【摘要】 概述了在掺杂石英玻璃光纤中写入布喇格光栅的原理与方法，介绍了光致光栅的机理及增强光纤光敏性的措施，简要说明了光纤光栅在光纤通信和光纤传感中的应用。更多还原

【Abstract】 The writing techniques of optical fiber Bragg gratings are reviewed, the mechanisms of photoinducing Bragg gratings and the approaches to enhance the photosensitivity of optical fibers are summarized and the applications of fiber gratings in optical communications and optical sensing technology are introduced.更多还原