Title :
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
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;
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
DOI :
10.1109/CLEO.2002.1034088
