2017 Vol. 10, No. 1
2017, 10(1): 1-12.
doi: 10.3788/CO.20171001.0001
Abstract
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Abstract:
In this paper, we review the recent progress on coding metamaterial, digital metamaterial and programmable metamaterial, and discuss their capacities in manipulating the electromagnetic (EM) waves in real time and constructing the multi-functional de...
In this paper, we review the recent progress on coding metamaterial, digital metamaterial and programmable metamaterial, and discuss their capacities in manipulating the electromagnetic (EM) waves in real time and constructing the multi-functional de...
2017, 10(1): 13-24.
doi: 10.3788/CO.20171001.0013
Abstract:
This paper mainly introduces the application of the blue electroluminescent material, the principle and structure of the electroluminescent device. Blue light-emitting inorganic thin film electroluminescent materials are reviewed and their respective...
This paper mainly introduces the application of the blue electroluminescent material, the principle and structure of the electroluminescent device. Blue light-emitting inorganic thin film electroluminescent materials are reviewed and their respective...
2017, 10(1): 25-38.
doi: 10.3788/CO.20171001.0025
Abstract:
Two imaging modes and development of optical synthetic aperture are presented briefly in this paper. The current development situation of three kinds of optical synthetic aperture: segmented mirror, sparse aperture and phased array are introduced com...
Two imaging modes and development of optical synthetic aperture are presented briefly in this paper. The current development situation of three kinds of optical synthetic aperture: segmented mirror, sparse aperture and phased array are introduced com...
2017, 10(1): 39-50.
doi: 10.3788/CO.20171001.0039
Abstract:
This paper introduces the principles and the characteristics of the grating displacement measurement system based on geometric moire fringe and the principle of diffraction and interference. It summarizes the research progress of the diffraction grat...
This paper introduces the principles and the characteristics of the grating displacement measurement system based on geometric moire fringe and the principle of diffraction and interference. It summarizes the research progress of the diffraction grat...
2017, 10(1): 51-67.
doi: 10.3788/CO.20171001.0051
Abstract:
Solid-state terahertz plasma devices are becoming one of the important research areas in which both solid-state microwave/millimeter-wave electronics and semiconductor laser technologies are being developed and merged towards the terahertz frequency ...
Solid-state terahertz plasma devices are becoming one of the important research areas in which both solid-state microwave/millimeter-wave electronics and semiconductor laser technologies are being developed and merged towards the terahertz frequency ...
2017, 10(1): 68-76.
doi: 10.3788/CO.20171001.0068
Abstract:
Terahertz (THz) real-time imaging is a promising field in most of THz technologies. It has lots of features such as fast imaging, high-resolution imaging, etc. The imaging system based on THz quantum-cascade laser (QCL) is one of the most important T...
Terahertz (THz) real-time imaging is a promising field in most of THz technologies. It has lots of features such as fast imaging, high-resolution imaging, etc. The imaging system based on THz quantum-cascade laser (QCL) is one of the most important T...
2017, 10(1): 77-85.
doi: 10.3788/CO.20171001.0077
Abstract:
High performance terahertz devices play an essential role in controlling terahertz waves to realize diverse applications. Here we report our work on the design of THz devices manufactured by a commercially available 3D printer, and the parameters of ...
High performance terahertz devices play an essential role in controlling terahertz waves to realize diverse applications. Here we report our work on the design of THz devices manufactured by a commercially available 3D printer, and the parameters of ...
2017, 10(1): 86-97.
doi: 10.3788/CO.20171001.0086
Abstract:
Graphene is a two-dimensional material and has unique electrical and optical properties, which has been widely used in the research of terahertz wave dynamic modulation in recent years. In this paper, we reviews the terahertz wave dynamic modulation ...
Graphene is a two-dimensional material and has unique electrical and optical properties, which has been widely used in the research of terahertz wave dynamic modulation in recent years. In this paper, we reviews the terahertz wave dynamic modulation ...
2017, 10(1): 98-113.
doi: 10.3788/CO.20171001.0098
Abstract:
In Maxwell equations, the electromagnetic response of a medium is usually described by permittivity ε(ω) and permeability μ(ω) in constitutive relations. For an electromagnetic field propagating in a medium, there exist two independent eigen modes in...
In Maxwell equations, the electromagnetic response of a medium is usually described by permittivity ε(ω) and permeability μ(ω) in constitutive relations. For an electromagnetic field propagating in a medium, there exist two independent eigen modes in...
2017, 10(1): 114-121.
doi: 10.3788/CO.20171001.0114
Abstract:
Terahertz wave has become a hot research point for body hidden objects detection applications due to its extremely low photon energy and the strong penetration properties to non-polar material. In this paper, taking indoor body concealed detection as...
Terahertz wave has become a hot research point for body hidden objects detection applications due to its extremely low photon energy and the strong penetration properties to non-polar material. In this paper, taking indoor body concealed detection as...
2017, 10(1): 122-130.
doi: 10.3788/CO.20171001.0122
Abstract:
Nearly half of the photon energy is occupied in Terahertz waveband after the cosmic microwave background (CMB) radiation in space, which plays an irreplaceable role in the study of astronomy. So the terahertz astronomy research has extremely importan...
Nearly half of the photon energy is occupied in Terahertz waveband after the cosmic microwave background (CMB) radiation in space, which plays an irreplaceable role in the study of astronomy. So the terahertz astronomy research has extremely importan...
2017, 10(1): 131-147.
doi: 10.3788/CO.20171001.0131
Abstract:
With the maturation of terahertz (THz) imaging technology, the spatial resolution, signal-to-noise ratio, imaging speed and ability acquiring information of the imaging system are gradually enhanced. Researchers have paid more attention to THz imagin...
With the maturation of terahertz (THz) imaging technology, the spatial resolution, signal-to-noise ratio, imaging speed and ability acquiring information of the imaging system are gradually enhanced. Researchers have paid more attention to THz imagin...
