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http://hdl.handle.net/10397/605
Title: | Optical properties of epitaxial and polycrystalline Sr[sub 1.8]Ca[sub 0.2]NaNb[sub 5]O[sub 15] thin-film waveguides grown by pulsed laser deposition | Authors: | Liu, WC Mak, CL Wong, KH Wang, D Chan, HLW |
Issue Date: | 2-Aug-2006 | Source: | Journal of applied physics, 2 Aug. 2006, v. 100, no. 3, 033507, p. 1-6 | Abstract: | Epitaxial and polycrystalline ferroelectric Sr[sub 1.8]Ca[sub 0.2]NaNb[sub 5]O[sub 15] thin films have been prepared by pulsed laser deposition on (100)MgO and fused quartz substrates, respectively. These films exhibit excellent surface flatness and high optical transmittance of about 80% over the whole visible region. Their good optical waveguide characteristics are demonstrated using prism coupling technique. Our results show that the internal scattering of the film is more influential in governing the propagation loss than the surface scattering, and that a heteroepitaxial growth of ferroelectric oxide films is essential for waveguide devices. | Keywords: | Strontium compounds Calcium compounds Sodium compounds Epitaxial layers Ferroelectric thin films Pulsed laser deposition Optical waveguides Visible spectra |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | Rights: | © 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in W.C. Liu et al., J. Appl. Phys. 100, 033507 (2006) and may be found at http://link.aip.org/link/?jap/100/033507 |
Appears in Collections: | Journal/Magazine Article |
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