采用1微米光纤激光系统的旋转多光子内窥镜检查法。
Rotational multiphoton endoscopy with a 1 microm fiber laser system.
作者信息
Liu Gangjun, Xie Tuqiang, Tomov Ivan V, Su Jianping, Yu Lingfeng, Zhang Jun, Tromberg Bruce J, Chen Zhongping
机构信息
Beckman Laser Institute, University of California, Irvine, California 92612, USA.
出版信息
Opt Lett. 2009 Aug 1;34(15):2249-51. doi: 10.1364/ol.34.002249.
Abstract
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.
摘要
我们展示了一种带有旋转探头和基于1微米光纤的飞秒激光的多光子显微内窥镜。该旋转探头基于双包层光子晶体光纤、梯度折射率透镜、微棱镜和旋转微机电系统（MEMS）电机。该MEMS电机直径为2.2毫米，可提供360度全视角旋转。光纤激光器可提供中心波长为1.034微米、重复频率为50兆赫的超短脉冲。利用基于旋转探头的多光子系统展示了大鼠尾腱和鱼鳞的二次谐波产生图像。
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