# 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: 3.1171483 -0.011616277 2 0.044864975 -2 0.0016588491 -4 2.5716854e-05 -6 1.4757657e-05 -8
  - type: tabulated k
    data: |
        0.360 1.2441E-05
        0.370 4.3018E-06
        0.380 1.5802E-06
        0.390 6.9253E-07
        0.400 3.6736E-07
        0.420 1.6441E-07
        0.440 1.1026E-07
        0.460 8.5176E-08
        0.480 6.9381E-08
        0.500 5.6098E-08
        0.550 3.0745E-08
        0.600 3.8351E-08
        0.650 3.6335E-08
        0.700 3.9130E-08
        0.750 2.9916E-08
        0.780 1.8649E-08
        0.800 1.2745E-08
        0.830 6.6082E-09
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 2.5105E-08
        1.060 2.5344E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 2.0711E-08
        1.400 2.2304E-08
        1.500 4.7842E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -5.29e-06 9.6e-09 -5.1e-11 1.06e-06 1.34e-09 0.282
    nd: 1.80518
    Vd: 25.46
    glass_code: 805255
    glass_status: standard
    density:
      - value: 3360
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.8e-06
      - temperature_range: 293 573
        value: 1.09e-05
    dPgF: 0.0132
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0