Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24436
Title: Asymmetric microhole-structured long-period fiber gratings
Authors: Wang, Y
Wang, DN 
Yang, M
Liao, CR
Keywords: Femtosecond laser
Long period fiber grating
Microhole
Micromachining
Optical fiber sensors
Issue Date: 2011
Publisher: Elsevier Science Sa
Source: Sensors and actuators, b : chemical, 2011, v. 160, no. 1, p. 822-825 How to cite?
Journal: Sensors and Actuators, B: Chemical 
Abstract: Asymmetric microhole-structured long period fiber grating fabricated in single mode, fiber and photonics crystal fiber by use of femtosecond laser pulse drilling is, presented. The periodically structured microholes positioned a few microns away, from the central fiber axis can effectively couple the fundamental core mode into the, forward-propagating cladding mode, thus forming a long period fiber grating. The, results obtained show that the asymmetrical-drilling method can effectively improve, the reliability of the grating fabrication when compared with the symmetrical-drilling, method, owing to the increased tolerance in geometric error of laser pulse, micromachining.
URI: http://hdl.handle.net/10397/24436
DOI: 10.1016/j.snb.2011.08.067
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