Results 141 to 150 of about 300 (180)
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Light absorption and scattering in PLZT
Ferroelectrics, 1989Abstract An experimental study of the distribution of the light extinction with respect to absorbtion and scattering in hot-pressed PLZT 9.75/65/35 at the wavelength 0.425 – 5.56 μm is reported. The light scattering spectrum is explained by the Usov-Shermergor theory.
M. Knite +3 more
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Optical Fiber Communication, 1987
Optical switches are expected to play an important role in advanced optical fiber communications. Many kinds of nonmechanical optical switch using magnetooptic, acoustooptic, and electrooptic effects have been reported. At present, most commercially available optical switches are mechanically operated.
Y. SAMPEI +3 more
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Optical switches are expected to play an important role in advanced optical fiber communications. Many kinds of nonmechanical optical switch using magnetooptic, acoustooptic, and electrooptic effects have been reported. At present, most commercially available optical switches are mechanically operated.
Y. SAMPEI +3 more
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Electrocaloric effect in PLZT ceramics
Ferroelectrics, 1986The electrocaloric effect in rhombohedral PLZT ceramics is studied as function of applied field and temperature. The results obtained are consistent with the general idea of the existence of an intermediate state of mixed polar and nonpolar regions in the interval of the diffuse phase transition.
E. Birks, L. Shebanov, A. Sternberg
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Ferroelectrics Letters Section, 1985
Abstract The microscopic structures of PLZT(7.9/70/30 and x/65/35, x = 7 or 8) ceramics were studied by means of transmission electron microscopy. The presence of micro-regions in PLZTs was first verfied.
P. C. Wang +5 more
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Abstract The microscopic structures of PLZT(7.9/70/30 and x/65/35, x = 7 or 8) ceramics were studied by means of transmission electron microscopy. The presence of micro-regions in PLZTs was first verfied.
P. C. Wang +5 more
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Fabrication of PLZT and the measurement of birefringence
2010 International Symposium on Computer, Communication, Control and Automation (3CA), 2010In the present work we studied the fabrication of ferroelectric film as PLZT by the sol-gel technique, and the birefringence optical property induced by the external voltage is measured by the electro-optic modulated heterodyne interferometer. The seeding layer as PT is deposited on the ITO glass substrate before the deposition of PLZT film.
Jing-Fung Lin +3 more
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Structural Features of PLZT Films
Crystallography Reports, 2018Lead zirconate titanate (PZT) films doped with lanthanum, Pb(1–х)Laх(Zr0.48Ti0.52) (х = 0, 0.02, 0.05, 0.08, or 0.01), have been investigated by electron microscopy and X-ray diffraction. Films were formed on Si–SiO2–TiO2–Pt substrates by chemical vapor deposition from a solution and annealed at temperatures T = 650 and 750°C.
O. M. Zhigalina +7 more
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PLZT modulators for optical communications
Ferroelectrics, 1980Abstract Techniqus for efficient modulation of multimode unpolariezed light are important for optical communications. Integrated optic and micro-optic modulators were constructed using the electric field induced scattering effects in 9/65/35 PLZT and modulation bandwidths of up to 1MHz were obtained.
D. Chen, M. Hafich, J. Huber, J. Kyonka
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Polymorphism and penferroelectricity in PLZT ceramics
Proceedings of the IEEE, 1973The interaction of structure with optical and electrical properties in lanthanum-doped lead zirconate-titanate (PLZT) ceramics is complex. An interpretation is presented which shows the critical dependence of structure and, hence, properties on the state of polarization, the temperature, and the La content.
A.H. Meitzler, H.M. O'Bryan
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Elastic Anomaly of the Tetragonal PLZT
Japanese Journal of Applied Physics, 1987Elastic properties of lanthanum doped lead zirconate-titanate, PLZT (9.8/55/45), were studied by the ultrasonic pulse-echo-overlap technique over the range from -70°C to 100°C including both the paraelectric and the ferroelectric phase. The measured velocities have pronounced changes at the transition temperature.
Yukihiko Sasaki +2 more
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PLZT matrix-type block-data composers
IEEE Journal of Quantum Electronics, 1973The characteristics of PLZT matrix-type block data composers operated in the strain-biased, scattering, differential phase and edge-effect modes are described, and a comparison is given of these four modes of operation.
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