Method of Manufacturing CO2 Laser Grooved Long Period Fiber Gratings
In the present invention, methods and systems for fabricating novel LPFGs are taught. Fabrication is preformed by focusing a CO2 laser beam having a diameter of 30 to 40 μm onto a fiber, such fiber being fixed and weighted on either ends. The variations of transmission spectrum and polarization dependent (PDL) loss of the CO2 laser-grooved LPFGs with different fabrication parameters as functions of applied as functions of applied tensile stain are demonstrated and evaluated.
Patent Number: US7664351B2
Application Number: US2007715419A
Inventor: Wang, Dongning | Wang, Yiping | Jin, Wei
Priority Date: 31 Jul 2006
Priority Number: US7664351B2
Application Date: 8 Mar 2007
Publication Date: 16 Feb 2010
IPC Current: G02B000634 | G02B000626 | G02F0001035
US Class: 385037 | 385002 | 385039
Assignee Applicant: The Hong Kong Polytechnic University
Title: Method of manufacturing CO2 laser grooved long period fiber gratings
Usefulness: Method of manufacturing CO2 laser grooved long period fiber gratings
Summary: Method for manufacturing a grated fiber i.e. long period fiber grating, for sensing and communication applications.
Novelty: Grated fiber i.e. long period fiber grating, manufacturing method for e.g. sensing application, involves performing scanning and rescanning operations by beam from carbon dioxide laser with diameter of thirty to forty micro meter
光学
光纤
WANG Dongning
WANG Yiping
JIN Wei
美国
