Search Results - "SWART, P. L"

Temperature-insensitive fiber Bragg grating accelerometer by Yinian Zhu, Ping Shum, Chao Lu, Lacquet, B.M., Swart, P.L., Spammer, S.J.

“…A cantilever beam and fiber Bragg grating is used to measure acceleration. The cantilever induces strain on the grating, resulting in a Bragg wavelength…”
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Wavelength-tunable add/drop multiplexer for dense wavelength division multiplexing using long-period gratings and fiber stretchers by Zhu, Yinian, Lu, Chao, Lacquet, B.M., Swart, P.L., Spammer, S.J.

“…We have designed and configured a novel wavelength-tunable add/drop multiplexer (ADM) device that employs long-period gratings (LPGs) and piezoelectric ceramic…”
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Merged Sagnac-Michelson interferometer for distributed disturbance detection by Spammer, S.J., Swart, P.L., Chtcherbakov, A.A.

“…An interferometric technique is described to detect and locate perturbations along an optical fiber. This distributed sensor has a position dependent response…”
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Polarization effects in the Sagnac-Michelson distributed disturbance location sensor by Chtcherbakov, A.A., Swart, P.L.

“…An analysis, based on Jones calculus, is presented of polarization effects in the merged Sagnac-Michelson interferometric sensor for distributed disturbance…”
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Effects of the nature of the starting population on the properties of Rugate filters designed with the genetic algorithm by Swart, P.L., Kotze, A.P., Lacquet, B.M.

“…The genetic algorithm optimization technique for optical filter design is applied to two starting populations, an inverse Fourier transform population and a…”
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Electron cyclotron resonance plasma enhanced chemical vapour deposition and optical properties of SiOx thin films by BULKIN, P. V, SWART, P. L, LACQUET, B. M

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Effect of process parameters on the properties of electron cyclotron resonance plasma deposited silicon-oxynitride by Bulkin, Pavel V., Swart, Pieter L., Lacquet, Beatrys M.

“…Silicon-oxynitride layers were deposited by electron cyclotron resonance plasma enhanced chemical vapour deposition onto silicon and glass substrates. Working…”
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Properties and applications of electron cyclotron plasma deposited SiOxNy films with graded refractive index profiles by BULKIN, P. V, SWART, P. L, LACQUET, B. M

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Temperature insensitive measurements of static displacements using a fiber Bragg grating by Zhu, Yinian, Shum, Ping, Lu, Chao, Lacquet, M, Swart, P, Chtcherbakov, A, Spammer, S

“…We report a chirped fiber Bragg grating transducer for the measurement of acceleration, in which a cantilever beam and fiber Bragg grating are used. The…”
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An acoustic sensor system for determination of macroscopic surface roughness by Swart, P.L., Lacquet, B.M., Blom, C.

“…In this paper, an alternative technique for the measurement of roughness of road surfaces is proposed. This noncontact method is based on the scattering of…”
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Noise properties of a quadrature phase tracker for interferometric optical fiber sensors by Spammer, S.J., Swart, P.L.

“…The noise performance of an electronic quadrature phase-detection system for interferometric optical fiber sensors is presented. Three noise sources are…”
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Chirped fiber-optic Bragg grating interrogator in a multiplexed Bragg grating sensor configuration by Chtcherbakov, A.A., Swart, P.L.

“…This paper presents a chirped grating interrogator for fiber Bragg grating sensors. The interrogator uses the wavelength dependence of the phase group-delay…”
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Polymer dispersed liquid crystal fiber optic electric field probe by Lacquet, B.M., Swart, P.L., Spammer, S.J.

“…Polymer dispersed liquid crystal inserted between two multimode optical fiber end faces forms the basis of an electric field probe. This probe has an active…”
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Changes in the optical reflectivity of implanted silicon as a function of implantation energy by AHARONI, H, SWART, P. L

“…Experimental results are presented regarding the changes in optical reflectivity of 31p+-implanted Si as a function of implantation energy. Three curves of R…”
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Study of hydrogen diffusion in boron/germanium codoped optical fiber by Swart, P.L., Chtcherbakov, A.A.

“…Presents a novel technique for studying the dynamics of hydrogen diffusion in optical fiber. It shows that the hydrogen contributes directly to the effective…”
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Angular range extension of an analog integrated circuit synthesizing trigonometric functions by Spammer, S.J., Swart, P.L., Meyer, J.

“…The fixed scale factors of analog integrated circuit trigonometric function converters limit their maximum input angular range. A method to increase the total…”
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IR transmission and reflection study of lamellar silicon grating-wafer structures by Hava, S., Auslender, M., Lacquet, B.M., Coetzer, P.J., Swart, P.L.

“…IR normal transmission and angular reflection spectra are studied for lamellar silicon grating-wafer structures. The grating dimensions are comparable with the…”
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A substrate heater with fast response for a low current ion-implanter by Swart, P.L., Lacquet, B.M., Reynecke, S.

“…A substrate heater using a 900-W tungsten lamp and a proportional-integral controller is presented. The externally generated radiation is directed onto a…”
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Localization of a loss-inducing perturbation with variable accuracy along a test fiber using transmission-reflection analysis by Spirin, V.V., Mendieta, F.J., Miridonov, S.V., Shlyagin, M.G., Chtcherbakov, A.A., Swart, P.L.

“…We report on the detection of a loss-inducing perturbation with variable localization accuracy along a test fiber based on the analysis of transmitted and…”
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Hydrogen implanted silicon oxidation by HAVA, S, LACQUET, B. M, SWART, P. L

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