# 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: |
    Recommended glass type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 3.396108 -0.013087065 2 0.034853516 -2 0.00079083177 -4 7.6995212e-06 -6 2.3516742e-06 -8
  - type: tabulated k
    data: |
        0.320 1.0530E-05
        0.330 5.1819E-06
        0.340 2.7642E-06
        0.350 1.6500E-06
        0.360 1.0055E-06
        0.370 6.5702E-07
        0.380 4.4205E-07
        0.390 3.0637E-07
        0.400 2.2416E-07
        0.420 1.4341E-07
        0.440 1.0304E-07
        0.460 7.7690E-08
        0.480 5.3854E-08
        0.500 3.9989E-08
        0.550 1.7542E-08
        0.600 1.4345E-08
        0.650 1.0355E-08
        0.700 5.5732E-09
        0.750 5.9713E-09
        0.780 6.2101E-09
        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 1.9118E-08
        1.300 2.0711E-08
        1.400 2.2304E-08
        1.500 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.82e-07 8.11e-09 -2.84e-11 9.6e-07 9.61e-10 0.141
    nd: 1.87070
    Vd: 40.73
    glass_code: 871407
    glass_status: standard
    density:
      - value: 4840
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: -0.0067
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 2.0