2014 Vol. 7, No. 3

Reviews
Tunable terahertz and optical metamaterials
ZHANG Jian-fa, YUAN Xiao-dong, QIN Shi-qiao
2014, 7(3): 349-364. doi: 10.3788/CO.20140703.0349
Abstract(2226) PDF 1629KB(1594)
Abstract:
This paper reviews recent developments of tunable THz and optical metamaterials and gives insights into the trend of future research in this field as well as the potential applications. It can be expected that tunable metamaterials will remain to be ...
Overview of target tracking technology
GAO Wen, ZHU Ming, HE Bai-gen, WU Xiao-tian
2014, 7(3): 365-375. doi: 10.3788/CO.20140703.0365
Abstract(2539) PDF 1344KB(1346)
Abstract:
In this article, we review the favorite target representation in target tracking, and dassify them systematically, then categorize the target tracking methods used at present on the basis of the object and motion representations, provide detailed des...
Information Optics
3D reconstruction of space target IR image based on IR-SFS algorithm
ZENG Wei, WANG Hui-yuan, LIU Ying-qi, WANG Bin, ZHANG Zhen-duo, ZENG Zi-han
2014, 7(3): 376-388. doi: 10.3788/CO.20140703.0376
Abstract:
In this paper, a new 3D surface reconstruction algorithm named IR-SFS(shape from shading for infrared images) for infrared images of space targets is proposed based on the traditional single image SFS(shape from shading) algorithm, in which both exte...
Frequency domain filtering for phase fringe patterns of digital speckle pattern interferometry
WANG Yong-hong, LI Jun-rui, Sun Jian-fei, LIU Pei, YANG Lian-xiang
2014, 7(3): 389-395. doi: 10.3788/CO.20140703.0389
Abstract:
In order to solve the problem of serious influence of much noise in the phase fringe patterns of digital speckle pattern interferometry on the result and accuracy of phase unwrapping, an effective method of stripe sine/cosine decomposition combined w...
Quality assessment method of IR and visible fusion image
WANG Yu-qing, WANG Suo-jian
2014, 7(3): 396-401. doi: 10.3788/CO.20140703.0396
Abstract(1571) PDF 956KB(901)
Abstract:
In order to improve the consistency of the assessment result of image fusion with that of Human Visual System, the state-of-the-art image fusion assessment methods are deeply analysed, then a new assessment method is proposed in this paper, which is ...
True color transfer for dual band image fusion
XU Ting-fa, LI Jun-tao, ZHANG Yi-zhou, SHEN Zi-yi, GUO Si-qiu
2014, 7(3): 402-410. doi: 10.3788/CO.20140703.0402
Abstract:
Because of the inappropriate choose of reference image, double band(midwave infrared and visible) color fusion image based on the color transfer method has low contrast, decreasing image edge details and the infrared target is not prominent. We prese...
Simulation on the law of wave-front shaping with stochastic parallel gradient descent algorithm for adaptive optics
WANG Wei-bing, WANG Ting-feng, GUO Jin
2014, 7(3): 411-420. doi: 10.3788/CO.20140703.0411
Abstract:
Firstly, we introduce the principle of wave-front shaping with stochastic parallel gradient descent(SPGD) algorithm based on Zernike mode for adaptive optics in atmospheric turbulence, and achieve brief expression about Strehl ratio that makes conver...
Integrated optoelectronics
TiO2 nanowire array based interferometric sensor
YANG Yang, HE Hao, LI Qiu-shun, SHI Jian-guo, LI Ming-Yu, DONG Wen-fei
2014, 7(3): 421-427. doi: 10.3788/CO.20140703.0421
Abstract:
In this work, a new TiO2 nanowire array based interferometric sensor had been developed. At first, TiO2 nanowire array films were prepared on the surface of conductive FTO glass through hydrothermal synthesis method. Then, a new type of interferometr...
Athermal biosensor based on three waveguide micro-ring resonators
CUI Nai-di, KOU Jie-ting, LIANG Jing-qiu, WANG Wei-biao, GUO Jin, FENG Jun-bo, TENG Jie, CAO Guo-wei
2014, 7(3): 428-434. doi: 10.3788/CO.20140703.0428
Abstract:
Considering the influence of the temperature fluctuation on the detection performance of the biosensor, the athermal biosensor based on three waveguide micro-ring resonators is proposed in this paper. The resonant wavelengths of the three parallel ri...
Design and fabrication of 4 channels silica cross optical waveguide delay line array
LI Hao, SONG Ling-ling, ZHANG Li-jun, WANG Huan-ran, LI Liang, WANG Fei, YI Yun-ji, ZHANG Da-ming
2014, 7(3): 435-441. doi: 10.3788/CO.20140703.0435
Abstract:
In this paper, an integrated 4-channels silica optical waveguide delay line array with low cost and low propagation loss was designed and manufactured. BPM software was selected to simulate the associated parameters, including Y splitter and bend los...
Laser Technology and Applications
Different wavelength solid-state laser ablation of silicon wafer in vacuum
JI Li-Chao
2014, 7(3)
Abstract:
Lasers with wavelengths of 532 nm, 355 nm and 266 nm are obtained using harmonic generation of a Nd: YAG solid-state laser by nonlinear optical crystal. The relationship between the absorption of single crystal silicon and the laser wavelength and ab...
Optics Design and Technique
Application of the chalcogenide glass in modern infrared thermal imaging systems
BAI Yu, LIAO Zhi-yuan, LI Hua, CHENG Xi-min, XING Ting-wen, JIANG Ya-dong
2014, 7(3): 449-455. doi: 10.3788/CO.20140703.0449
Abstract:
The composition of novel chalcogenide infrared glass are introduced in this paper. Compared with other infrared glass, its advantages are analyzed. Mathematical model of relation between the temperature and other parameters in infrared detection imag...
Design of wide-angle lens for 8 mega-pixel mobile phone camera
LI Hang, YAN Chang-xiang
2014, 7(3): 456-461. doi: 10.3788/CO.20140703.0456
Abstract(2567) PDF 944KB(983)
Abstract:
In order to meet the requirement of mobile phone market on the wide-angle and high-pixel mobile phone lens, a wide-angle and 8 mega-pixel mobile phone lens is designed. The mobile phone lens are composed of 4 plastic aspheric lens and an IR filter, a...
Design of the large field optical system for four-quadrant detecting
XUE Pei-yao, WU Yao, FENG Qian, LI Chuan
2014, 7(3): 462-468. doi: 10.3788/CO.20140703.0462
Abstract:
In order to realize large field laser detecting and tracking, the characteristics of optical system are analyzed. First, based on the requirement of light spots uniformity for four-quadrant detector and system indexes, the premium structure of optica...
Fabrication of odd-form component using in beam shaping system
FU Xiu-hua, CUI Jin-di, JIA Zong-he
2014, 7(3): 469-475. doi: 10.3788/CO.20140703.0469
Abstract(1363) PDF 1124KB(1867)
Abstract:
In order to realize the aspheric cylindrical mirror of high precision processing, and solve the difficult problems in this field, the aspheric cylindrical mirror processing and testing methods are deeply researched. Classical and modern processing me...
Optical Instruments and Measurement
Simultaneous measurement of temperature and concentration of sugar solution based on hybrid fiber grating sensor
ZHAO Ming-fu, WANG Nian, LUO Bing-bing, SHI Yu-jia, CAO Li-hua
2014, 7(3): 476-482. doi: 10.3788/CO.20140703.0476
Abstract(1336) PDF 990KB(528)
Abstract:
In order to accurately measure temperature and concentration of sugar solution at the same time, we presented a hybrid fiber grating sensor. Firstly, based on mode coupling theory, hybrid fiber gratings were formed using fiber Bragg grating and long-...
Error correction of spectral response characteristic of grating spectrometer
SHI Jian-hua, FU Si-hua, XIE Wen-ke
2014, 7(3): 483-490. doi: 10.3788/CO.20140703.0483
Abstract(1961) PDF 1070KB(1002)
Abstract:
Aiming at the big measuring error from grating spectrometer caused by the devices' spectral characterics, an error correction method is brought forward and validated. Firstly, the grating spectrometer's principle is analyzed deeply and the theoretica...
Popular Science and Teaching
Laser weapons-myths and prospects
APOLLONOV V V
2014, 7(3): 491-498. doi: 10.3788/CO.20140703.0491
Abstract:
The experience of designing strategic laser systems in the previous years and a strong belief in the attainability of the goalthe development of high-power laser weaponshelp to significantly accelerate the pace of work in the field of new technologie...
Simple qualitative explanations for light guidance in index-guiding fibres, holey fibres, photonic band-gap fibres and nanowires
LOVE John
2014, 7(3): 499-508. doi: 10.3788/CO.20140703.0499
Abstract:
This is a tutorial-style paper in which simple explanations are presented to provide qualitative insight into the different physical processes that account for the guidance of light in the broadening spectrum of fibre types. These types include solid...
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