Rotational second harmonic generation endoscopy with 1µm fiber laser system

Gangjun Liu; Tuqiang Xie; Lingfeng Yu; Jianping Su; Ivan V. Tomov; Qiang Wang; Bin Rao; Jun Zhang; Zhongping Chen

doi:10.1117/12.808287

2 March 2009 Rotational second harmonic generation endoscopy with 1μm fiber laser system

Gangjun Liu, Tuqiang Xie, Lingfeng Yu, Jianping Su, Ivan V. Tomov, Qiang Wang, Bin Rao, Jun Zhang, Zhongping Chen

Proceedings Volume 7172, Endoscopic Microscopy IV; 71720O (2009) https://doi.org/10.1117/12.808287
Event: SPIE BiOS, 2009, San Jose, California, United States

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.

Citation Download Citation

Gangjun Liu, Tuqiang Xie, Lingfeng Yu, Jianping Su, Ivan V. Tomov, Qiang Wang, Bin Rao, Jun Zhang, and Zhongping Chen "Rotational second harmonic generation endoscopy with 1μm fiber laser system", Proc. SPIE 7172, Endoscopic Microscopy IV, 71720O (2 March 2009); https://doi.org/10.1117/12.808287

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