2014 Vol. 7, No. 3
2014, 7(3): 349-364.
doi: 10.3788/CO.20140703.0349
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 ...
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 ...
2014, 7(3): 365-375.
doi: 10.3788/CO.20140703.0365
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...
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...
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...
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...
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...
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...
2014, 7(3): 396-401.
doi: 10.3788/CO.20140703.0396
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 ...
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
2014, 7(3): 456-461.
doi: 10.3788/CO.20140703.0456
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...
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...
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...
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...
2014, 7(3): 469-475.
doi: 10.3788/CO.20140703.0469
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...
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...
2014, 7(3): 476-482.
doi: 10.3788/CO.20140703.0476
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-...
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-...
2014, 7(3): 483-490.
doi: 10.3788/CO.20140703.0483
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...
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...
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...
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...
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...
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...