激光捕获和推动微颗粒在充满液体的光子晶体光纤中的多普勒速度测量。

Doppler velocimetry on microparticles trapped and propelled by laser light in liquid-filled photonic crystal fiber.

机构信息

Max Planck Institute for the Science of Light, Guenther-Scharowsky-Strasse 1/Bau 24, 91058 Erlangen, Germany.

出版信息

Opt Lett. 2011 Jun 1;36(11):2020-2. doi: 10.1364/OL.36.002020.

DOI:10.1364/OL.36.002020

Abstract

Laser Doppler velocimetry is used to measure very accurately the velocity and position of a microparticle propelled and guided by laser light in liquid-filled photonic crystal fiber. Periodic variations in particle velocity are observed that correlate closely with modal beating between the two lowest order guided fiber modes.

摘要

激光多普勒测速法用于精确测量在充满液体的光子晶体光纤中被激光推动和引导的微粒子的速度和位置。观察到粒子速度的周期性变化，这些变化与两个最低阶导模之间的模态拍频密切相关。