Theoretical and experimental study for shortening laser pulse width by pinhole plasma shutter Ebrahim Jaafari, Masoud Kavosh Tehrani, Mohammad Malek Mohammad and Hossian Saghafifar Eur. Phys. J. Appl. Phys., 70 2 (2015) 20802 Published online: 21 May 2015 DOI: 10.1051/epjap/2015140510