Title :
Performance of smoothing by spectral dispersion (SSD) with frequency conversion on the beamlet laser for the National Ignition Facility
Author :
Rothenberg, J.E. ; Moran, B. ; Wegner, P. ; Weiland, T.
Author_Institution :
Lawrence Livermore Nat. Lab., CA, USA
Abstract :
Summary form only given. Inertial confinement fusion (ICF) utilizing direct or indirect laser drive requires the target illumination to be uniform over a wide range of spatial frequencies. A number of approaches have been suggested to achieve the desired level of illumination uniformity; angular dispersion of phase-modulated (FM) light (termed smoothing by spectral dispersion or SSD) is attractive for ICF using glass lasers, since pure phase modulation preserves the uniform intensity profiles necessary for high power laser amplification.
Keywords :
fusion reactor ignition; laser beams; optical dispersion; optical modulation; phase modulation; plasma production by laser; solid lasers; National Ignition Facility; beamlet laser; direct laser drive; frequency conversion; glass lasers; high power laser amplification; indirect laser drive; inertial confinement fusion; laser beam smoothing; phase-modulated light; pure phase modulation; spatial frequencies; spectral dispersion; target illumination; uniform intensity profiles; Frequency conversion; Ignition; Laser beams; Laser fusion; Lighting; Optical pulses; Power lasers; Pulse measurements; Smoothing methods; Spatial filters;
Conference_Titel :
Lasers and Electro-Optics, 1998. CLEO 98. Technical Digest. Summaries of papers presented at the Conference on
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
1-55752-339-0
DOI :
10.1109/CLEO.1998.676271
