Future subscriber loops will provide various services including broad-band video. Fiber optic
technology is the key for introducing these services. The Electrical Communication …

This paper describes technologies for the improvement of the noise and nonlinearity
characteristics of wireless access systems based on subcarrier optical transmission. First …

为了解决激光成像系统中的散斑问题, 利用ULN2003 芯片驱动喇叭振动光纤对激光成像系统中
的散斑特性进行了研究. 采用波长为532 nm 的激光作为系统光源, 通过线阵CCD …

In the future information society, various kinds of services will be required in offices,
factories, homes, and communities. Fiber optic broad-band systems will play the most …

Intensity noise reduction effects by superimposed pulse modulation are theoretically
analyzed for LD inherent noise, feedback light noise, and modal noise. It is shown that noise …

This paper presents the generation mechanism and characteristics of modal noise in
vibrating aerial optical cables. It has been determined that splice imperfection determines …

An optical fiber has been used in a wide area such as in communication system, a view
guide for diagnosis, applied optical sensor, etc. In such applications of the optical fiber …

Speckle patterns observed in an output light spot from an optical fiber are likely to be
changed due to external disturbances applied to the fiber, and such changes can be utilized …

For the purpose of investigating possibilities of utilizing changes of speckle patterns, to be
observed in an output light spot from an optical fiber, due to external disturbance for sensing …

When coherent light beams, ie, laser beams, are incident on one end of an optical fiber and
transmitted to another end to exit from there so as to form an output light spot on a screen …