -2 0.00787144 -4 -0.00052228008 -6 0.00011773061 -8
  - type: tabulated k
    data: |
        0.420 8.4001E-06
        0.440 1.9682E-06
        0.460 7.5333E-07
        0.480 4.4084E-07
        0.500 3.1020E-07
        0.550 1.5593E-07
        0.600 8.6727E-08
        0.650 6.2446E-08
        0.700 4.4743E-08
        0.750 4.1925E-08
        0.780 3.7354E-08
        0.800 3.8312E-08
        0.830 3.3107E-08
        0.850 3.3905E-08
        0.900 2.8705E-08
        0.950 3.0300E-08
        1.000 3.1895E-08
        1.050 2.5105E-08
        1.060 2.5344E-08
        1.100 1.7525E-08
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 1.1146E-08
        1.500 5.9833E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.98e-06 1.44e-08 -3.95e-11 2.17e-06 2.05e-09 0.302
    nd: 2.10420
    Vd: 17.02
    glass_code: 104170
    density:
      - value: 5630
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: 0.0455
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0