Generation of uniform lines with variable size using a beam shaping hybrid zoom optical system

Arnold Daniels; Glyn D. W. Lewis; Kurt Kanzler

doi:10.1117/12.508077

3 November 2003 Generation of uniform lines with variable size using a beam shaping hybrid zoom optical system

Arnold Daniels, Glyn D. W. Lewis, Kurt Kanzler

Proceedings Volume 5175, Laser Beam Shaping IV; (2003) https://doi.org/10.1117/12.508077
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

A state-of-the-art laser beam shaper zoom optical system has been developed. This optical device, efficiently converts a 532 nm single-mode Gaussian intensity profile into top hat lines of variable size with peak-to-valley non-uniformities of ≤±8%. This hybrid zoom system is capable of generating line lengths ranging between 0.16 mm to 1 mm, and line widths of up to 15 μm. The lines are of square-like shape in the long axis while they remain Gaussian in the short axis. The system was designed, fabricated, and tested using a laser with a nominal input Gaussian beam waist of 2.25 mm at the 1/e² intensity points, and a nominal M² of less than 1.1. Techniques associated with the system alignment during the optical assembly and system integration are discussed. The optical design and test results of the diffractive-optical system are also presented.

Citation Download Citation

Arnold Daniels, Glyn D. W. Lewis, and Kurt Kanzler "Generation of uniform lines with variable size using a beam shaping hybrid zoom optical system", Proc. SPIE 5175, Laser Beam Shaping IV, (3 November 2003); https://doi.org/10.1117/12.508077

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