# 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: |
    General glass Type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.4861499 -0.0095684845 2 0.014685059 -2 -0.00011216487 -4 4.1978777e-05 -6 -1.885619e-06 -8
  - type: tabulated k
    data: |
        0.290 6.5314E-06
        0.300 3.9773E-06
        0.310 2.3419E-06
        0.320 1.3436E-06
        0.330 7.4848E-07
        0.340 4.2069E-07
        0.350 2.2619E-07
        0.360 1.2891E-07
        0.370 7.1527E-08
        0.380 4.5703E-08
        0.390 3.1191E-08
        0.400 1.9156E-08
        0.420 1.6753E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.1476E-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 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 2.2508E-07
        1.500 7.1835E-08
        1.550 7.4230E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.09e-06 1.25e-08 -4.95e-11 5.43e-07 5.6e-10 1.57e-09
    nd: 1.58913
    Vd: 61.25
    glass_code: 589613
    density:
      - value: 3270
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.5e-06
      - temperature_range: 293 573
        value: 6.9e-06
    dPgF: 0.0024
    resistance:
        climatic: 2.0
        stain: 3.0
        acid: 3.0