Journal
OPTICS LETTERS
Volume 36, Issue 22, Pages 4437-4439Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.36.004437
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Funding
- government of Spain [TEC2009-10025, FIS2010-14831]
- Future and Emerging Technologies (FET) Programme [255914]
- Fondo de Cooperacion Internacional en Ciencia y Tecnologia (FONCICYT) [94142]
- Fundacio Privada Cellex Barcelona
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When a light beam with a transverse spatially varying phase is considered for optical remote sensing, in addition to the usual longitudinal Doppler frequency shift of the returned signal induced by the motion of the scatter along the beam axis, a new transversal Doppler shift appears associated to the motion of the scatterer in the plane perpendicular to the beam axis. We discuss here how this new effect can be used to enhance the current capabilities of optical measurement systems, adding the capacity to detect more complex movements of scatters. (C) 2011 Optical Society of America
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