# 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: |
    Not in a position to accept new order because of discontinuation.
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.8817481 -0.015730804 2 0.017690493 -2 0.001052669 -4 -9.909308e-05 -6 5.5248378e-06 -8
  - type: tabulated k
    data: |
        0.290 6.9134E-06
        0.300 5.2695E-06
        0.310 4.3712E-06
        0.320 2.6734E-06
        0.330 1.7682E-06
        0.340 1.1242E-06
        0.350 6.9202E-07
        0.360 4.3208E-07
        0.370 2.3911E-07
        0.380 1.4875E-07
        0.390 1.0094E-07
        0.400 7.4066E-08
        0.420 4.7122E-08
        0.440 3.5190E-08
        0.460 2.5714E-08
        0.480 1.9146E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.750 1.1949E-08
        0.780 1.2427E-08
        0.800 6.3694E-09
        0.830 1.3223E-08
        0.850 1.3542E-08
        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 9.5541E-09
        1.300 1.0350E-08
        1.400 4.4653E-08
        1.500 4.7842E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.47002e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.71300
    Vd: 53.94
    glass_code: 713539
    glass_status: special
    density:
      - value: 3900
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 7.9e-06
    dPgF: -0.0064
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 4.0