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Applied Optics

Applied Optics


  • Vol. 22, Iss. 21 — Nov. 1, 1983
  • pp: 3366–3370

Multiple aperture laser systems for thermal blooming environments

Neil C. Schoen and Daniel E. Novoseller  »View Author Affiliations

Applied Optics, Vol. 22, Issue 21, pp. 3366-3370 (1983)

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An approach to improving power densities on target for high-energy laser systems operating in thermal blooming environments is presented. The concept employs small discrete subapertures in place of a large single aperture to reduce thermal blooming effects in the target region. Preliminary calculations indicate that subunit phase control is not essential to achieving adequate performance. Wave-optics computer codes were used to study key performance parameters in addition to predicting target irradiances for several simple (two- and four-subaperture) system models. Improvements of the order of 30% in peak irradiances were found, compared with equal total area single apertures. A preliminary evaluation implies that a multiaperture system can be configured to achieve at least comparable performance as a monolithic system but with smaller less costly optical elements.

© 1983 Optical Society of America

Original Manuscript: March 24, 1983
Published: November 1, 1983

Neil C. Schoen and Daniel E. Novoseller, "Multiple aperture laser systems for thermal blooming environments," Appl. Opt. 22, 3366-3370 (1983)

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