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光纤光栅波长调谐在光纤通信和光纤传感领域中具有重要意义和实用价值。从理论上分析了基于弹性梁的光纤光栅波长调谐的基本原理 ,阐述了几种典型的简支梁、悬臂梁及扭梁调谐技术及其特点 ,展望了波长调谐方法的未来发展。
Fiber grating wavelength tuning is of great significance and practical value in the field of optical fiber communication and optical fiber sensing. The basic principle of fiber grating wavelength tuning based on elastic beam is theoretically analyzed. Several typical techniques of tuning and characteristics of simple beam, cantilever beam and twist beam are expounded. The future development of wavelength tuning method is also discussed.