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光纤制导技术及器件的发展研究 总被引:1,自引:0,他引:1
光纤技术在有线制导武器方面的应用是光纤技术军事应用的一个重要方面,光纤制导技术具有信息传输容量大、抗干扰能力强、制导精度高、隐蔽性好等一系列优点,因此光纤制导技术及器件日益受到各国政府和军方的重视。简要介绍了光纤制导的关键技术,详细叙述了光纤制导技术在光纤制导导弹、光纤制导鱼雷、光纤制导水下武器和诱饵中的应用和发展,汇总了世界各国光纤制导导弹、光纤制导鱼雷和光纤制导导弹系统的研制项目发展状况以及光纤制导水下武器和诱饵的应用和发展,指出制导光纤、制导光缆、制导光纤陀螺和制导光纤水听器的发展现状和趋势,分析了我国光纤制导技术及器件与国外的差距,并提出加快我国光纤制导技术发展的建议。 相似文献
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光纤制导技术及器件的发展(待续) 总被引:5,自引:0,他引:5
光纤技术在有线制导武器方面的应用是光纤技术军事应用的一个重要方面.光纤制导技术具有信息传输容量大、抗干扰能力强、制导精度高、隐蔽性好等一系列优点.为此介绍了光纤制导的关键技术及其在光纤制导导弹、光纤制导鱼雷、光纤制导水下武器和诱饵中的应用和发展,指出制导光纤、制导光缆、制导光纤陀螺和制导光纤水听器的发展现状和趋势. 相似文献
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能引起网络故障的因素有很多,其中由光纤或光纤设备引起的占很大一部分,包括光纤、光纤跳线、光纤耦合器、光纤接头和光纤收发器等。在确定了是由光纤引起的故障后,按顺序排查设备,可以更高效地解决问题。 相似文献
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光纤传感技术的发展及应用 总被引:5,自引:0,他引:5
介绍了传光型光纤传感器与传感型光纤传感器的基本原理,阐述了强度调制型光纤传感器、干涉型光纤传感器、光纤光栅以及光纤声发射传感器的应用,提出了我国光纤传感技术存在的问题以及发展方向. 相似文献
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光信号在光纤中传输产生的损耗主要是由光纤自身的传输损耗和光纤接头处的熔接损耗组成的。光纤自身的传输损耗与光纤的种类和成缆质量有关,而光纤接头处的熔接损耗则与光纤本身及现场的施工环境息息相关。 相似文献
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介绍了近年来得到广泛研究的锥形光纤技术的发展现状,尤其是在光纤传感和光纤激光器上的应用.在光纤上直接拉制出的锥区可用于制作小型化、一体化、具有许多优良光学特性的光纤器件.锥形光纤按束腰直径和光纤拉锥区的长度比,可分为锐锥度光纤(锥区长度和锥区的束腰直径较接近)和缓锥度光纤(锥区的长度远远大于束腰的直径).锐锥度光纤可以制作Michelson或者Mach-Zehnder干涉仪可用来实现折射率传感器;同时它还可改变激光光斑的强度分布,获得平顶光斑输出.利用单模缓锥度光纤可以实现窄线宽可调谐滤波器;另外基于缓锥度光纤可以实现多模光纤至单模光纤的转换器.锥形光纤结构紧凑,制作简单、成本低,必将成为多种实用光纤器件的核心. 相似文献
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激光医学治疗用激光器包括紫外、红外、可见光激光器,激光用光纤输出端形式包括点状、柱状、球状等;光纤在医学器械的应用包括光纤照明和激光传输,现今石英光纤、多组份玻璃光纤、聚合物光纤以及红外晶体光纤、氟化物玻璃光纤、红外空芯波导等在医学治疗有许多应用,其中石英光纤已在医学美容、手术治疗和光动力疗法等方面获得广泛应用,多组份玻璃光纤可应用于光炙仪、光热治疗仪、牙科光固化机、牙齿美白仪、光纤内窥镜等医疗仪器中,聚合物光纤POF可应用于光纤黄疸治疗仪、激光血管内外照射治疗中,光纤在今后的激光医学治疗中发挥更加重要的作用. 相似文献
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缆索拉力监测对相关行业的安全生产具有重要意义。提出一种新型缆索拉力光纤微弯传感器,介绍了带有弹簧的传感器结构,给出了传感器力学传递函数关系式,通过对梯形弹簧的非线性特性分析,说明梯形弹簧可用于缆索拉力光纤微弯传感器的非线性补偿。实验测试结果表明,经过梯形弹簧非线性补偿的缆索拉力光纤传感器可以获得很好的线性响应。该缆索拉力光纤传感器可应用于电梯、塔吊、起重机、空中索道等场合的拉力监测。 相似文献
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对美国天基光电侦察体系中的地球成像卫星系统、下一代光电系统、空间跟踪与监视系统和"战术星"系统等进行了研究,分析了高分辨率全色多光谱相机、先进的宽视场捕获传感器和窄视场凝视型多波段跟踪传感器、高分辨率超光谱成像仪的主要技术指标与使用特征及商业卫星提供的光谱频段及分辨率指标.在未来发展计划中,对大型衍射薄膜光学系统、先进的光学相机系统、尖端光学传感器、高级红外探测器、可见光和红外成像仪等高新技术装备进行了简要的介绍. 相似文献
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With the development of both optical fiber-based communication and sensation, one interesting topic has been pointed out. How to connect those mountains of sensors to detect the signal in a large area, and how to make the cost of sensing system lower enough should be studied. A network of sensors is a good option. All sensing equipments, including the interrogators and the sensors, will be internetworking together. However, fiber optic communication networks have been developed very well over the past two decades. Is it necessary to rebuild a new network for sensors? In this paper, some new technologies in the two areas of fiber optic sensors and fiber optic communication will be addressed. Then, the available overlay architecture of a fiber optic sensors network will be presented. Finally, a polymorphous optical burst switching (POBS)-based architecture will be proposed, which can support all kinds of services, including digital data optical circuit/burst/packet switching and analog fiber optic sensor signal circuit/burst switching, etc. 相似文献
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由于能量和信息处理所涉及的光信号在一种化学惰性和电绝缘的介质──光纤中传输,光纤化学传感器促进了已广泛应用于化学分析中的光学技术和光谱学方法的发展。本文讨论了光纤化学传感器的探测原理、技术和应用。特别应值得注意的是利用光纤实现远程操作、多点和多方位监测。 相似文献
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Chirwa LC Hammond PA Roy S Cumming DR 《IEEE transactions on bio-medical engineering》2003,50(4):484-492
The conventional method of diagnosing disorders of the human gastro-intestinal (GI) tract is by sensors embedded in cannulae that are inserted through the anus, mouth, or nose. However, these cannulae cause significant patient discomfort and cannot be used in the small intestine. As a result, there is considerable ongoing work in developing wireless sensors that can be used in the small intestine. The radiation characteristics of sources in the GI tract cannot be readily calculated due to the complexity of the human body and its composite tissues, each with different electrical characteristics. In addition, the compact antennas used are electrically small, making them inefficient radiators. This paper presents radiation characteristics for sources in the GI tract that should allow for the optimum design of more efficient telemetry systems. The characteristics are determined using the finite-difference time-domain method with a realistic antenna model on an established fully segmented human body model. Radiation intensity outside the body was found to have a Gaussian-form relationship with frequency. Maximum radiation occurs between 450 and 900 MHz. The gut region was found generally to inhibit vertically polarized electric fields more than horizontally polarized fields. 相似文献
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光纤传感器在坚强智能电网中的应用前景 总被引:1,自引:0,他引:1
成冠峰 《光纤与电缆及其应用技术》2011,(3):22-26
用于电力系统的各类光纤传感器,是坚强智能电网的坚强支撑。介绍了光纤传感器的基本原理,对电力系统中应用的几种光纤传感器进行了讨论,并对其应用前景进行了展望。 相似文献
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Fiber optic smart structures 总被引:1,自引:0,他引:1
Udd E. 《Proceedings of the IEEE. Institute of Electrical and Electronics Engineers》1996,84(6):884-894
Fiber optic sensor technology has experienced tremendous growth since its early beginnings in the 1970's with early laboratory demonstrations of fiber optic gyros and acoustic sensors and the introduction of the first commercial intensity and spectrally based sensors. These early efforts were followed by a tremendous growth of interest in the 1980's when the number of workers in the field increased from perhaps a few hundred to thousands. The result was the introduction in the 1990's of the first mass produced fiber optic sensors that are being used to support navigation and medical applications. The number of fiber optic sensor products can be expected to grow tremendously in the years to come as rapid progress continues to be made in the related optoelectronic and communication fields. This paper provides an overview of some of the technologies being used to support fiber optic sensor development and how they are being applied 相似文献