# 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: 3.4958125 -0.014342354 2 0.037807251 -2 0.0014184073 -4 -4.6470269e-05 -6 6.919444e-06 -8
  - type: tabulated k
    data: |
        0.350 5.3592E-06
        0.360 2.6538E-06
        0.370 1.3933E-06
        0.380 8.6993E-07
        0.390 5.7454E-07
        0.400 4.0691E-07
        0.420 2.3896E-07
        0.440 1.6489E-07
        0.460 1.1905E-07
        0.480 8.8880E-08
        0.500 6.0135E-08
        0.550 2.6340E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.7922E-08
        0.750 2.3921E-08
        0.780 2.4878E-08
        0.800 2.5516E-08
        0.830 6.6382E-08
        0.850 6.7981E-08
        0.900 8.6463E-08
        0.950 9.8923E-08
        1.000 1.0413E-07
        1.050 1.0934E-07
        1.060 1.1893E-07
        1.100 1.2342E-07
        1.200 1.4432E-07
        1.300 1.5635E-07
        1.400 1.7969E-07
        1.500 2.2898E-07
        1.550 2.3661E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.28e-07 8.14e-09 -5.08e-11 8.44e-07 7.6e-10 0.225
    nd: 1.90043
    Vd: 37.37
    glass_code: 900374
    glass_status: standard
    density:
      - value: 4900
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
      - temperature_range: 293 573
        value: 8.5e-06
    dPgF: -0.0043
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0