Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/92783
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dc.titleSol-gel derived thin films of LiTaO3 on SiO2/Si substrates for optical waveguide applications
dc.contributor.authorCheng, S.-D.
dc.contributor.authorZhou, Y.
dc.contributor.authorKam, C.H.
dc.contributor.authorLam, Y.L.
dc.contributor.authorChan, Y.C.
dc.contributor.authorQue, W.X.
dc.contributor.authorGan, W.S.
dc.date.accessioned2014-10-16T03:08:26Z
dc.date.available2014-10-16T03:08:26Z
dc.date.issued2001
dc.identifier.citationCheng, S.-D.,Zhou, Y.,Kam, C.H.,Lam, Y.L.,Chan, Y.C.,Que, W.X.,Gan, W.S. (2001). Sol-gel derived thin films of LiTaO3 on SiO2/Si substrates for optical waveguide applications. Fiber and Integrated Optics 20 (1) : 45-52. ScholarBank@NUS Repository.
dc.identifier.issn01468030
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/92783
dc.description.abstractThin films of lithium tantalate have been derived on SiO2/Si substrate by sol-gel method. The sol is prepared by mixing LiOC2H5 and Ta(OC2H5)5. The film is deposited by spin-coating and annealing at 600°C. The film is characterized by means of X-ray diffraction, atomic force microscopy, and the m-line technique. The experimental results show that the film has crystallized into the pure trigonal phase and it is microsopically continuous and uniform. The crystalline size ranges from about 33nm to 96nm. The refractive index of the film is measured to be 1.84 at the wavelength of 633nm and the film is found to support several guiding modes at this wavelength.
dc.sourceScopus
dc.subjectLiTaO3
dc.subjectm-line technique
dc.subjectOptical waveguide
dc.subjectSilica-on-silicon
dc.subjectSol-gel
dc.typeArticle
dc.contributor.departmentMECHANICAL & PRODUCTION ENGINEERING
dc.description.sourcetitleFiber and Integrated Optics
dc.description.volume20
dc.description.issue1
dc.description.page45-52
dc.description.codenFOIOD
dc.identifier.isiutNOT_IN_WOS
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