Precision spectral shaping applied to FM pulses

Author

Waxer, L.J. ; Kelly, J.H. ; Marozas, J.A. ; Babushkin, A. ; Bibeau, C. ; Bayramian, A. ; Beach, Robin ; Payne, Stephen

Author_Institution

Lab. for Laser Energetics, Rochester Univ., NY, USA

fYear

2002

fDate

24-24 May 2002

Firstpage

363

Abstract

Summary from only given. Materials such as Yb:SFAP are a promising gain medium for future high-repetition- rate, diode-pumped fusion lasers for energy applications. Beam-smoothing requirements dictate, however, that these lasers have an amplified FM bandwidth of /spl sim/ 1/3 THz prior to frequency conversion, which is comparable to the gain bandwidth ofYb:SFAP. Therefore, gain narrowing in these amplifiers will reduce the on-target bandwidth and produce severe, potentially damaging amplitude modulation (AM) at the output of the laser system.

Keywords

amplitude modulation; frequency modulation; laser fusion; optical frequency conversion; plasma inertial confinement; semiconductor lasers; spectral line breadth; spectral line narrowing; ytterbium; 0.33 THz; FM pulses; ICF; amplified FM bandwidth; amplitude modulation; beam-smoothing; frequency conversion; gain bandwidth; gain medium; gain narrowing; high-repetition- rate diode-pumped fusion lasers; inertial confinement fusion; precision spectral shaping; Amplitude modulation; Bandwidth; Diodes; Frequency conversion; Frequency modulation; Laser applications; Laser fusion; Optical materials; Pulse amplifiers; Pulse shaping methods;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2002. CLEO '02. Technical Digest. Summaries of Papers Presented at the

Conference_Location

Long Beach, CA, USA

Print_ISBN

1-55752-706-7

Type

conf

DOI

10.1109/CLEO.2002.1034088

Filename

1034088