Transformation of the spatial coherence of pulsed laser radiation in a delay line

The destruction of the spatial coherence of multimode laser radiation in a delay-line-based system is analysed theoretically and experimentally. A scheme of a coherence-transforming device operating in a broad wavelength range and various lasing regimes is proposed. This scheme is shown to be effici...

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Veröffentlicht in:	Quantum electronics (Woodbury, N.Y.) N.Y.), 2003-03, Vol.33 (3), p.255-258
Hauptverfasser:	Ivakin, E V, Kitsak, A I, Karelin, M U, Lazaruk, A M, Rubanov, A S
Format:	Artikel
Sprache:	eng
Schlagworte:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Coherence ELECTROMAGNETIC RADIATION Exact sciences and technology Fundamental areas of phenomenology (including applications) Imaging and optical processing LASER RADIATION NOISE Optics Physics RADIATIONS SPACE DEPENDENCE Speckle and moire patterns TRANSFORMATIONS Wave optics WAVELENGTHS
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Beschreibung
Zusammenfassung:	The destruction of the spatial coherence of multimode laser radiation in a delay-line-based system is analysed theoretically and experimentally. A scheme of a coherence-transforming device operating in a broad wavelength range and various lasing regimes is proposed. This scheme is shown to be efficient for rapid speckle-noise suppression in optical recording and lithography. (laser applications and other topics in quantum electronics)
ISSN:	1063-7818 1468-4799
DOI:	10.1070/QE2003v033n03ABEH002396