BULLETIN OF THE LEBEDEV PHYISICS INSTITUTE
P.N.Lebedev Physics Institute of the Russian Academy of sciences

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1. Title:
LUMINESCENCE OF ZnO FILMS IMPLANTED WITH Au+ IONS AND ANNEALED IN OXYGEN RADICALS
Authors:
A.N. Georgobiani, A.N. Gruzintsev, V.T. Volkov, A.N. Pustovit, V.I. Demin, V.A. Dravin, I.F. Gushchin.



Abstract:


2. Title:
TEMPERATURE DEPENDENCE OF THE LASING EFFICIENCY OF THE THREE-MICROMETER YAG:Er LASER
Authors:
V.P. Danilov, V.P. Kalinushkin, V.A. Lobachev, V.A. Nochevkin, M.I. Studenikin.



Abstract:


3. Title:
MEISSNER EFFECT IN THE UNDERDOPED YBa2Cu3O6+ HTSC PHASE
Authors:
K.V. Mitsen, O.M. Ivanenko, S.Y. Burkin.



Abstract:


4. Title:
PHOSPHORESCENCE OF A GADOLINIUM GALLIUM GARNET SINGLE CRYSTAL
Authors:
N.V. Vasileva, K.S. Gochelashvili, O.N. Evdokimova, G.F. Makarenko, V.V. Randoshkin.



Abstract:


5. Title:
STUDY OF DOMAINS IN GLOBULAR PHOTONIC CRYSTALS BY BRAGG REFLECTION OF LIGHT
Authors:
V.S. Gorelik, A.Y. Shenkarenko, N.I. Yurasov.



Abstract:


6. Title:
PLANAR LOW-CONTRAST BRAGG WAVEGUIDE WITH PERIODICALLY ARRANGED DELTA-FUNCTION WALLS
Authors:
R.M. Feshchenko, A.V. Vinogradov.



Abstract:
An analytical theory of planar low-contrast Bragg optical waveguides, based on representation of thin diffuse layers by delta functions, was developed. A dispersion relation for an optical waveguide with a small number of layers was derived. Losses were numerically calculated for an optical waveguide with parameters close to those of actual fiber, known from the literature. The presented model is more realistic than the model with sharp layer interfaces.