Photonic crystal fiber interferometer composed of a long period fiber grating and one point collapsing of air holes
Optics Letters, Vol. 33, Issue 8, pp. 812-814 (2008)
http://dx.doi.org/10.1364/OL.33.000812
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Abstract
We present an all-fiber interferometer fabricated with a single piece of an endless single-mode photonic crystal fiber (PCF) by an electric arc discharge. By forming a long period grating (LPG) at a point and collapsing the air holes at another point along the PCF, the simple but effective interferometer could be implemented. The LPG made a strong wavelength selective mode coupling between the core and cladding modes in the interesting wavelength range, while the air-hole collapse induced wavelength independent mode couplings. By cascading them, we could implement the all-fiber interferometer. As a potential application of the proposed all PCF interferometer, strain sensing is experimentally demonstrated.
© 2008 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: January 4, 2008
Revised Manuscript: March 5, 2008
Manuscript Accepted: March 6, 2008
Published: April 10, 2008
Citation
Hae Young Choi, Kwan Seob Park, and Byeong Ha Lee, "Photonic crystal fiber interferometer composed of a long period fiber grating and one point collapsing of air holes," Opt. Lett. 33, 812-814 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-8-812
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