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Optical trapping of spermatozoa using Laguerre-Gaussian laser modes
Raktim Dasgupta1, Sunita Ahlawat, Ravi Shanker Verma
1Raja Ramanna Centre for Advanced Technology, Laser Biomedical Applications and Instrumentation Division, Indore, India. raktim@rrcat.gov.in.
Journal of Biomedical Optics
|January 5, 2011
Abstract:
We report results of a study on the use of Laguerre-Gaussian (LG) modes for optical trapping of spermatozoa. The results show that for a given trap beam power the first-order LG mode (LG(01)) leads to lower photodamage to the cells without compromising the trapping efficiency.
