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Applied Optics

Olga Varlamova, Christian Martens, Markus Ratzke, Juergen ReifThe start and evolution of the formation of laser-induced periodic surface structures (LIPSS, ripples) are investigated. The important role of irradiation dose (fluence×number of pulses) for the properties of the generated structures is demonstrated. It is shown how, with an increasing dose, ... [Appl. Opt. 53, I10-I15 (2014)] 2014/10/02 - 19:25

Mahendra Pratap Singh, Mandeep Singh, Kedar KhareWe report a novel constrained optimization method for single shot interferogram analysis. The unknown test wavefront is estimated as a minimum L2-norm squared solution whose phase is constrained to the space spanned by a finite number of Zernike polynomials. Using a single frame from standard phase ... [Appl. Opt. 53, 6713-6718 (2014)] 2014/10/02 - 19:25

Muhammad Rafiq AbuturabA new optical interference-based multiple-image encryption using spherical wave illumination and gyrator transform is proposed. In this proposal, each secret color image is divided into normalized red, green, and blue component images and independently encoded into corresponding phase-only ... [Appl. Opt. 53, 6719-6728 (2014)] 2014/10/02 - 19:25

Nazmi A. Mohammed, Mohammad Solaiman, Moustafa H. AlyIn this work, various dispersion compensation methods are designed and evaluated to search for a cost-effective technique with remarkable dispersion compensation and a good pulse shape. The techniques consist of different chirp functions applied to a tanh fiber Bragg grating (FBG), a dispersion ... [Appl. Opt. 53, H239-H247 (2014)] 2014/10/02 - 19:25

Yu-Hung Huang, Hsiang-Chun Wei, Wei-Yao Hsu, Yuan-Chieh Cheng, Guo-Dung John SuMiniaturization is an essential trend in the design of portable devices. Motor-driven lens technology is a traditional way to achieve autofocus and optical zoom functions. This approach usually requires considerable space and consumes significant power. Reflective optics is a methodology that not ... [Appl. Opt. 53, H248-H256 (2014)] 2014/10/02 - 19:25

Souichiro Hioki, Hironobu IwabuchiBrightness and chromaticity profiles were extracted from a vivid solar corona image taken with a digital camera in Sendai, Japan, to compare with a radiative transfer simulation applying Lorenz–Mie theory and single-scattering approximation. The comparison revealed suspended particles having ... [Appl. Opt. 54, B12-B21 (2015)] 2014/10/02 - 19:25

Po-Chih Lin, Hung-Sheng Chang, Yi-Chun Chen, Chao-Wen LiangThe subaperture stitching interferometer is a flexible testing device that measures either high-numerical-aperture or large aperture optics without the requirement of additional auxiliary optics. In the measurement, the interferometer reference optics error can contaminate the stitched phase of the ... [Appl. Opt. 53, H220-H226 (2014)] 2014/10/02 - 19:25

Wen-Shing Sun, Chuen-Lin Tien, Chao-Hui Ma, Jui-Wen PanThe aim of this study is to design a compact LED projector that is divided into two systems: an illumination system and an imaging optical system. The illumination system consists of an RGB LED light source with a collimator lens group and a mirror with a color filter and a lens array integrator ... [Appl. Opt. 53, H227-H232 (2014)] 2014/10/02 - 19:25

Jung-Hung SunThis article demonstrates a method of tolerance reallocation via the Taguchi method for optical zoom lens design, which is based on the indicated specifications and corresponding tolerances derived from optical simulation in order to resolve the conventional dilemmas of performance between the ... [Appl. Opt. 53, H233-H238 (2014)] 2014/10/02 - 19:25

Huidong Dai, Guohua Gu, Weiji He, Fajian Liao, Jiayan Zhuang, Xingjiong Liu, Qian ChenThe theory of compressed sensing (CS) indicates that a signal that is sparse or compressible can be recovered from a relatively small number of nonadaptive linear measurements that is far below the Nyquist–Shannon limit. However, CS suffers from a huge stored and computational overhead when ... [Appl. Opt. 53, 6619-6628 (2014)] 2014/10/02 - 19:25

Yang Gao, Xingshu Wang, Zongsheng Huang, Dejun Zhan, Chunsheng HuWe propose a precise rolling angle measurement for a collimator to extend its application in 3D angular deformation measurement, with performance significantly superior to that of the traditional 2D technique. The rolling angle measurement is realized by taking full advantage of the point array ... [Appl. Opt. 53, 6629-6634 (2014)] 2014/10/02 - 19:25

Renaud Bastaits, David Alaluf, Mihaita Horodinca, Iulian Romanescu, Ioan Burda, Grégory Martic, Gonçalo Rodrigues, André PreumontWe discuss the concept of lightweight segmented bimorph mirrors for adaptive optics. The segment consists of a monocrystal silicon substrate actuated by an array of in-plane piezoceramic (PZT) actuators with honeycomb electrodes. We focus on technological aspects of the segment design that are ... [Appl. Opt. 53, 6635-6642 (2014)] 2014/10/02 - 19:25

Tarek A. Al-Saeed, Mohamed Y. Shalaby, Diaa A. KhalilIn this work, we propose a numerical technique to compensate for errors due to dispersion effects in Fourier domain optical coherence tomography. The proposed technique corrects for errors in depth measurements and resolution loss due to dispersion. The results show that, by using this technique, ... [Appl. Opt. 53, 6643-6653 (2014)] 2014/10/02 - 19:25

D. S. Chernykh, A. A. Krylov, A. E. Levchenko, V. V. Grebenyukov, N. R. Arutunyan, A. S. Pozharov, E. D. Obraztsova, E. M. DianovA soliton-type erbium-doped all-fiber ring laser hybrid mode-locked with a
co-action of arc-discharge single-walled carbon nanotubes (SWCNTs) and nonlinear
polarization evolution (NPE) is demonstrated. For the first time, to the best of
our knowledge, boron nitride-doped SWCNTs ... [Appl. Opt. 53, 6654-6662 (2014)] 2014/10/02 - 19:25

Xianchang Zhu, Song Hu, Lixin ZhaoBased on grating shearing interferometry, a simple technique is introduced for focal length measurements of a microlens-array (MLA). The measurement system is composed of a He–Ne laser, condenser, collimator, the MLA under testing, a Ronchi grating, and CCD sensor. The plane wavefront from ... [Appl. Opt. 53, 6663-6669 (2014)] 2014/10/02 - 19:25

Marius Peloux, Laurent BerthelotWe first explore the operating principle and optical performances of dioptric-power and astigmatism-variation lens doublets based on the L. W. Alvarez design. These fall within the scope of two ophthalmic applications: ophthalmic glasses for the correction of presbyopia, taking into account any ... [Appl. Opt. 53, 6670-6681 (2014)] 2014/10/02 - 19:25

Xuyou Li, Zhenlong Xu, Weiwei Ling, Pan LiuA novel (to our knowledge) type of photonic crystal fiber (PCF) with high nonlinearity and flattened dispersion is proposed. The propagation characteristics of chromatic dispersion, effective area, and nonlinearity are studied numerically by using the full-vector finite element method. Several PCF ... [Appl. Opt. 53, 6682-6687 (2014)] 2014/10/02 - 19:25

Nathan J. Kempema, Marshall B. LongThis work demonstrates structured laser illumination planar imaging (SLIPI) for Rayleigh thermometry with high background scattering. Two coherent laser beams were crossed to produce an interference pattern, from which the modulated Rayleigh signal was collected. The modulated signal serves as a ... [Appl. Opt. 53, 6688-6697 (2014)] 2014/10/02 - 19:25

Xiaoyan Niu, Yang Zheng, Yunlong Gu, Changming Chen, Zhenzhen Cai, Zuosen Shi, Fei Wang, Xiaoqiang Sun, Zhanchen Cui, Daming ZhangNovel thermo-optic waveguide gate switch arrays were designed and fabricated based on the direct UV-written technique. Highly fluorinated low-loss photopolymers and organic–inorganic grafting materials were used as the waveguide core and cladding, respectively. The low absorption loss ... [Appl. Opt. 53, 6698-6705 (2014)] 2014/10/02 - 19:25

Patrick Terrier, Jean Michel Charbois, Vincent DevlaminckPolarized light carries information about the various physical parameters that have been acting upon it. Obtaining information on the observed object by studying the polarization of light reflected can be accomplished by several methods. The four Stokes parameters of the reflected light wave (S_0, ... [Appl. Opt. 53, 6706-6712 (2014)] 2014/10/02 - 19:25

Ying Li, Pengcheng Li, Qiang ShenTracking a target in infrared (IR) sequences is a challenging task because of low resolution, low signal-to-noise ratios, occlusion, and poor target visibility. For many civil and military applications, the real-time requirement is always a key factor for tracking algorithms to be used. This ... [Appl. Opt. 53, 6518-6526 (2014)] 2014/09/27 - 12:16

Marie Lécureux, Stefan Enoch, Carole Deumié, Gérard TayebSunscreens protect from UV radiation, a carcinogen also responsible for sunburns and age-associated dryness. In order to anticipate the transmission of light through UV protection containing scattering particles, we implement electromagnetic models, using numerical methods for solving ... [Appl. Opt. 53, 6537-6545 (2014)] 2014/09/27 - 12:16

Ahmad Naseri Taheri, Hassan KaatuzianA compact nanoscale electro-plasmonic 1×2 switch based on asymmetrical metal–insulator–metal stub filters is introduced. The structure is designed and analyzed based on the transmission line method, and the switching operation of the device is numerically simulated and verified ... [Appl. Opt. 53, 6546-6553 (2014)] 2014/09/27 - 12:16

Daniel Schütze, Vitali Müller, Gerhard HeinzelFor the construction of high-precision optical assemblies, direction and position measurement and control of the involved laser beams are essential. While optical components such as beamsplitters and mirrors can be positioned and oriented accurately using coordinate measuring machines (CMMs), the ... [Appl. Opt. 53, 6503-6507 (2014)] 2014/09/27 - 12:16

Daniel Pätz, Tobias Deutschmann, Egbert Oesterschulze, Stefan SinzingerThe size of the aperture stop of a lens is a major parameter to define, e.g., the depth of focus of an optical imaging system. In conventional systems, totally absorbing apertures are generally assumed. Their optical performance can be easily described by a geometric ray model. We propose an ... [Appl. Opt. 53, 6508-6512 (2014)] 2014/09/27 - 12:16

Tianyan Yu, Dingquan Liu, Yang QinA broadband infrared beam splitter (BS) on ZnSe substrate used for the spaceborne interferometric infrared sounder (SIIRS) is studied in the spectral range of 4.44–15 μm. Both broadband antireflection coating and broadband beam-splitter coating in this BS are designed and tested. ... [Appl. Opt. 53, 6513-6517 (2014)] 2014/09/27 - 12:16

Tiancheng Gong, Yong Zhu, Wenbin Xie, Ning Wang, Jie Zhang, Wenjie RenModification of single-walled carbon nanotubes (SWNTs) on the surface of monocrystalline silicon solar cells was investigated. The modification was realized by dropping a well-distributed mixture of SWNTs and ethanol with different dosages on the surface of monocrystalline silicon solar cells in ... [Appl. Opt. 53, 6457-6463 (2014)] 2014/09/27 - 12:16

Kaveh HeidaryThis paper describes a computationally efficient method for boosting the performance of correlation filters. The correlation filter is augmented with an array of histograms and the associated affinity numbers, obtained from the training image set utilized in construction of the filter. In the ... [Appl. Opt. 53, 6464-6471 (2014)] 2014/09/27 - 12:16

Hukum Singh, A. K. Yadav, Sunanda Vashisth, Kehar SinghWe propose a method for fully phase image encryption based on double random-structured phase mask encoding in the gyrator transform (GT) domain. The security of the system is strengthened by parameters used in the construction of a structured phase mask (SPM) based on a devil’s vortex ... [Appl. Opt. 53, 6472-6481 (2014)] 2014/09/27 - 12:16

Lijun Xu, Lulu Chen, Xiaolu Li, Tao HeIn this paper, we propose a projective rectification method for infrared images obtained from the measurement of temperature distribution on an air-cooled condenser (ACC) surface by using projection profile features and cross-ratio invariability. In the research, the infrared (IR) images acquired ... [Appl. Opt. 53, 6482-6493 (2014)] 2014/09/27 - 12:16

Junjie Wang, Meng Wang, Jian Xu, Li Peng, Minghong Yang, Minghe Xia, Desheng JiangThis paper describes the theoretical and experimental aspects of an optical underwater shock wave sensor based on a polymer film optical fiber Fabry–Perot cavity manufactured by vacuum deposition technology. The transduction mechanism of the sensor involves a normally incident acoustic ... [Appl. Opt. 53, 6494-6502 (2014)] 2014/09/27 - 12:16

Fei Liu, Yanqiu LiThe high numerical aperture projection objective for industrial extreme ultraviolet lithography (EUVL) usually includes several mirrors with central obscuration in the light path. We apply the grouping design method on the spherical initial structure of central-obscured six–ten mirrors EUVL ... [Appl. Opt. 53, 6444-6451 (2014)] 2014/09/24 - 15:58

Lei Gao, Tao Zhu, Wei Huang, Jing ZengA vector dual-wavelength rectangular-shape laser (RSL) based on a long fiber taper deposited with reduced graphene oxide is proposed, where nonlinearity is enhanced due to a large evanescent-field-interacting length and strong field confinement of an 8 mm fiber taper with a waist diameter of ... [Appl. Opt. 53, 6452-6456 (2014)] 2014/09/24 - 15:58

Hui Geng, Jian-Guo Liu, Yabai He, Yu-Jun Zhang, Zhen-Yu Xu, Jun Ruan, Lu Yao, Rui-Feng KanThis paper reports the development of an experimental technique for optical remote sensing of broadband absorbers in ambient air. Broadband absorbers have been difficult to detect due to a lack of narrow absorption features, which makes it hard to separate them from interference with other ... [Appl. Opt. 53, 6399-6408 (2014)] 2014/09/24 - 15:58

Hailong Yu, Rumao Tao, Xiaolin Wang, Pu Zhou, Jinbao ChenWe report an all-fiber-integrated high-average-power square-shaped nanosecond pulse laser operating at 1068 nm based on the master oscillator power amplifier configuration. The seed source is a passively mode-locked Yb-doped fiber laser with fundamental cavity repetition rate of 1.86 MHz. ... [Appl. Opt. 53, 6409-6413 (2014)] 2014/09/24 - 15:58

Seyyed Esmail Hosseini, Ali BanaiThe noise performance of intensity-modulation direct-detection microwave photonic links (MWPL) operating under large-signal conditions has been studied in this paper. A sinusoidal signal plus narrowband white Gaussian noise is applied at the radio frequency input of the link, and the output ... [Appl. Opt. 53, 6414-6421 (2014)] 2014/09/24 - 15:58

Q. L. Guo, B. L. Liang, Y. Wang, G. Y. Deng, Y. H. Jiang, S. H. Zhang, G. S. Fu, P. J. SimmondsThe propagation characteristics of a focused laser beam in a SBN:75 photorefractive crystal strongly depend on the signal-to-background intensity ratio (R=I_s/I_b) under reverse external electric field. In the range 20>R>0.05, the laser beam shows enhanced self-defocusing behavior with ... [Appl. Opt. 53, 6422-6426 (2014)] 2014/09/24 - 15:58

Guofang Fan, Yuan Li, Chunguang Hu, Lihua Lei, Dong Zhao, Hongyu Li, Zhen ZhenIn this paper, we develop an analytical model of an integrated acousto-optical (AO) device with arms modulated by a single surface acoustic wave beam. A comparison between one-arm and two-arm modulation is presented, which shows that two-arm modulation can significantly enhance modulation ... [Appl. Opt. 53, 6427-6430 (2014)] 2014/09/24 - 15:58

Zhongwei Liao, Bingpu Zhou, Yingzhou Huang, Shunbo Li, Shuxia Wang, Weijia WenThe Fano resonance induced by symmetry breaking could improve the sensitivity of localized surface plasmon resonance sensors. In this work, the spectra of gold nanocrescent arrays are measured and confirmed by simulation results through the finite element method (FEM). The Fano resonance presented ... [Appl. Opt. 53, 6431-6434 (2014)] 2014/09/24 - 15:58

Kazuya Nakano, Masafumi Takeda, Hiroyuki Suzuki, Masahiro YamaguchiClassical double-random phase encoding (C-DRPE) is an optical symmetric-key encryption technique. C-DRPE is reported to be vulnerable to a known-plaintext attack (KPA) that uses a phase retrieval algorithm. However, although phase-only DRPE (PO-DRPE) is reported to be more resistant to KPAs than ... [Appl. Opt. 53, 6435-6443 (2014)] 2014/09/24 - 15:58