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Proceedings Paper

Rotational second harmonic generation endoscopy with 1µm fiber laser system
Author(s): Gangjun Liu; Tuqiang Xie; Lingfeng Yu; Jianping Su; Ivan V. Tomov; Qiang Wang; Bin Rao; Jun Zhang; Zhongping Chen
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Paper Abstract

We present a kind of rotational two photon mciroendoscopy for 1μm fiber femtosecond laser. The fiber laser provide ultrashort femto-second pulses with center wavelength at 1.034μm and repetition rate of 50MH. The rotational probe is based on double cladding photonic crystal fiber (CD PCF) fiber, Grin lens, microprism and rotational MEMS motor. The MEMS motor has diameter of 2.2mm and can provide 360 degree full view rotation. We experimentally show that the DC PCF fiber works for 1μm fiber laser two photon system. Second harmonic generation (SHG) singnal line profile of rat tail tendon and fish scale was taken with the endoscopy system.

Paper Details

Date Published: 2 March 2009
PDF: 8 pages
Proc. SPIE 7172, Endoscopic Microscopy IV, 71720O (2 March 2009); doi: 10.1117/12.808287
Show Author Affiliations
Gangjun Liu, Beckman Laser Institute, Univ. of California, Irvine (United States)
Tuqiang Xie, Beckman Laser Institute, Univ. of California, Irvine (United States)
Lingfeng Yu, Univ. of California, Irvine (United States)
Jianping Su, Univ. of California, Irvine (United States)
Ivan V. Tomov, Beckman Laser Institute, Univ. of California, Irvine (United States)
Qiang Wang, Beckman Laser Institute, Univ. of California, Irvine (United States)
Bin Rao, Beckman Laser Institute, Univ. of California, Irvine (United States)
Jun Zhang, Beckman Laser Institute, Univ. of California, Irvine (United States)
Zhongping Chen, Beckman Laser Institute, Univ. of California, Irvine (United States)
Univ. of California, Irvine (United States)


Published in SPIE Proceedings Vol. 7172:
Endoscopic Microscopy IV
Guillermo J. Tearney; Thomas D. Wang, Editor(s)

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