Search Results - "Chang, Zenghu"

The generation, characterization and applications of broadband isolated attosecond pulses by Chini, Michael, Zhao, Kun, Chang, Zenghu

“…The generation of extremely short isolated attosecond pulses requires both a broad spectral bandwidth and control of the spectral phase. Rapid progress has…”
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Attosecond science based on high harmonic generation from gases and solids by Li, Jie, Lu, Jian, Chew, Andrew, Han, Seunghwoi, Li, Jialin, Wu, Yi, Wang, He, Ghimire, Shambhu, Chang, Zenghu

“…Recent progress in high power ultrafast short-wave and mid-wave infrared lasers has enabled gas-phase high harmonic generation (HHG) in the water window and…”
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53-attosecond X-ray pulses reach the carbon K-edge by Li, Jie, Ren, Xiaoming, Yin, Yanchun, Zhao, Kun, Chew, Andrew, Cheng, Yan, Cunningham, Eric, Wang, Yang, Hu, Shuyuan, Wu, Yi, Chini, Michael, Chang, Zenghu

“…The motion of electrons in the microcosm occurs on a time scale set by the atomic unit of time—24 attoseconds. Attosecond pulses at photon energies…”
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Polarization gating of high harmonic generation in the water window by Li, Jie, Ren, Xiaoming, Yin, Yanchun, Cheng, Yan, Cunningham, Eric, Wu, Yi, Chang, Zenghu

“…We implement the polarization gating (PG) technique with a two-cycle, 1.7 μm driving field to generate an attosecond supercontinuum extending to the water…”
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Attosecond time-resolved autoionization of argon by Wang, He, Chini, Michael, Chen, Shouyuan, Zhang, Chang-Hua, He, Feng, Cheng, Yan, Wu, Yi, Thumm, Uwe, Chang, Zenghu

“…Autoionization of argon atoms was studied experimentally by transient absorption spectroscopy with isolated attosecond pulses. The peak position, intensity,…”
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High-harmonic generation in amorphous solids by You, Yong Sing, Yin, Yanchun, Wu, Yi, Chew, Andrew, Ren, Xiaoming, Zhuang, Fengjiang, Gholam-Mirzaei, Shima, Chini, Michael, Chang, Zenghu, Ghimire, Shambhu

“…High-harmonic generation in isolated atoms and molecules has been widely utilized in extreme ultraviolet photonics and attosecond pulse metrology. Recently,…”
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Monitoring Argon L-Shell Auger Decay Using 250-eV Attosecond X-ray Pulses by Han, Seunghwoi, Zhao, Kun, Chang, Zenghu

“…Electron correlation describes the interaction between electrons in a multi-electron system. It plays an important role in determining the speed of relaxation…”
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A study of micropool lubricated cutting tool in machining of mild steel by Lei, Shuting, Devarajan, Sasikumar, Chang, Zenghu

“…This paper presents an experimental study of the performance of micropool lubricated cutting tool in machining mild steel. Microholes are made using…”
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Attosecond pulse retrieval from noisy streaking traces with conditional variational generative network by Zhu, Zheyuan, White, Jonathon, Chang, Zenghu, Pang, Shuo

“…Accurate characterization of an attosecond pulse from streaking trace is an indispensable step in studying the ultrafast electron dynamics on the attosecond…”
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Double optical gating of high-order harmonic generation with carrier-envelope phase stabilized lasers by Mashiko, Hiroki, Gilbertson, Steve, Li, Chengquan, Khan, Sabih D, Shakya, Mahendra M, Moon, Eric, Chang, Zenghu

“…We demonstrated a novel optical switch to control the high-order harmonic generation process so that single attosecond pulses can be generated with…”
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Optical Gating With Asymmetric Field Ratios for Isolated Attosecond Pulse Generation by Cunningham, Eric, Zenghu Chang

“…A technique to improve double optical gating for generating isolated attosecond pulses is introduced. In this method, the ratio between the amplitudes of the…”
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Generation of isolated attosecond pulses with 20 to 28 femtosecond lasers by Feng, Ximao, Gilbertson, Steve, Mashiko, Hiroki, Wang, He, Khan, Sabih D, Chini, Michael, Wu, Yi, Zhao, Kun, Chang, Zenghu

“…Isolated attosecond pulses are powerful tools for exploring electron dynamics in matter. So far, such extreme ultraviolet pulses have only been generated using…”
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Carrier-envelope phase control of a 10 Hz, 25 TW laser for high-flux extreme ultraviolet quasi-continuum generation by Cunningham, E., Wu, Y., Chang, Zenghu

“…A scheme for stabilizing the carrier-envelope phase (CEP) of low-repetition rate lasers was demonstrated using a 350 mJ, 14 fs Ti:Sapphire laser operating at…”
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Characterizing ultrabroadband attosecond lasers by Chini, Michael, Gilbertson, Steve, Khan, Sabih D, Chang, Zenghu

“…Recent progress in sub-laser-cycle gating of high-order harmonic generation promises to push the limits on optical pulse durations below the atomic unit of…”
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Monitoring and controlling the electron dynamics in helium with isolated attosecond pulses by Gilbertson, Steve, Chini, Michael, Feng, Ximao, Khan, Sabih, Wu, Yi, Chang, Zenghu

“…Helium atoms in the presence of extreme ultraviolet light pulses can lose electrons through direct photoionization or through two-electron excitation followed…”
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Generation of few-cycle multi-millijoule 2.5 μm pulses from a single-stage Cr2+:ZnSe amplifier by Wu, Yi, Zhou, Fangjie, Larsen, Esben W., Zhuang, Fengjiang, Yin, Yanchun, Chang, Zenghu

“…Lasers capable of generating attosecond X-ray pulses in the water window (282 to 533 eV) through high-order harmonic generation are normally based on…”
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Double optical gating for generating high flux isolated attosecond pulses in the soft X-ray regime by Li, Jie, Chew, Andrew, Hu, Shuyuan, White, Jonathon, Ren, Xiaoming, Han, Seunghwoi, Yin, Yanchun, Wang, Yang, Wu, Yi, Chang, Zenghu

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Coherent phase-matched VUV generation by field-controlled bound states by Chini, Michael, Wang, Xiaowei, Cheng, Yan, Wang, He, Wu, Yi, Cunningham, Eric, Li, Peng-Cheng, Heslar, John, Telnov, Dmitry A., Chu, Shih-I, Chang, Zenghu

“…Little attention has been devoted to development and characterization of below-threshold harmonic sources, which are critical for extending time-resolved…”
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Towards Terawatt Sub-Cycle Long-Wave Infrared Pulses via Chirped Optical Parametric Amplification and Indirect Pulse Shaping by Yin, Yanchun, Chew, Andrew, Ren, Xiaoming, Li, Jie, Wang, Yang, Wu, Yi, Chang, Zenghu

“…We present an approach for both efficient generation and amplification of 4–12  μ m pulses by tailoring the phase matching of the nonlinear crystal Zinc…”
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Ho:YLF amplifier with Ti:Sapphire frontend for pumping mid-infrared optical parametric amplifier by Murari, Krishna, Zhou, Fangjie, Yin, Yanchun, Wu, Yi, Weaver, Bruce, Avni, Timur, Larsen, Esben, Chang, Zenghu

“…We present a Ho:YLF Chirped-Pulse Amplification laser for pumping a longwave infrared Optical Parametric Chirped Pulse Amplifier at a 1 kHz repetition rate. By…”
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