Experimental reconstruction of a long-period grating from its core-to-core transmission spectrum
Optics Letters, Vol. 30, Issue 24, pp. 3272-3274 (2005)
http://dx.doi.org/10.1364/OL.30.003272
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Abstract
We demonstrate, for the first time to our knowledge, reconstruction of the structure of a long-period grating from its measured core-to-core transmission spectrum intensity. The reconstruction is obtained by writing an auxiliary grating in cascade to the interrogated grating. Our reconstruction technique is based on using the Hilbert transform and a phase-retrieval algorithm. Using our method, we have reconstructed the structure of a uniform long-period grating with a 47% coupling efficiency.
© 2005 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(290.3200) Scattering : Inverse scattering
ToC Category:
Fiber Optics and Optical Communications
Citation
Amir Rosenthal, Moshe Horowitz, Stephan Lange, and Christian Shäffer, "Experimental reconstruction of a long-period grating from its core-to-core transmission spectrum," Opt. Lett. 30, 3272-3274 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-24-3272
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