Search Results - "Raman scattering"
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Efficient calculation of Rayleigh and Raman scattering
Published 2018“…We present two methods for computing the Rayleigh and Raman scattering cross sections for photon scattering on atomic hydrogen or hydrogenlike systems. …”
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Optical Properties of Surface Layers Enhanced Raman Scattering
Published 2016“…This article elaborates on surface-enhanced Raman scattering (SERS) technique, increase of Raman scattering due to various factors namely; chemical effect, charge transfer, resonance, and electromagnetic field amplification. …”
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Novel surface-enhanced raman scattering substrate based on functionalized silicon nanowires
Published 2019“…This study reports synthesis of a new Surface-Enhanced Raman Scattering (SERS) substrate using Silicon nanowires (SiNW’s) arrays, produced through chemical etching, and functionalized by tailoring their surface chemistry with nitrogen containing groups. …”
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Stimulated Raman Scattering in Routing and Wavelength Assignment / W. S. Sim ... [et al.]
Published 2014“…In this paper, the implication of Stimulated Raman Scattering (SRS) in Routing and Wavelength Assignment (RWA) is investigated by analyzing the SRS parameters that related to RWA and its capabilities of influence the network performance. …”
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Signal distortion due to stimulated Raman scattering in optical CDMA transmission systems
Published 2007“…In this paper, the signal distortion due to stimulated Raman scattering (SRS) in incoherent optical code-division multiple-access (OCDMA) transmission systems is evaluated at different transmission distances. …”
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Analysis and mitigation of stimulated Raman scattering effects in OTDR monitored optical link
Published 2024“…The co-existence of both traffic signal and optical time-domain reflectometer (OTDR) signal in active fiber monitoring will affect the dynamic range of the OTDR due to backscattered stimulated Raman scattering (SRS). In this paper, a simulation model and hardware experiment are proposed to investigate and mitigate the effects of a backscattered SRS signal on OTDR active fiber monitoring. …”
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Analysis and reduction of stimulated raman scattering in DWDM fibre optic communication system
Published 2013“…Stimulated Raman scattering effect is one of the Non linear effects in Dense wavelength Division Multiplexed (DWDM) Fibre Optic communication system. …”
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Synthesis of silver decorated silica nanospheres for Surface Enhanced Raman Scattering (SERS) substrates
Published 2016“…A sol-gel technique has been used to synthesize silver decorated silica nanospheres for Surface Enhanced Raman Scattering (SERS) substrates. X- Ray diffraction (XRD) spectra shows peak at 2θ = 38.1, 44.6, 64.7, and 77.5° confirming the presence of Ag nanoparticles on the substrates. …”
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Diagnosis of tumors during tissue-conserving surgery with integrated autofluorescence and Raman scattering microscopy
Published 2013“…Here, we demonstrate an integrated optical technique based on tissue autofluorescence imaging (high sensitivity and high speed but low specificity) and Raman scattering (high sensitivity and high specificity but low speed) that can overcome these limitations. …”
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Application of tilt variable optical attenuator in optical amplifier to Correct stimulated raman scattering
Published 2009“…This tilt variable optical attenuator (16) can dynamically adjust the tilt signal levels induced by stimulated Raman scattering in the transmission systems. The overall signal flatness can be maintained after each node that results in improvement of the wavelength division multiplexed transmission systems. …”
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Impacts Of Nonlinear Stimulated Raman Scattering On The Performance Of Optical Codedivision Multiple-Access Transmission Systems
Published 2008“…In particular, nonlinear stimulated Raman scattering (SRS) causes the optical power from one mode to be transferred in the forward direction to the same, or other modes, at a different frequency. …”
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Investigation on the effect of stimulated Raman scattering in remotely‐pumped L‐band erbium‐doped fiber amplifier
Published 2009“…The effect of stimulated Raman scattering (SRS) in remote pumping scheme for L‐band erbium‐doped fiber amplifier (EDFA) was studied in this experiment. …”
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Measurements of stimulated-Raman-scattering-induced tilt in spectral-amplitude-coding optical code-division multiple-access systems
Published 2009“…We measure the stimulated Raman scattering (SRS)-induced tilt in spectral-amplitude-coding optical code-division multiple-access (SAC–OCDMA) systems as a function of system main parameters (transmission distance, power per chip, and number of users) via computer simulations. …”
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Utilization of stimulated Raman Scattering as secondary pump on hybrid remotely-pump L-band Raman/erbium-doped fiber amplifier.
Published 2011“…An L-band remotely-pumped erbium-doped fiber amplifier incorporating a secondary pumping scheme utilizing stimulated Raman Scattering (SRS) was demonstrated. 1423 nm Raman laser was employed to generate SRS which became the secondary pump source. …”
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Optical power limitations in spectral-amplitude- coding optical code-division multiple-access systems due to stimulated Raman scattering
Published 2008“…In is paper, the maximum power per chip to keep the Stimulated Raman Scattering (SRS)- induced tilt below a specific level in Spectral-Amplitude-Coding Optical Code-Division Multiple-Access (SAC-OCDMA) is evaluated for different number of users. …”
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L-band R-EDFA/Raman hybrid amplifier with enhanced higher-order pumping scheme utilizing stimulated Raman scattering.
Published 2013“…An enhanced pump delivery scheme for L-band remote erbium-doped fiber/Raman (R-EDFA/Raman) hybrid amplifier utilizing stimulated Raman scattering (SRS) is demonstrated. The technique benefits from the use of higher-order pumps that are realized by generating C-band SRS and ultra-long Raman fiber laser (ULRFL). …”
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Raman scattering reveals strong LO-phonon-hole-plasmon coupling in nominally undoped GaAsBi: optical determination of carrier concentration
Published 2014“…We report room-temperature Raman scattering studies of nominally undoped (100) GaAs1−xBix epitaxial layers exhibiting Biinduced (p-type) longitudinal-optical-plasmon coupled (LOPC) modes for 0.018≤x≤0.048. …”
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