# 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: 3.4316955 -0.013156273 2 0.035631862 -2 0.00091378109 -4 -4.0366886e-06 -6 3.3867688e-06 -8
  - type: tabulated k
    data: |
        0.340 1.1024E-05
        0.350 4.9189E-06
        0.360 2.1998E-06
        0.370 1.1704E-06
        0.380 6.9754E-07
        0.390 4.5368E-07
        0.400 3.2126E-07
        0.420 1.9615E-07
        0.440 1.3929E-07
        0.460 1.0396E-07
        0.480 7.7169E-08
        0.500 5.6098E-08
        0.550 3.0745E-08
        0.600 2.3933E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.750 1.1949E-08
        0.780 6.2101E-09
        0.800 1.2745E-08
        0.830 2.6473E-08
        0.850 2.0323E-08
        0.900 2.1518E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 3.3490E-08
        1.060 2.5344E-08
        1.100 3.5084E-08
        1.200 3.8274E-08
        1.300 4.1463E-08
        1.400 5.5844E-08
        1.500 7.1835E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.04e-06 9.9e-09 -5.86e-11 9.55e-07 8.81e-10 0.159
    nd: 1.88100
    Vd: 40.14
    glass_code: 881401
    glass_status: standard
    density:
      - value: 5400
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.3e-06
    dPgF: -0.0059
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0