Influence of laser contrast on high-order harmonic generation from solid-density plasma surfaces

Jian Gao; Feng Liu; Xulei Ge; Yanqing Deng; Guobo Zhang; Yuan Fang; Wenqing Wei; Su Yang; Xiaohui Yuan; Min Chen; Zhengming Sheng; Jie Zhang

doi:10.3788/COL201715.081902

Journals >Chinese Optics Letters >Volume 15 >Issue 8 >Page 081902 > Article

Chinese Optics Letters
Vol. 15, Issue 8, 081902 (2017)

Influence of laser contrast on high-order harmonic generation from solid-density plasma surfaces | On the Cover

Jian Gao^1、2, Feng Liu^1、2、*, Xulei Ge^1、2、3, Yanqing Deng^1、2、4, Guobo Zhang^1、2、4, Yuan Fang^1、2, Wenqing Wei^1、2, Su Yang^1、2, Xiaohui Yuan^1、2, Min Chen^1、2, Zhengming Sheng^1、2、5, and Jie Zhang^1、2

Author Affiliations

¹Key Laboratory for Laser Plasmas (Ministry of Education) and Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China

²Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiao Tong University, Shanghai 200240, China

³State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, China

⁴College of Science, National University of Defense Technology, Changsha 410073, China

⁵SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, UK

show less

DOI: 10.3788/COL201715.081902 Cite this Article Set citation alerts

Jian Gao, Feng Liu, Xulei Ge, Yanqing Deng, Guobo Zhang, Yuan Fang, Wenqing Wei, Su Yang, Xiaohui Yuan, Min Chen, Zhengming Sheng, Jie Zhang. Influence of laser contrast on high-order harmonic generation from solid-density plasma surfaces[J]. Chinese Optics Letters, 2017, 15(8): 081902 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

Top panel is the experimental setup for HOHG. The bottom panel is the raw image of the harmonic spectrum obtained from the glass target with a PM.

Fig. 1. Top panel is the experimental setup for HOHG. The bottom panel is the raw image of the harmonic spectrum obtained from the glass target with a PM.

Download full size | View in the Article

Fig. 2. (a) Schematic of the PM system. (b) The picosecond ASE contrast ratios measured without (black) and with (red) the PM.

Download full size | View in the Article

Fig. 3. The raw spectral image (top panel) and spectrum of high-order harmonics (bottom panel) obtained (a) with and (b) without the PM in the specular direction of the incident laser.

Download full size | View in the Article

Fig. 4. (Color online) (a) Dependence of 18th harmonic intensities on the plasma scale lengths

L

obtained in the experiment (red). The blue line indicates the intensity of the background plasma emission. The harmonic spectra obtained by PIC simulations with different plasma scale lengths (b)