# 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: 2.8778537 -0.013832906 2 0.020301185 -2 0.00027759871 -4 5.905983e-06 -6 1.7747647e-07 -8
  - type: tabulated k
    data: |
        0.280 3.8209E-06
        0.290 2.7328E-06
        0.300 2.0093E-06
        0.310 1.4703E-06
        0.320 1.0466E-06
        0.330 7.1723E-07
        0.340 4.7819E-07
        0.350 3.2770E-07
        0.360 2.0175E-07
        0.370 1.1407E-07
        0.380 7.3460E-08
        0.390 5.9534E-08
        0.400 4.4878E-08
        0.420 4.3734E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 7.9657E-09
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.5541E-08
        0.700 5.5732E-09
        0.750 1.1949E-08
        0.780 1.2427E-08
        0.800 6.3694E-09
        0.830 6.6082E-09
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        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 1.1197E-07
        1.500 1.1997E-07
        1.550 1.1151E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.58776e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.71300
    Vd: 53.94
    glass_code: 713539
    glass_status: standard
    density:
      - value: 3810
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.9e-06
      - temperature_range: 293 573
        value: 7.2e-06
    dPgF: -0.007
    resistance:
        climatic: 1.0
        stain: 3.0
        acid: 4.0