# 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: |
    Recommended glass type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 3.1540011 -0.013256753 2 0.034103312 -2 0.0018472167 -4 -0.00010807332 -6 1.2975901e-05 -8
  - type: tabulated k
    data: |
        0.350 9.3372E-06
        0.360 3.3552E-06
        0.370 1.3003E-06
        0.380 5.8172E-07
        0.390 3.2699E-07
        0.400 1.8681E-07
        0.420 1.0870E-07
        0.440 7.7891E-08
        0.460 6.6490E-08
        0.480 5.7730E-08
        0.500 4.8035E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.750 2.3921E-08
        0.780 1.8649E-08
        0.800 2.5516E-08
        0.830 2.6473E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        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 2.3897E-08
        1.550 1.2341E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.02e-06 7.39e-09 -1.85e-11 7.78e-07 6.81e-10 0.268
    nd: 1.80610
    Vd: 33.27
    glass_code: 806333
    glass_status: standard
    density:
      - value: 3470
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.1e-06
      - temperature_range: 293 573
        value: 9.1e-06
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0