DocumentCode
2901771
Title
Speckle contrast reduction from a large core fibre delivering Q-switched pulses
Author
Parry, J.P. ; Shephard, J.D. ; Jones, J.D.C. ; Hand, D.P.
Author_Institution
Heriot-Watt Univ., Edinburgh, UK
fYear
2005
fDate
12-17 June 2005
Firstpage
516
Abstract
In this paper, we describe a technique to smooth the Q-switched pulse output from the large core fibre by effectively reducing the degree of coherence of the laser beam before launch and thus reducing contrast in the speckle. Whilst developed for PIV, the technique is capable of general applicability.
Keywords
Q-switching; fibre lasers; laser velocimetry; PIV technique; large-core fibre delivering Q-switched pulses; laser beam coherence reduction; particle image velocimetry; speckle contrast reduction; Adaptive optics; Fiber lasers; Laser beams; Lighting; Optical fiber polarization; Optical pulses; Optical waveguides; Power lasers; Speckle; Waveguide lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Europe, 2005. CLEO/Europe. 2005 Conference on
Print_ISBN
0-7803-8974-3
Type
conf
DOI
10.1109/CLEOE.2005.1568294
Filename
1568294
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