標題: | Improving the spectral sharpness of an apodized fibre grating |
作者: | Yang, C Lai, Y 光電工程學系 Department of Photonics |
關鍵字: | fibre Bragg grating;raised Gaussian apodization |
公開日期: | 1-九月-2000 |
摘要: | We fabricate a steep skirt fibre Bragg grating (FBG) by employing an apodized phase mask. Gaussian UV beams with different FWHM are used on the mask to derive better spectral responses. The ratio of the FBG reflection bandwidth at -0.5 to -20 dB is improved from 0.35-0.55. |
URI: | http://dx.doi.org/10.1088/1464-4258/2/5/312 http://hdl.handle.net/11536/30312 |
ISSN: | 1464-4258 |
DOI: | 10.1088/1464-4258/2/5/312 |
期刊: | JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS |
Volume: | 2 |
Issue: | 5 |
起始頁: | 422 |
結束頁: | 425 |
顯示於類別: | 期刊論文 |