# 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: | HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com) COMMENTS: | General glass Type DATA: - type: formula 3 wavelength_range: 0.36501 1.01398 coefficients: 2.6365277 -0.0097558464 2 0.017143665 -2 0.00022592497 -4 3.0855342e-06 -6 4.5831917e-07 -8 - type: tabulated k data: | 0.320 6.4637E-06 0.330 2.8641E-06 0.340 1.2890E-06 0.350 6.2499E-07 0.360 2.9548E-07 0.370 1.5413E-07 0.380 8.8991E-08 0.390 5.6372E-08 0.400 4.1652E-08 0.420 3.0216E-08 0.440 3.5190E-08 0.460 2.9402E-08 0.480 2.2987E-08 0.500 1.5947E-08 0.550 4.3790E-09 0.600 9.5589E-09 0.650 1.5541E-08 0.700 5.5732E-09 0.750 1.1949E-08 0.780 1.2427E-08 0.800 1.2745E-08 0.830 1.9845E-08 0.850 2.0323E-08 0.900 2.1518E-08 0.950 2.2714E-08 1.000 3.1895E-08 1.050 3.3490E-08 1.060 3.3809E-08 1.100 3.5084E-08 1.200 2.8691E-08 1.300 3.1082E-08 1.400 1.1197E-07 1.500 9.5877E-08 1.550 9.9073E-08 CONDITIONS: temperature: 293 PROPERTIES: thermal_dispersion: - type: formula A coefficients: 1.93796e-06 0.0 0.0 0.0 0.0 0.0 nd: 1.63854 Vd: 55.45 glass_code: 639555 density: - value: 3660 thermal_expansion: - temperature_range: 243 343 value: 6.9e-06 - temperature_range: 293 573 value: 8.1e-06 dPgF: -0.0011 resistance: climatic: 1.0 stain: 4.0 acid: 4.0