Rotational multiphoton endoscopy with a 1 microm fiber laser system

We present multiphoton microendoscopy with a rotational probe and a 1 microm fiber-based femtosecond laser. The rotational probe is based on a double-clad photonic crystal fiber, a gradient index lens, a microprism, and a rotational microelectronicmechanical system (MEMS) motor. The MEMS motor has a...

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Bibliographic Details
Published in:Optics letters 2009-08, Vol.34 (15), p.2249-2251
Main Authors: Liu, Gangjun, Xie, Tuqiang, Tomov, Ivan V, Su, Jianping, Yu, Lingfeng, Zhang, Jun, Tromberg, Bruce J, Chen, Zhongping
Format: Article
Language:English
Subjects:
Computer-Aided Design
Endoscopes
Equipment Design
Equipment Failure Analysis
Fiber Optic Technology - instrumentation
Image Enhancement - instrumentation
Lasers
Micro-Electrical-Mechanical Systems - instrumentation
Microscopy, Fluorescence, Multiphoton - instrumentation
Reproducibility of Results
Sensitivity and Specificity
Transducers
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Summary:We present multiphoton microendoscopy with a rotational probe and a 1 microm fiber-based femtosecond laser. The rotational probe is based on a double-clad photonic crystal fiber, a gradient index lens, a microprism, and a rotational microelectronicmechanical system (MEMS) motor. The MEMS motor has a diameter of 2.2 mm and can provide 360 degrees full-view rotation. The fiber laser provides ultrashort pulses with a central wavelength at 1.034 microm and a repetition rate of 50 MHz. Second-harmonic-generation images of rat-tail tendon and fish scale are demonstrated with the rotational probe-based multiphoton system.
ISSN:0146-9592