# 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: 2.6490884 -0.014159869 2 0.014451135 -2 0.00052707873 -4 -4.3447523e-05 -6 2.4612971e-06 -8
  - type: tabulated k
    data: |
        0.280 5.6278E-06
        0.290 4.0892E-06
        0.300 2.9552E-06
        0.310 2.0820E-06
        0.320 1.4314E-06
        0.330 9.3665E-07
        0.340 6.0374E-07
        0.350 3.8787E-07
        0.360 2.3265E-07
        0.370 1.4483E-07
        0.380 9.5226E-08
        0.390 6.5868E-08
        0.400 4.8108E-08
        0.420 3.3591E-08
        0.440 2.4596E-08
        0.460 2.2030E-08
        0.480 1.5310E-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 1.2745E-08
        0.830 1.3223E-08
        0.850 6.7675E-09
        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 1.9118E-08
        1.300 2.0711E-08
        1.400 1.0072E-07
        1.500 9.5877E-08
        1.550 8.6645E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.28907e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.64000
    Vd: 60.20
    glass_code: 640602
    glass_status: special
    density:
      - value: 3020
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.8e-06
    dPgF: -0.0039
    resistance:
        climatic: 3.0
        stain: 5.0
        acid: 4.0