Improving the spectral sharpness of an apodized fibre grating

Title:	Improving the spectral sharpness of an apodized fibre grating
Authors:	Yang, C Lai, Y 光電工程學系 Department of Photonics
Keywords:	fibre Bragg grating;raised Gaussian apodization
Issue Date:	1-Sep-2000
Abstract:	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
Journal:	JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS
Volume:	2
Issue:	5
Begin Page:	422
End Page:	425
Appears in Collections:	Articles

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