针对目前光纤传感所采用的特种光纤的成本高且制作工艺复杂,提出一种以标准单模光纤为光纤传感的光纤传感系统。
At present, the special fiber as optic fiber sensor is expensive and the technique is complicated, then a quasi-distribution optic fiber sensor system based on general optic fibers is presented.
反斯托克斯·拉曼背向自发散射的放大效应抑制了单模光纤中的相干噪声,改善了系统的信噪比。
The coherent noise of single mode fiber is restrained by the amplification effect of anti Stokes Raman backscattering, and the signal noise ratio of sensor system is improved.
本文报导一种适于相干光纤通信系统应用的单模光纤偏振自动控制技术。
This paper reports a polarization control technique for coherent optical fiber communication systems.
系统采用单模光纤的尾纤半导体激光器作光源的激光准直系统,并为测量提供稳定的基准线。
A single mode fiber (SMF) pigtailed laser diode alignment system provides a laser reference line with fine stability for measurement.
本文探讨一种使用单模光纤同时作为点源与点探测器的激光共焦扫描显微系统。
A laser scanning confocal microscope that utilizes a single-mode optical fiber as both the source and the datection aperture is described.
本文介绍了由普通单模光纤构成的全光纤光外差检测系统的基本原理和实验研究结果。
The principle and experimental results of all-fibre optical heterodyne sys-tem, in which ordinary single mode fibres are used, are presented.
实验证明,采用本文设计的调节系统完全可以取代经典波片,从而实现单模光纤中传输光束偏振态的自调效果。
It is proved by experiment that using the optical device may be used instead of the fractional wave plates of classical optics.
提出了时空变换脉冲整形系统中光束复原的一种新方法:用单模光纤代替通常时空变换法中的第二个电光偏转器。
A novel method is presented for compensating deflection in temporal-spatial transform pulse shaping system, using single-mode optical fiber instead of a second electrooptic deflector.
群速度失配造成的光脉冲位置偏移,在没有补偿措施的情况下,普通单模光纤不适于现有的FH -OCDMA系统。
The normal single mode optical fiber is not available for FH OCDMA system without any compensation scheme.
这种光纤能以有效的单模方式工作或以有效的多模方式工作,且这种光纤非常适用于高比特率通信系统中。
This kind of optical fiber can operate in single mode or multiple mode effectively, and is especially suitable for high-bit rate communication system.
在该系统中采用了自行研制设计的实现全光纤化的两个关键光纤元件:普通单模光纤频率偏移器和普通单模光纤偏振控制器,介绍了此两光纤元件的基本工作原理和设计方法。
Two novel fibre devices, fibre optic frequency shifter and fibre optic polarization controller, are employed in this system. The principle and design method for the two key devices are described.
系统采用带有温控的半导体激光器单模光纤组件作为光源,有效地降低了激光器本身的光线漂移,为滚转角误差测量提供了高精度和高稳定性的基准光线。
The TEC single-mode fiber-coupled laser module is used to decrease the laser beam drift, and the high accurate and stable measurement reference can be obtained.
采用二元光学位相调制的基本思想,用二元纯位相型光学系统将椭圆高斯型激光束与单模光纤最佳耦合。
Based on the phase modulation of binary optics, the binary phase only masks are used to couple the elliptical Gaussian beam to single mode fiber.
采用二元光学位相调制的基本思想,用二元纯位相型光学系统将椭圆高斯型激光束与单模光纤最佳耦合。
Based on the phase modulation of binary optics, the binary phase only masks are used to couple the elliptical Gaussian beam to single mode fiber.
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