activity
20132024
most citedPhase-Matched Generation of Coherent Soft-X-Rays

905 citations · 1.2k across the 10 of their papers we have counts for

collaborators

10 papers

physics.optics2024★ 905 cited

Phase-Matched Generation of Coherent Soft-X-Rays

Andy Rundquist, Charles G. Durfee, Zenghu Chang +4

Phase-matched harmonic conversion of visible laser light into soft x-rays was demonstrated. The recently developed technique of guided-wave frequency conversion was used to upshift…

physics.acc-ph2022★ 1 cited

High average power ultrafast laser technologies for driving future advanced accelerators

Leily Kiani, Tong Zhou, Seung-Whan Bahk +34

Large scale laser facilities are needed to advance the energy frontier in high energy physics and accelerator physics. Laser plasma accelerators are core to advanced accelerator co…

physics.optics2020★ 11 cited

Ho:YLF amplifier with Ti:Sapphire frontend for pumping mid-infrared optical parametric amplifier

Krishna Murari, Fangjie Zhou, Yanchun Yin +5

We present a Ho:YLF Chirped-Pulse Amplification (CPA) laser for pumping a longwave infrared Optical Parametric Chirped Pulse Amplifier (OPCPA) at a 1 kHz repetition rate. By utiliz…

physics.optics2019★ 1 cited

Generation of 3 mJ, 44 fs, 2.5 micrometer pulses from a single-stage Cr2+:ZnSe amplifier

Yi. Wu, Fangjie Zhou, Esben W. Larsen +3

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 inefficient, multi-stage optic…

eess.IV2019★ 11 cited

Signal retrieval with measurement system knowledge using variational generative model

Zheyuan Zhu, Yangyang Sun, Johnathon White +2

Signal retrieval from a series of indirect measurements is a common task in many imaging, metrology and characterization platforms in science and engineering. Because most of the i…

physics.atom-ph2019

Enhancing keV high harmonic signals generated by long-wave infrared lasers

Zenghu Chang

It is demonstrated by single-atom simulations that X-ray signals in the 3.4 to 4 keV region from an 8 micron laser driven high harmonic generation can be increased by more than two…

physics.atom-ph2019★ 5 cited

Real-time observation of electronic, vibrational, and rotational dynamics in nitric oxide with attosecond soft X-ray pulses at 400 eV

Nariyuki Saito, Hiroki Sannohe, Nobuhisa Ishii +7

Photoinduced quantum dynamics in molecules have hierarchical temporal structures with different energy scales that are associated with electron and nuclear motions. Femtosecond-to-…

physics.optics2017★ 208 cited

High-harmonic generation in amorphous solids

Yong Sing You, Yanchun Yin, Yi Wu +7

High-order harmonic generation (HHG) in isolated atoms and molecules has been widely utilized in extreme ultraviolet (XUV) photonics and attosecond pulse metrology. Recently, HHG h…

physics.optics2015★ 16 cited

Carrier-Envelope Phase Control of a 10 Hz, 25 TW Laser for High-Flux XUV Continuum Generation

Eric Cunningham, Yi Wu, Zenghu Chang

A novel 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 10 Hz. The influ…

physics.optics2013★ 1 cited

Broadband Isolated Attosecond Pulses: Generation, Characterization, and Applications

Michael Chini, Kun Zhao, Zenghu Chang

The generation of the shortest isolated attosecond pulses requires both broad spectral bandwidth and control of the spectral phase. Rapid progress has been made in both aspects, le…