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Optical trapping with "on-demand" two-photon luminescence using Cr:LiSAF laser with optically addressed saturable Bragg reflector

Savitski, Vasili G. and Metzger, Nikolaus K. and Calvez, Stephane and Burns, David and Sibbett, W. and Brown, C. T. A. (2012) Optical trapping with "on-demand" two-photon luminescence using Cr:LiSAF laser with optically addressed saturable Bragg reflector. Optics Express, 20 (7). pp. 7066-7070. ISSN 1094-4087

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Abstract

We demonstrate a diode-pumped Cr:LiSAF laser with controllable and reliable fast switching between its continuous-wave and mode-locked states of operation using an optically-addressed semiconductor Bragg reflector, permitting dyed microspheres to be continuously trapped and monitored using a standard microscope imaging and on-demand two-photon-excited luminescence techniques.