Search Results - "Swart, Pieter L."

Intensity noise in SBS with injection locking generation of Stokes seed signal by Spirin, Vasily V, Kellerman, Johann, Swart, Pieter L, Fotiadi, Andrei A

“…We present experimental and theoretical investigation of intensity noise features in SBS for experimental configuration utilized injection locking of two…”
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Deposition of Ge-doped silica thin films for an integrated optic application using a matrix distributed electron cyclotron resonance PECVD reactor by Botha, Roelene, Bulkin, Pavel V., Swart, Pieter L.

“…Optical quality Ge-doped SiO2 thin films, suitable for an integrated optic version of a gain equalizer for erbium-doped fibre amplifiers (EDFAs), have been…”
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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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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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Serial and parallel arrangements of NOLM and NALM loop mirrors by Schmieder, Diethelm, Swart, Pieter L

“…We present the switching equations for the nonlinear optical loop mirror (NOLM), for two NOLM loops in series, for two NOLM loops in parallel, for the…”
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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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Study of the pressure dependence of hydrogen diffusion in optical fiber by an interferometric technique by Swart, Pieter L., Chtcherbakov, Anatoli A., Joubert, Wietz L., Shlyagin, M.G.

“…This paper presents a novel technique for measuring the pressure- and time-dependent concentration of hydrogen in optical fiber during isothermal hydrogen…”
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EDFA gain flattening using phase-shifted long-period grating by Zhu, Yinian, Shum, Ping, Lu, Chao, Lacquet, Beatrys M., Swart, Pieter L., Spammer, Stephanus J.

“…A novel device using a phase‐shifted long‐period grating cascaded with one normal long‐period grating is designed to flatten the gain spectrum of EDFAs with…”
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Alarm-condition detection and localization using Rayleigh scattering for a fiber-optic bending sensor with an unmodulated light source by Spirin, V.V., Shlyagin, M.G., Miridonov, S.V., Swart, Pieter L.

“…We present a simple method for the localization of a bending loss region for a fiber-optic alarm-condition sensor based on the measurement of transmitted and…”
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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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Modified sagnac/mach-zehnder interferometer for distributed disturbance sensing by Chtcherbakov, Anatoli A., Swart, Pieter L., Spammer, Stephanus J., Lacquet, Beatrys M.

“…We propose an alternative configuration for an interferometric distributed fiber optic sensor. The sensor uses a combination of Mach–Zehnder and Sagnac…”
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Automated electron cyclotron resonance plasma enhanced chemical vapor deposition system for the growth of rugate filters by Swart, Pieter L., Lacquet, Beatrys M., Chtcherbakov, Anatoli A., Bulkin, Pavel V.

“…We developed a control system for an electron cyclotron resonance plasma enhanced chemical vapor deposition (ECR-PECVD) reactor for the growth of inhomogeneous…”
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A digital signal-processing analysis technique for the infrared reflectivity characterization of ion implanted silicon by Aizenberg, Gustavo E., Swart, Pieter L., Lacquet, Beatrys M.

“…A new method for the characterization of ion-implanted silicon is proposed. It is based on analysis of the Fourier spectrum of bilinearly transformed infrared…”
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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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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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Fiber Bragg grating accelerometer with temperature insensitivity by Zhu, Yinian, Shum, Ping, Lu, Chao, Lacquet, Beatrys M., Swart, Pieter L., Spammer, Stephanus J.

“…A cantilever beam and fiber Bragg grating are used to measure acceleration. The output signal is insensitive to temperature variations from −20°C to 40°C, and…”
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Electron cyclotron resonance plasma enhanced chemical vapour deposition and optical properties of SiO x thin films by Bulkin, Pavel V, Swart, Pieter L, Lacquet, Beatrys M

“…Silicon–oxygen alloys ranging from amorphous silicon to silicon dioxide have been deposited from electron cyclotron resonance SiH 4/O 2/Ar plasmas onto radio…”
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Distributed dual-wavelength Sagnac impact sensor by Spammer, Stephanus J., Swart, Pieter L., Chtcherbakov, Anatoli A.

“…A distributed fiber sensor is described to determine the location of disturbances along a length of optical fiber. The sensor constitutes two Sagnac…”
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