TY  - JOUR
T1  - Review of Fabrication Techniques of Fiber Gratings
AU - , Bashir Ahmed Tahir AU - , Jalil Ali AU - , Rosly Abdul Rahman 
JO  - Journal of Engineering and Applied Sciences
VL  - 2
IS  - 1
SP  - 105
EP  - 115
PY  - 2007
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2007.105.115
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2007.105.115
KW  - Fiber bragg grating
KW  -fabrication techniques
KW  -externally inscribed bragg gratings
KW  -phase mask method
KW  -sensitivity application
AB  - This study describes the various techniques used in fabricating standard and complex Bragg grating structures in optical fibers. The objective here is to review a detailed outlook on the technology for inscribing Bragg grating structures. The fiber Bragg grating represents a periodic variation of the refractive index of the fiber core along the length of the fiber. Writing a fiber grating optically in the core of an optical fiber requires irradiating the core with a periodic interference pattern. Depending on the fabrication technique employed, Bragg gratings may be labeled as internally or externally written. Although internal Bragg gratings may not be considered are very practical or useful, nevertheless it is important to consider them, thus obtaining a complete historical perspective. Far more useful, Bragg gratings are inscribed using external techniques such as the interferometric, point-by-point and phase mask which overcome the fundamental limitation of internally written gratings. Although, these processes were initially considered difficult due to the requirements of submicron resolution and thus stability, today they are well controlled and the inscription of Bragg gratings using these techniques is considered routine. One of these methods (phase mask) has been used to fabricate the fiber Bragg grating for the sensitivity application such as temperature and strain sensor. The main aim of this article is to compare  these  methods  and the selection  of the  optimal  method  for  the  fabrication  of required fiber Bragg grating.
ER  -