Abstract
We report a new method for constructing a single fiber optical tweezers, which can realize
multi-dimensional manipulation of trapped yeast cells by using a LP
$_{\bf 11}$
mode beam excited in a normal communication single core optical fiber. This allows a simple and convenient
orientation control on the trapped yeast cells. The LP
$_{\bf 11}$
mode beam, both for generating trap and orientation manipulation, has been modulated by using the tension and twisting
loaded on the fiber. We present experimental results of controllable deflection and orientation manipulation of the
yeast cells. To the best of our knowledge, it is the first report about the trapped yeast cells being driven by the
normal single fiber optical tweezers in multi dimensions, and it constitutes a new development for single fiber
optical trapping and makes possible of more practical applications in the biomedical research fields.
© 2014 IEEE
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