Results 31 to 40 of about 1,033,909 (189)
Longitudinal drift compression and pulse shaping for high-intensity particle beams
Physical Review Special Topics. Accelerators and Beams, 2002 High beam current can be achieved by longitudinally compressing bunched beams. The objective of drift compression is to compress a long beam bunch by imposing an initial longitudinal velocity distribution over the length of the beam in the beam frame ...
Hong Qin, Ronald C. Davidson
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MPD model for radar echo signal of hypersonic targets
The Journal of Engineering, 2014 The stop-and-go (SAG) model is typically used for echo signal received by the radar using linear frequency modulation pulse compression. In this study, the authors demonstrate that this model is not applicable to hypersonic targets. Instead of SAG model,
Xu Xuefei, Liao Guisheng
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Post-Compression of 9.2-µm Terawatt Laser Pulses to Femtoseconds [PDF]
EPJ Web of Conferences, 2021 Contemporary CO2 laser systems are capable to delivering picosecond pulses of the multi-terawatt peak power. Further pulse compression to a few cycles is possible using a post-compression in bulk materials with negative group velocity dispersion (GVD ...
Pogorelsky Igor V. +3 more
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New Journal of Physics, 2020 Achieving a few-femtosecond (fs) temporal resolution in electron diffraction and electron microscopy is essential for directly tracking the electronic processes and the fastest atomic motions in molecule and condensed matter systems.
Yingpeng Qi +6 more
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Pulse compression for weather radars [PDF]
IEEE Transactions on Geoscience and Remote Sensing, 1998 Wideband waveform techniques, such as pulse compression, allow for accurate weather radar measurements in a short data acquisition time. However, for extended targets such as precipitation systems, range sidelobes mask and corrupt observations of weak phenomena occurring near areas of strong echoes.
Ashok S. Mudukutore +2 more
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Nearly Self-Similar Pulse Compression in Horizontally Slotted Waveguides at 2.0 μm
IEEE Photonics JournalThe picosecond pulse can be directly generated in the integrated mode-locked laser, which reduces the size of light source to the optical chip. However, it is still a challenge to directly generate femtosecond pulses in the integrated scheme.
Jiayao Huang, Feng Ye, Qian Li
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Enhanced Pulse Compression within Sign-Alternating Dispersion Waveguides
Photonics, 2021 We show theoretically and numerically how to optimize sign-alternating dispersion waveguides for maximum nonlinear pulse compression, while leveraging the substantial increase in bandwidth-to-input peak power advantage of these structures.
Haider Zia
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Four-Fold, Cross-Phase Modulation Driven UV Pulse Compression in a Thin Bulk Medium
PhotonicsGeneration of high energy few-fs pulses in the ultraviolet (UV) still represents challenges due to compression and phase control difficulties in this spectral range. Presented here is a pulse compression approach utilizing cross-phase modulation within a
Peter Susnjar +6 more
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All-optical three-dimensional electron pulse compression
New Journal of Physics, 2015 We propose an all-optical, three-dimensional electron pulse compression scheme in which Hermite–Gaussian optical modes are used to fashion a three-dimensional optical trap in the electron pulse’s rest frame.
Liang Jie Wong +4 more
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Results in Optics, 2021 An enhanced self-similar pulse compression with suspended core photonic crystal fiber has been theoretically studied. The proposed model well support the essential criteria of having very low dispersion and increased nonlinearity with increasing ...
A. Sharafali, D Vigneswaran, Bora Ung
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