2012 Vol. 5, No. 4
2012, 5(4): 317-326.
doi: 10.3788/CO.20120504.0317
Abstract
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Abstract:
Some optical methods for non-invasive blood glucose monitoring are introduced, and the advantages of infrared spectroscopy applied to the non-invasive blood glucose monitoring are presented. The main problems of infrared spectroscopy in the non-invas...
Some optical methods for non-invasive blood glucose monitoring are introduced, and the advantages of infrared spectroscopy applied to the non-invasive blood glucose monitoring are presented. The main problems of infrared spectroscopy in the non-invas...
2012, 5(4): 327-336.
doi: 10.3788/CO.20120504.0327
Abstract:
The developing status of large aperture ground-based telescopes is reviewed in this paper. The significance of bigger apertures for telescopes and their main technological approaches are expatiated and the summary on appliance values of modern large ...
The developing status of large aperture ground-based telescopes is reviewed in this paper. The significance of bigger apertures for telescopes and their main technological approaches are expatiated and the summary on appliance values of modern large ...
2012, 5(4): 337-351.
doi: 10.3788/CO.20120504.0337
Abstract:
Wavefront correctors are the key components of the adaptive optical systems and the techniques to fabricate wavefront correctors have been developed for many years. This paper introduces several kinds of wavefrom correctors that are commonly used in ...
Wavefront correctors are the key components of the adaptive optical systems and the techniques to fabricate wavefront correctors have been developed for many years. This paper introduces several kinds of wavefrom correctors that are commonly used in ...
2012, 5(4): 352-357.
doi: 10.3788/CO.20120504.0352
Abstract:
This paper summarizes the technological states of high power anti-missile laser weapons, including the composition, technological difficulty and the developing directions of ground-based anti-missile laser weapons and airborne anti-missile laser guid...
This paper summarizes the technological states of high power anti-missile laser weapons, including the composition, technological difficulty and the developing directions of ground-based anti-missile laser weapons and airborne anti-missile laser guid...
2012, 5(4): 358-365.
doi: 10.3788/CO.20120504.0358
Abstract:
The influence of vibration angles and vibration angle velocities caused by the dynamic imbalance disturbing torques of a rotor for the Single Gimbal Control Moment Gyro on the TDI CCD camera imaging is analyzed. By coordinate transformation, the dist...
The influence of vibration angles and vibration angle velocities caused by the dynamic imbalance disturbing torques of a rotor for the Single Gimbal Control Moment Gyro on the TDI CCD camera imaging is analyzed. By coordinate transformation, the dist...
2012, 5(4): 366-372.
doi: 10.3788/CO.20120504.0366
Abstract:
As the geometric precision of a three-line array CCD tridimensional mapping camera is one of the important factors to affect the mapping precision, the assembly method for the mapping camera is studied to build and ensure the spatial geometry relatio...
As the geometric precision of a three-line array CCD tridimensional mapping camera is one of the important factors to affect the mapping precision, the assembly method for the mapping camera is studied to build and ensure the spatial geometry relatio...
2012, 5(4): 373-379.
doi: 10.3788/CO.20120504.0373
Abstract:
Based on the requirements of mapping cameras for imaging quality and the stability of inner orientation elements, the characteristics of three focusing strategies are analyzed in detail, and the strategy which is most suitable for the mapping cameras...
Based on the requirements of mapping cameras for imaging quality and the stability of inner orientation elements, the characteristics of three focusing strategies are analyzed in detail, and the strategy which is most suitable for the mapping cameras...
2012, 5(4): 380-387.
doi: 10.3788/CO.20120504.0380
Abstract:
An optical system for Fizeau-type synthetic aperture telescopes is designed by using three subapertures with small diameters to obtain the high resolution of an equivalent large aperture. First, considering both u-v covering of sparse frequency and s...
An optical system for Fizeau-type synthetic aperture telescopes is designed by using three subapertures with small diameters to obtain the high resolution of an equivalent large aperture. First, considering both u-v covering of sparse frequency and s...
2012, 5(4): 388-393.
doi: 10.3788/CO.20120504.0388
Abstract:
In consideration of the defects of traditional condenser systems in low condensing rates, high costs and complex structures, high-power solar condensers were studied and designed. Based on the advantages of Cassegrain structure in high light gatherin...
In consideration of the defects of traditional condenser systems in low condensing rates, high costs and complex structures, high-power solar condensers were studied and designed. Based on the advantages of Cassegrain structure in high light gatherin...
2012, 5(4): 394-400.
doi: 10.3788/CO.20120504.0394
Abstract:
Due to the large numbers of lenses, it is impossible for the complex refractive system to use a compensator only to compensate the corresponding misalignment. Based on the aided alignment technology, this paper proposed a method to reduce the range o...
Due to the large numbers of lenses, it is impossible for the complex refractive system to use a compensator only to compensate the corresponding misalignment. Based on the aided alignment technology, this paper proposed a method to reduce the range o...
2012, 5(4): 401-406.
doi: 10.3788/CO.20120504.0401
Abstract:
The diaphragm structure in a lithographic projection objective is designed depending on the character demand for large adjustable ranges, small installing spaces and high adjustable precision, and the iris diaphragm has an aperture of 236 mm and adju...
The diaphragm structure in a lithographic projection objective is designed depending on the character demand for large adjustable ranges, small installing spaces and high adjustable precision, and the iris diaphragm has an aperture of 236 mm and adju...
2012, 5(4): 407-415.
doi: 10.3788/CO.20120504.0407
Abstract:
To speed up the convergence rate of Stochastic Parallel Gradient Descent(SPGD) algorithm that was used to control a deformable mirror for wavefront shaping and to enhance the capability of real-time wave-front shaping, a simulation model was establis...
To speed up the convergence rate of Stochastic Parallel Gradient Descent(SPGD) algorithm that was used to control a deformable mirror for wavefront shaping and to enhance the capability of real-time wave-front shaping, a simulation model was establis...
2012, 5(4): 416-422.
doi: 10.3788/CO.20120504.0416
Abstract:
To trigger the rotated spark switch in a CO2 laser stably and reliably, a high-voltage pulse trigger system is designed and a new method for driving and protecting Insulated Gate Bipolar Transistor(IGBT) is proposed. According to the trigger structur...
To trigger the rotated spark switch in a CO2 laser stably and reliably, a high-voltage pulse trigger system is designed and a new method for driving and protecting Insulated Gate Bipolar Transistor(IGBT) is proposed. According to the trigger structur...
2012, 5(4): 423-429.
doi: 10.3788/CO.20120504.0423
Abstract:
To research the space optical remote sensing quantitatively and to improve the measuring accuracy of detectors in UV region, this paper analyzes the radiation calibration of the detectors and provides a standard transferring method. The working princ...
To research the space optical remote sensing quantitatively and to improve the measuring accuracy of detectors in UV region, this paper analyzes the radiation calibration of the detectors and provides a standard transferring method. The working princ...
2012, 5(4): 430-435.
doi: 10.3788/CO.20120504.0430
Abstract:
The Electromagnetically Induced Transparency(EIT) in crystals doped with rare-earth ions was researched. By taking a Er3+: YAG crystal for a sample, the probe field absorption as a function of the concentration of Er3+ ions was calculated by using de...
The Electromagnetically Induced Transparency(EIT) in crystals doped with rare-earth ions was researched. By taking a Er3+: YAG crystal for a sample, the probe field absorption as a function of the concentration of Er3+ ions was calculated by using de...
2012, 5(4): 436-443.
doi: 10.3788/CO.20120504.0436
Abstract:
A long-range order wrinkle pattern is fabricated based on Polymerized Poly(Ethylene Glycol)-Diacrylate(PEGDA). The formation mechanism and adjustment method are studied. The large scale of cycle pattern array occurs in the surface of polymeric hydrog...
A long-range order wrinkle pattern is fabricated based on Polymerized Poly(Ethylene Glycol)-Diacrylate(PEGDA). The formation mechanism and adjustment method are studied. The large scale of cycle pattern array occurs in the surface of polymeric hydrog...
