T
OPICALE
DITORSINTERNATIONAL 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
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
Optical communication
Acusto-optics
Nonlinear optics
Image processing
Laser processing
Electroluminescence
Converged ultra-wideband and multi-level wired signal downstream transport over single wavelength in wavelength-division multiplexing passive optical network
HUAN MA, FEI WANG, WEIBIN WANG, XIN ZHANG, QIONG YU . . . 433
Study of all-optical logic XOR gate based on linear optical amplifier cross-gain modulation
XI LI, JIE JIN, HAITAO LI, QIANG ZHANG . . . 447
Timing measurement and simulation of the activation process in gigabit passive optical networks T. HORVATH, P. MUNSTER, M. JURCIK, L. KOCI, M. FILKA . . . 459
Performance analysis of optimized non-zero dispersion shifted fiber without amplification and without dispersion compensation for wavelength division multiplexing optical networks
R. PRIYA, A. SIVANANTHARAJA, S. SELVENDRAN . . . 473
Estimation of acoustically induced refractive index perturbation in silicon and germanium slab for optical applications
G. SHARMA, S. KUMAR, D. KUMAR, V. SINGH . . . 491
Absorption coefficient along a propagated ultra-short laser pulse in the air based on Kramers –Kronig relations
M. MALEKSHAHI, K. NAGHAVI . . . 501
A simple and practical color image encryption with the help of QR code
XIAOPENG DENG, XIANG ZHU . . . 513
Feature extraction of molten pool for laser welding quality real-time inspection
JIAN ZHANG, HUIJUAN YIN, HE HUANG, RUI YANG, JICHUN YANG, YINGXIN LI . . . 523
Electroluminescence of InGaN/GaN heterostructures at the reverse bias and nitrogen temperature V. VELESCHUK, A. VLASENKO, M. KISSELYUK, Z. VLASENKO, D. KHMIL’, V. BORSHCH . . . 535
432
Neural networks applications
Objects recognitions
Thin-films
Transparent ceramics
Predicting emission spectra of fluorescent materials from their absorbance spectra using the artificial neural network
A. SHAMS-NATERI, N. PIRI . . . 545
Significance of features in object recognition using depth sensors
B. HARASYMOWICZ-BOGGIO, Ł. CHECHLIŃSKI, B. SIEMIĄTKOWSKA . . . 559
The impact of atomic layer deposition technological parameters on optical properties and morphology of Al2O3 thin films
L.A. DOBRZAŃSKI, M. SZINDLER, M. SZINDLER, B. HAJDUK, S. KOTOWICZ . . . 573
Transparent yttrium oxide ceramics as potential optical isolator materials
