# 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: 2.7634844 -0.011068339 2 0.018246442 -2 0.00037697356 -4 -1.7788655e-05 -6 1.5314262e-06 -8
  - type: tabulated k
    data: |
        0.300 1.0994E-05
        0.310 8.6503E-06
        0.320 6.1318E-06
        0.330 3.9762E-06
        0.340 2.4123E-06
        0.350 1.4228E-06
        0.360 7.8620E-07
        0.370 4.4408E-07
        0.380 2.6202E-07
        0.390 1.5592E-07
        0.400 6.4307E-08
        0.420 4.7122E-08
        0.440 3.8729E-08
        0.460 2.2030E-08
        0.480 2.2987E-08
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        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 2.1518E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 2.5105E-08
        1.060 1.6887E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 2.0711E-08
        1.400 6.7046E-08
        1.500 8.3850E-08
        1.550 8.6645E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.10512e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.67790
    Vd: 55.52
    glass_code: 678555
    glass_status: special
    density:
      - value: 3800
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.7e-06
      - temperature_range: 293 573
        value: 9e-06
    dPgF: -0.0031
    resistance:
        climatic: 3.0
        stain: 5.0
        acid: 4.0