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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/6205
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dc.contributor.authorAnn Mary, K.A.-
dc.contributor.authorSonia Mary, E.J.-
dc.contributor.authorVidyadharan, Viji-
dc.contributor.authorPhilip, Reji-
dc.contributor.authorUnnikrishnan, N.V.-
dc.date.accessioned2015-03-24T07:29:57Z-
dc.date.available2015-03-24T07:29:57Z-
dc.date.issued2015-02-17-
dc.identifier.citationIOP Conference Series: Materials Science and Engineering, 2015, Vol 73, p012055en
dc.identifier.urihttp://hdl.handle.net/2289/6205-
dc.descriptionOpen Access, Book Chapter from International Conference on Materials Science and Technology (ICMST 2012), 10–14 June 2012, Kerala, Indiaen
dc.description.abstractThermally induced optical nonlinearity of the laser dye LDS 867 is studied in ethanol solution using the self phase modulation and closed aperture z-scan techniques, employing a continuous wave low power He-Ne laser beam for excitation. The nonlinear optical (NLO) coefficients are obtained by analyzing the z-scan curve on the basis of the thermal lens model. The dye exhibits a negative thermal nonlinearity which can be inferred from the occurrence of a pre-focal peak followed by a post-focal valley in the z-scan. The large nonlinear refractive index (n2) measured at the excitation wavelength of 633nm reveals that the material is NLO active even at low excitation powers of less than 1 mW. Results indicate that LDS 867 is a promising material for optical power limiting applications.en
dc.language.isoenen
dc.publisherIOP Publishing Ltd.en
dc.relation.urihttp://adsabs.harvard.edu/abs/2015MS%26E...73a2055Men
dc.relation.urihttp://dx.doi.org/10.1088/1757-899X/73/1/012055en
dc.rights2015 IOP Publishing Ltd.en
dc.titleThermo-optic nonlinearity of the laser dye LDS 867 under low power CW laser excitationen
dc.typeBook chapteren
Appears in Collections:Research Papers (LAMP)

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