A multimode fiber (MMF) was used for both delivery of excitation lasers and collection of returned coherent anti-Stokes Raman scattering (CARS) signals in a CARS microendoscopy prototype imaging system. We demonstrated a polarization-based scheme for suppression of four-wave mixing (FWM) signals in delivery fibers. Our experimental results showed that this polarization-based FWM-suppressing scheme can dramatically reduce FWM signals generated in MMFs, and MMFs can be used to produce CARS images in this microendoscopy system. The proposed MMF-based CARS microendoscopy imaging system with the polarization-based FWM-suppressing scheme offers a potential platform for building fiber-based CARS microendoscopes that can effectively suppress FWM background noises.
© 2011 Optical Society of AmericaFull Article | PDF Article
Haifeng Wang, Terry B. Huff, and Ji-Xin Cheng
Opt. Lett. 31(10) 1417-1419 (2006)
Mihaela Balu, Gangjun Liu, Zhongping Chen, Bruce J. Tromberg, and Eric O. Potma
Opt. Express 18(3) 2380-2388 (2010)
Zhiyong Wang, Yaliang Yang, Pengfei Luo, Liang Gao, Kelvin K. Wong, and Stephen T. C. Wong
Opt. Express 18(12) 13017-13028 (2010)