# 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: 4.0113202 -0.017752009 2 0.05856933 -2 0.0043200932 -4 -0.00031070842 -6 3.7485638e-05 -8
  - type: tabulated k
    data: |
        0.370 7.1897E-06
        0.380 3.8494E-06
        0.390 2.3498E-06
        0.400 1.5786E-06
        0.420 8.2614E-07
        0.440 4.9567E-07
        0.460 3.3318E-07
        0.480 2.3229E-07
        0.500 1.5414E-07
        0.550 4.8411E-08
        0.600 2.8734E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.750 1.7932E-08
        0.780 1.8649E-08
        0.800 1.9127E-08
        0.830 6.6082E-09
        0.850 6.7675E-09
        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 2.2304E-08
        1.500 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -6.69e-07 9.68e-09 -3.75e-11 1.14e-06 1.22e-09 0.264
    nd: 2.05090
    Vd: 26.94
    glass_status: standard
    density:
      - value: 5270
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.3e-06
      - temperature_range: 293 573
        value: 8.9e-06
    dPgF: 0.0055
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0