Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27809
Title: Fabrication of long-period gratings by femtosecond laser-induced filling of air-holes in photonic crystal fibers
Authors: Liu, S
Jin, L
Jin, W 
Wang, Y
Wang, DN 
Keywords: Femtosecond laser micromachining
long-period grating (LPG)
optical fiber sensor
photonic crystal fiber (PCF)
Issue Date: 2010
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, 2010, v. 22, no. 22, 5570903, p. 1635-1637 How to cite?
Journal: IEEE photonics technology letters 
Abstract: A new method for fabricating long-period gratings (LPGs) in photonic crystal fibers (PCFs) is presented. A tightly focused femtosecond infrared laser beam scans across a PCF periodically, resulting in periodic filling of cladding air-holes through a micro-explosion and redeposition process and forming an LPG. Strong resonance of ∼26 dB has been demonstrated with a grating length of <5 mm. An annealed LPG demonstrated stable operation at 800 °C for over 30 h.
URI: http://hdl.handle.net/10397/27809
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2010.2076275
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