# 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: |
    General glass Type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.4465754 -0.010107041 2 0.017759132 -2 0.00087970259 -4 -5.7014929e-05 -6 6.0924663e-06 -8
  - type: tabulated k
    data: |
        0.350 9.5868E-06
        0.360 3.2198E-06
        0.370 1.0840E-06
        0.380 4.1071E-07
        0.390 1.8873E-07
        0.400 1.0681E-07
        0.420 4.3734E-08
        0.440 3.8729E-08
        0.460 2.5714E-08
        0.480 2.2987E-08
        0.500 1.5947E-08
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 1.0355E-08
        0.700 5.5732E-09
        0.750 1.1949E-08
        0.780 1.2427E-08
        0.800 1.2745E-08
        0.830 1.3223E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 7.9617E-09
        1.050 1.6728E-08
        1.060 1.6887E-08
        1.100 1.7525E-08
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 7.8260E-08
        1.500 7.1835E-08
        1.550 8.6645E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.75e-06 1.66e-08 -9.67e-11 6.44e-07 4.37e-10 0.264
    nd: 1.58144
    Vd: 40.89
    glass_code: 581409
    density:
      - value: 2590
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.9e-06
      - temperature_range: 293 573
        value: 9.1e-06
    dPgF: 0.002
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0