Search Results - "Bahrampour, A R"

Impact of loss on the wave dynamics in photonic waveguide lattices by Golshani, M, Weimann, S, Jafari, Kh, Nezhad, M Khazaei, Langari, A, Bahrampour, A R, Eichelkraut, T, Mahdavi, S M, Szameit, A

“…We analyze the impact of loss in lattices of coupled optical waveguides and find that, in such a case, the hopping between adjacent waveguides is necessarily…”
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Effect of direct coupling of microrings on the gain bandwidth of cascade microring Raman amplifier by Bahrampour, A.R., Bazouband, F., Nickfarjam, V.

“…A combination of coupled microrings that are coupled to a bus waveguide is proposed as a wide-band microring Raman amplifier. This structure is called one…”
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Optimum quantum state of light for gravitational-wave interferometry by Tofighi, S., Bahrampour, A.R., Shojai, F.

“…The laser interferometric gravitational-wave detectors are sensitive to the quantum state of light employed in the dark port of interferometric system. In this…”
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A moment method analysis of the gain spectrum in bi-directionally pumped Raman amplifiers through continuous-spectrum radiation by Bahrampour, A.R., Pourmoghadas, A.

“…A semi-analytical method is proposed to solve the equations governing a bi-directionally pumped Raman amplifier through continuous-spectrum radiation. The…”
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Transient response of buried oil pipelines fiber optic leak detector based on the distributed temperature measurement by Mirzaei, A., Bahrampour, A.R., Taraz, M., Bahrampour, A., Bahrampour, M.J., Ahmadi Foroushani, S.M.

“…Oil leakage of transportation pipelines causes a change in its environmental temperature. This effect is employed to detect the leakage and its positions. The…”
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Theoretical study of hybrid TEA-CO2 lasers by KHOSRAVI, H, BAHRAMPOUR, A. R, BAHARI, A, FARRAHI, R, DANESHFAR, N

“…Temporal and spatial analysis of dynamics of hybrid transversely excited atmospheric pressure (TEA)-CO2 lasers is studied using two different models with four…”
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Nonlinear interaction of intense hypergeometric Gaussian subfamily laser beams in plasma by Sobhani, H., Vaziri (Khamedi), M., Rooholamininejad, H., Bahrampour, A.R.

“…Propagation of Hypergeometric-Gaussian laser beam in a nonlinear plasma medium is investigated by considering the Source Dependent Expansion method. A…”
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Acoustical gas-leak detection in the presence of multiple reflections, dispersion, and uncorrelated noise using optimized residual complexity by Ahmadi, A. M., Amjadi, A., Bahrampour, A. R., Ravanbod, H., Tofighi, S.

“…Precise acoustical leak detection calls for robust time-delay estimates, which minimize the probability of false alarms in the face of dispersive propagation,…”
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Effect of plasma density profile inhomogeneity on the self-generated magnetic field by Vaziri (Khamedi), M., Sohaily, S., Bahrampour, A. R.

“…The photon orbital and/or spin angular-momentum absorption in absorbing plasma medium causes the circular motion of electrons and generate the azimuthal…”
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Fourier-wavelet regularized deconvolution (ForWaRD) for lidar systems based on TEA-CO2 laser by BAHRAMPOUR, A. R, ASKARI, A. A

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Robust Acoustical Gas Leak Detection in the Presence of Correlated, Uncorrelated and Impulsive Noises, Using Wavelet-Based Optimized Residual Complexity by Ahmadi, A. M., Amjadi, A., Bahrampour, A. R.

“…Leak detection based on acoustic emission needs robust time delay estimation in the presence of various types of noise. Considering several aspects of leakage…”
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Effect of long-range correlated disorder on the transverse localization of light in 1D array of optical waveguides by Khazaei Nezhad, M., Mahdavi, S.M., Bahrampour, A.R., Golshani, M.

“…In this paper, the effects of the long-range correlated diagonal disordered optical waveguide arrays in the presence and absence of the positive Kerr…”
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An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier by Bahrampour, A.R., Rooholamini, H., Rahimi, L., Askari, A.A.

“…Optical fiber doped with lead salts quantum dots (QDs) of different radii, has previously been proposed as a wide-band amplifier in the optical communication…”
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Effect of higher-order waves in parametric oscillatory instability in optical cavities by Abdi, M, Bahrampour, A R

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Modelling high-pressure plasma using the equivalent circuit model and the mechanisms of photoionization instability by Dehghani, M, Bahrampour, A R

“…In this paper, the main discharge region and the plasma on the pre-ionization section in a TEA-CO2 laser are simulated by a distributed RLC electric circuit…”
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A simplified quasi-two-dimensional model for gain optimization in carbon dioxide gasdynamic lasers (GDL) by Bahrampour, A. R., Farrahi, R.-M., Radjabalipour, M.

“…In this paper a simplified quasi‐two‐dimensional model for small signal gain optimization in gasdynamic laser is introduced. In order to obtain a homogeneous…”
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Gain ripple minimization in the wide-band SCISSOR Raman amplifier by Bahrampour, A.R., Bazouband, F.

“…A side coupled integrated spaced sequence (SCISSOR) of Silicon or Chalcogenide glass microrings of different diameter are considered as a wide-band Raman…”
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A quasi-one-dimensional model for cascade gasdynamic lasers by BAHRAMPOUR, A. R, FARRAHI, R.-M

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Polarization maintaining optical fiber multi-intruder sensor by Bahrampour, A.R., Bathaee, M., Tofighi, S., Bahrampour, A., Farman, F., Vali, M.

“…In this paper, an optical fiber multi-intruder sensor based on polarization maintaining optical fiber (PMF), without any interferometric fiber loop, is…”
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A theoretical multi-reflection method for analysis of optomechanical behavior of the Fabry–Perot cavity with moving boundary condition by Bahrampour, A.R., Vahedi, M., Abdi, M., Ghobadi, R., Golshani, M., Tofighi, S., Parvin, B.

“…The opto-mechanical coupling and the generation of Stokes and anti-Stokes frequencies in the in-band and intra-band regimes of operation of the Fabry–Perot…”
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