Optical limiting properties of Te and Ag2Te nanowires

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DC Field	Value	Language
dc.contributor.author	Sandeep, Suchand C.S.	-
dc.contributor.author	Samal, A.K.	-
dc.contributor.author	Pradeep, T.	-
dc.contributor.author	Philip, Reji	-
dc.date.accessioned	2010-07-22T04:47:14Z	-
dc.date.available	2010-07-22T04:47:14Z	-
dc.date.issued	2010-01-04	-
dc.identifier.citation	Chemical Physics Letters, 2010, Vol.485, p326	en
dc.identifier.issn	0009-2614	-
dc.identifier.uri	http://hdl.handle.net/2289/3914	-
dc.description	Restricted Access.	en
dc.description.abstract	We have prepared tellurium (Te) and silver telluride (Ag2Te) nanowires in solution and investigated their nonlinear optical transmission by the open-aperture z-scan technique, using nanosecond laser pulses, at the excitation wavelengths of 532 and 1064 nm. The nonlinearity has contributions from absorption saturation, excited state absorption and nonlinear scattering processes. The saturation intensity and nonlinear absorption coefficient are calculated numerically. Nonlinear absorption in Ag2Te nanowires is found to be one order of magnitude higher than that in Te nanowires. Observation of optical limiting at both excitation wavelengths indicates the potential of these materials to be used as broadband optical limiters.	en
dc.language.iso	en	en
dc.publisher	Elsevier B.V.	en
dc.relation.uri	http://dx.doi.org/10.1016/j.cplett.2009.12.065	en
dc.rights	2010 Elsevier B.V.	en
dc.title	Optical limiting properties of Te and Ag2Te nanowires	en
dc.type	Article	en
Appears in Collections:	Research Papers (LAMP)

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