Title :
Efficient conversion of light from sparse laser arrays into single-lobed far-fields using phase structures
Author :
Khajavikhan, M. ; Leger, J.R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Minnesota, Minneapolis, MN
Abstract :
We demonstrate a new optical technique that converts light from a sparse array of mutually coherent sources into a single-lobed far-field with a theoretical efficiency approaching 100%. Initial experimental results show conversion efficiencies of 82%.
Keywords :
fibre lasers; laser beams; light coherence; fiber lasers; light conversion; mutually coherent sources; optical technique; phase structures; single-lobed far-fields; sparse laser arrays; Computer simulation; Fiber lasers; Filling; Laser beams; Laser modes; Optical arrays; Optical coupling; Phased arrays; Shape; Stimulated emission; 070.6110; 140.3298; 140.3300;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
