# 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: 2.7324621 -0.01249046 2 0.018562334 -2 0.00099990536 -4 -6.8388552e-05 -6 4.9257931e-06 -8
  - type: tabulated k
    data: |
        0.340 8.1054E-06
        0.350 3.1736E-06
        0.360 1.4161E-06
        0.370 7.3156E-07
        0.380 3.8656E-07
        0.390 2.5541E-07
        0.400 1.5992E-07
        0.420 1.0525E-07
        0.440 9.9438E-08
        0.460 6.6490E-08
        0.480 5.3854E-08
        0.500 3.9989E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.13489e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.67003
    Vd: 47.19
    glass_code: 670472
    glass_status: special
    density:
      - value: 3610
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 8.6e-06
    dPgF: 0.0007
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 2.0