Abruptly autofocusing property of blocked circular Airy beams
نویسندگان
چکیده
منابع مشابه
Pre-engineered abruptly autofocusing beams.
We introduce a new family of (2+1)D light beams with pre-engineered abruptly autofocusing properties. These beams have a circularly symmetric input profile that develops outward of a dark disk and oscillates radially as a sublinear-chirp signal, creating a series of concentric intensity rings with gradually decreasing width. The light rays involved in this process form a caustic surface of revo...
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Ioannis D. Chremmos,1,* Zhigang Chen,2 Demetrios N. Christodoulides,3 and Nikolaos K. Efremidis1 1Department of Applied Mathematics, University of Crete, Heraklion 71409, Crete, Greece 2Department of Physics and Astronomy, San Francisco State University, San Francisco, California 94132 USA 3CREOL/College of Optics, University of Central Florida, Orlando, Florida 32816 USA (Received 10 November ...
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We report on the experimental observation of abruptly autofocusing waves. This interesting family of wave packets has been realized by using a radially symmetric Airy intensity distribution. As demonstrated in our experiments, these waves can exhibit unusual features, such as the ability to autofocus by following a parabolic trajectory toward their focus.
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We observe optical trapping and manipulation of dielectric microparticles using autofocusing radially symmetric Airy beams. This is accomplished by exploiting either the inward or outward transverse acceleration associated with their chirped wavefronts. We experimentally demonstrate, for the first time to our knowledge, that such Airy beams morph into nondiffracting Bessel beams in their far-fi...
متن کاملFourier-space generation of abruptly autofocusing beams and optical bottle beams.
We demonstrate analytically and experimentally that a circular abruptly autofocusing (AAF) Airy beam can be generated by Fourier-transforming an appropriately apodized Bessel beam whose radial oscillations are chirped by a cubic phase term. Depending on the relation between the chirp rate and the focal distance of the Fourier-transforming lens, it is possible to generate AAF beams with one or t...
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ژورنال
عنوان ژورنال: Optics Express
سال: 2014
ISSN: 1094-4087
DOI: 10.1364/oe.22.022847