Miniaturized probe based on a microelectromechanical system mirror for multiphoton microscopy |
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Authors: | Jung Woonggyu Tang Suo McCormic Daniel T Xie Tiquiang Ahn Yeh-Chan Su Jianping Tomov Ivan V Krasieva Tatiana B Tromberg Bruce J Chen Zhongping |
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Institution: | Beckman Laser Institute, University of California, Irvine, CA 92697, USA. |
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Abstract: | A factor that limits the use of multiphoton microscopy (MPM) in clinical and preclinical studies is the lack of a compact and flexible probe. We report on a miniaturized MPM probe employing a microelectromechanical system (MEMS) scanning mirror and a double-clad photonic crystal fiber (DCPCF). The use of a MEMS mirror and a DCPCF provides many advantages, such as size reduction, rapid and precise scanning, efficient delivery of short pulses, and high collection efficiency of fluorescent signals. The completed probe was 1 cm in outer diameter and 14 cm in length. The developed probe was integrated into an MPM system and used to image fluorescent beads, paper, and biological specimens. |
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