Theoretical demonstration of all-optical switchable and tunable UWB doublet pulse train generator utilizing SOA wavelength conversion and tunable time delay
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers of Optoelectronics"
DOI: 10.1007/s12200-017-0711-y
Abstract: An all-optical ultrawide band (UWB) doublet pulse train signal generator is proposed and theoretically simulated by utilizing an inverse wavelength conversion base on the cross-gain modulation (XGM) effect in a semiconductor optical amplifier (SOA) and… read more here.
Keywords: pulse train; pulse; wavelength conversion; uwb doublet ... See more keywords
Automatic selection of frequency domain filter for interference fringe analysis in pulse-train interferometer
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.04.080
Abstract: Abstract The Fourier transform method is typically used to extract the fringe envelope from a pulse-train interference fringe by separating the signal and noise in the frequency domain. Thus, the question of automatic selection of… read more here.
Keywords: pulse train; interference; fringe; domain filter ... See more keywords
Q-switched fiber laser operating at 1 μm region with electron beam deposited titanium nanoparticles
Sign Up to like & getrecommendations! Published in 2019 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2019.105702
Abstract: Abstract We demonstrate the generation of Q-switched pulse train in Ytterbium-Doped Fiber Laser (YDFL) cavity by employing titanium (Ti) thin film as a passive saturable absorber (SA). The Ti-SA was fabricated by depositing Ti particles… read more here.
Keywords: pulse train; fiber laser; electron beam; switched fiber ... See more keywords
Pulse train controlled buck converter with coupled inductors
Sign Up to like & getrecommendations! Published in 2017 at "Iet Power Electronics"
DOI: 10.1049/iet-pel.2016.0798
Abstract: Pulse train (PT) controlled switching DC/DC converters possess advantages of simple structure, fast dynamic response, good robustness etc. but also accompanied by undesirable low-frequency oscillation phenomenon when the converters are operated in continuous conduction mode… read more here.
Keywords: train controlled; buck converter; pulse train; oscillation ... See more keywords
Stimulated-Raman-scattering amplification of attosecond XUV pulses with pulse-train pumps and application to local in-depth plasma-density measurement.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.045208
Abstract: We present a scheme for amplifying an extreme-ultraviolet (XUV) seed isolated attosecond pulse via stimulated Raman scattering of a pulse-train pump. At sufficient seed and pump intensity, the amplification is nonlinear, and the amplitude of… read more here.
Keywords: density; pulse train; raman scattering; amplification ... See more keywords
Design of Generalized Sinusoidal Frequency Modulated Pulse Train Waveform to Improve Tracking Performance of High Duty Cycle Sonar Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3210986
Abstract: High duty cycle sonar (HDCS) systems have a high potential for improving tracking performance compared to conventional pulsed active sonar systems, but their implementation has been challenging to achieve. This is because conventional waveform design… read more here.
Keywords: pulse train; train waveform; design; tracking performance ... See more keywords
Accurate Estimation of LPI Radar Pulse Train Parameters via Change Point Detection
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3242684
Abstract: Estimating the time of arrival (TOA), pulse width (PW), and pulse repetition interval (PRI) is critical for identifying the low probability of intercept (LPI) radar signals as it is common in electronic warfare (EW) to… read more here.
Keywords: pulse train; pulse; lpi radar; radar pulse ... See more keywords
Low-Loss Optical Nyquist Pulse Train Generation Using Nonauxiliary Wavelength Selective Switch in Communication Band
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2905687
Abstract: We report low-loss optical Nyquist pulse train generation using a non-auxiliary wavelength selective switch (WSS). The typical approach for optical Nyquist pulse train generation involves two procedures. The first is conversion from a laser output… read more here.
Keywords: pulse train; nyquist; nyquist pulse; loss ... See more keywords
Multifunctional Wavelength-Selective Switch for Nyquist Pulse Generation and Multiplexing
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2018.2866098
Abstract: We demonstrate optical Nyquist pulse train generation using a wavelength-selective switch (WSS) without an optical multiplexing circuit. The representative approach generating optical Nyquist pulse trains is based on spectral filtering with a WSS and optical… read more here.
Keywords: pulse train; wavelength selective; nyquist; optical nyquist ... See more keywords
Reconstruction of Radar Pulse Repetition Pattern via Semantic Coding of Intercepted Pulse Trains
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2022.3187385
Abstract: The timing structure of multiple successive radar pulses constructs a high-dimensional pattern for intercepted pulse trains, which is called as pulse repetition interval (PRI) pattern. By treating the radar as a machine that uses differently… read more here.
Keywords: intercepted pulse; pulse train; radar; radar pulse ... See more keywords
Photoacoustic signal-to-noise ratio comparison for pulse and continuous waveforms of very low optical fluence
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Biomedical Optics"
DOI: 10.1117/1.jbo.27.7.076006
Abstract: Abstract. Significance: A majority in the photoacoustic (PA) community unconditionally accepts that pulse PA signals show much higher signal-to-noise ratios (SNRs) than continuously excited PA signals. However, we indicate this existing notion would not be… read more here.
Keywords: low optical; signal noise; pulse train; fluence ... See more keywords