//www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:40 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:40 zh Copyright ©Acta Physica Sinica All Rights Reserved. 京ICP备05002789号-1 Address: PostCode：100190 Phone: 010-82649829，82649241,82649863 Email: apsoffice@iphy.ac.cn Copyright ©Acta Physica Sinica All Rights Reserved apsoffice@iphy.ac.cn 1000-3290 //www.getgobooth.com/en/article/doi/10.7498/aps.18.325 Author(s): HUANG HUNG-CHIA <br/><p>In this paper a generalized theory of coupled local normal modes is developed, which is based on the mathematical method-"method of slowly varying coefficients", introduced by the author in a previous paper. By this method, the set of ordinary coupled wave equations is transformed into a new set of equations for the local normal modes with much reduced couplings. To illustrate the applicability of the method, the all-important problem of bend with slowly varying curvature is solved by considering two and three coupled modes succesively. For the two coupled-modes case, our results agree with those by Louisell and Unger. Solution for the three coupled-modes problem has not been appeared in literatures heretofore. A numerical evaluation of the spurious modes in an S-shaped bend is given. Further applications are discussed.</p> <br/>Acta Physica Sinica. 1962 18(7): 325-333. Published 2005-08-05 Author(s): HUANG HUNG-CHIA <br/><p>In this paper a generalized theory of coupled local normal modes is developed, which is based on the mathematical method-"method of slowly varying coefficients", introduced by the author in a previous paper. By this method, the set of ordinary coupled wave equations is transformed into a new set of equations for the local normal modes with much reduced couplings. To illustrate the applicability of the method, the all-important problem of bend with slowly varying curvature is solved by considering two and three coupled modes succesively. For the two coupled-modes case, our results agree with those by Louisell and Unger. Solution for the three coupled-modes problem has not been appeared in literatures heretofore. A numerical evaluation of the spurious modes in an S-shaped bend is given. Further applications are discussed.</p> <br/>Acta Physica Sinica. 1962 18(7): 325-333. Published 2005-08-05 GENERALIZED THEORY OF COUPLED LOCAL NORMAL MODES IN MULTI-WAVE GUIDES HUANG HUNG-CHIA 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(7): 325-333. article doi:10.7498/aps.18.325 10.7498/aps.18.325 Acta Physica Sinica 18 7 2005-08-05 //www.getgobooth.com/en/article/doi/10.7498/aps.18.325 325-333 //www.getgobooth.com/en/article/doi/10.7498/aps.18.334 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1962 18(7): 334-378. Published 2005-08-05 Author(s): <br/><p></p> <br/>Acta Physica Sinica. 1962 18(7): 334-378. Published 2005-08-05 СИЛЬНОЕ ВЗАИМОДЕЙСТВИЕ СТРАННЫХ ЧАСТИЦ 2005-08-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1962 18(7): 334-378. article doi:10.7498/aps.18.334 10.7498/aps.18.334 Acta Physica Sinica 18 7 2005-08-05 //www.getgobooth.com/en/article/doi/10.7498/aps.18.334 334-378

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