# 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: | K. Moutzouris, I. Stavrakas, D. Triantis, M. Enculescub. Temperature-dependent refractive index of potassium acid phthalate (KAP) in the visible and near-infrared. Opt. Mater. 33, 812-816 (2011) COMMENTS: | nβ; 24.5 °C (see the original publication for temperature-dependent dispersion formula). CONDITIONS: temperature: 277.65 direction: beta DATA: - type: formula 4 wavelength_range: 0.450 1.551 coefficients: 2.670444937 0.031617528 0 0.208293225 2 0 0 0 1 -0.004014395 2