Contents [Optica Applicata, Vol. 45, 2015, nr 3]

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INTERNATIONAL ADVISORY BOARD

OLEG V. ANGELSKY, Chernivtsy University, Ukraine

YASUHIKO ARAKAWA, The University of Tokyo, Japan

IVAN GLESK, University of Strathclyde, UK

CHRISTOPHE GORECKI, FEMTO-ST, Besançon, France

EUGENIUSZ JAGOSZEWSKI (Chairman), Wrocław University of Technology, Poland

ROMUALD JÓŹWICKI, Warsaw University of Technology, Poland

FRANCISZEK KACZMAREK, Adam Mickiewicz University, Poznań, Poland

BOLESŁ AW KĘDZIA, Poznań University of Medical Sciences, Poland

MAŁ GORZATA KUJAWIŃSKA, Warsaw University of Technology, Poland

NORBERT LINDLEIN, University of Erlangen–Nürnberg, Germany

MIROSLAV MILER, Institute of Photonics and Electronics of the ASCR, v.v.i., Prague, Czech Republic

JAN MISIEWICZ, Wrocław University of Technology, Poland

WŁ ODZIMIERZ NAKWASKI, Technical University of Łódź, Poland

WOLFGANG OSTEN, Universität Stuttgart, Germany

JAN PEŘINA, Palacký University, Olomouc, Czech Republic

BARBARA PIERŚCIONEK, University of Ulster, UK

COLIN SHEPPARD, National University of Singapore

CONCITA SIBILIA, Università di Roma “La Sapienza”, Italy

TADEUSZ STACEWICZ, University of Warsaw, Poland

TOMASZ WOLIŃSKI, Warsaw University of Technology, Poland

JAN WÓJCIK, Maria Curie-Skłodowska University in Lublin, Poland

PAVEL ZEMANEK, Institute of Scientific Instruments of the ASCR, v.v.i., Brno, Czech Republic

HONORARY EDITORIN CHIEF – MIRON GAJ

EDITORIN CHIEF – WACŁAW URBAŃCZYK

VICE-EDITOR – AGNIESZKA POPIOŁEK-MASAJADA

KRZYSZTOF ABRAMSKI,

Wrocław University of Technology, Poland Fiber optics and optical communication,spectroscopy, lasers and their applications TADEUSZ PUSTELNY,

Silesian University of Technology, Gliwice, Poland

Integrated optics, acoustooptics, microoptics, optical instrumentation, optical measurements, optical sensing

TOMASZ SZOPLIK,

Warsaw University, Poland Nanooptics, plasmonics, optical imaging, opticalcomputing, optical data storage and processing HENRYK KASPRZAK,

Wrocław University of Technology, Poland Holography, diffraction and gratings, biooptics,medical optics, optometry, optical imaging, Fourier optics

EWA WEINERT-RĄCZKA,

Szczecin University of Technology, Poland Nonlinear optics, optical waveguides, photoniccrystals

OPTICA

APPLICATA

The quarterly

of the Faculty of Fundamental Problems of Technology Wrocław University of Technology, Poland PL ISSN 0078-5466 Index 367729

OPTICA

APPLICATA

Contents

Diffractive optics

Optical vortices applications

Fiber-optic sensors

Fiber optics

Fiber lasers

Photonic crystals applications

In commemoration of Professor Miron Gaj . . . 277

Three-port beam splitter based on a sandwiched grating with an improved aspect ratio

WENHAO SHU, BO WANG, HONGTAO LI, WENHUA LI, LI CHEN, LIANG LEI, JINYUN ZHOU . . . . 279

Hybrid heptafocal intraocular lenses

M. SOKOŁOWSKI, J. PNIEWSKI, R. BRYGOŁA, M. KOWALCZYK-HERNÁNDEZ . . . 285

Dynamic evolution and classification of coherent vortices in atmospheric turbulence

JUN ZENG, JINHONG LI . . . 299

Polygonal micro-whirlpools induced in ferrofluids

M. BACIA, W. LAMPERSKA, J. MASAJADA, S. DROBCZYŃSKI, M. MARC . . . 309

Fiber-optic accelerometer based on a modal interferometer using a thin-core fiber

XUE WANG, XUQIANG WU, SHILI LI, QIANG GE, TIANBO HE, BENLI YU . . . 317

All-optical sensor based on nonlinear multimode interference coupler features

MEHDI TAJALDINI, MOHD Z.M. JAFRI . . . 327

Design and analysis of low bend losses of the air core optical fiber for wavelength selective devices V. PALODIYA, S.K. RAGHUWANSHI . . . 341

Multi-variable optimization of an ytterbium-doped fiber laser using genetic algorithm

S.S. HASHEMI, S. GHAVAMI SABOURI, A. KHORSANDI . . . 355

The optimization of the dielectric layer photonic crystal filter by the quadratic response surface methodology

HONGWEI YANG, SHANSHAN MENG, GAIYE WANG, CUIYING HUANG . . . 369

276

Microwave photonics

Light diffusing films

Metamaterials

Interferometric measurements

A novel approach to photonic generation of periodic triangular radio frequency waveforms

PENG XIANG, HAO GUO, DALEI CHEN, HUATAO ZHU, CHUANXIN WU . . . 381

Nano-silica reinforced hybrid light-diffusing films with enhanced mechanical and thermal properties

XIAOYING SUN, NA LI, JIANZHONG HANG, LUJIANG JIN, LIYI SHI, ZHANG CHENG, DAN SHANG 393

Theoretical investigation of slab waveguide sensor using anisotropic metamaterial

S.A. TAYA . . . 405

An electronic differential light wavelength sensor based on Michelson interferometer