16 September 2014 Inducing forced and auto oscillations in one-dimensional photonic crystals with light
Author Affiliations +
Abstract
We induced forced and auto oscillations in one-dimensional photonic crystals with localized defects when light impinges transversally to the defect layer. The photonic structure consists of a microcavity like structure formed of two onedimensional photonic crystals made of free-standing porous silicon, separated by variable air gap and the working wavelength is 633 nm. The force generation is made evident by driving a laser light by means of a chopper; the light hits the photonic structure and induces a vibration and the vibration is characterized by using a very sensitive vibrometer. Moreover we measured peak displacements and velocities ranging from 2 up to 35 microns and 0.4 up to 2.1 mm/s with a power of 13 mW. Recent evidence showed that giant resonant light forces could induce average velocity values of 0.45 mm/s in microspheres embedded in water with 43 mW light power.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. E Lugo, Rafael Doti, Noemi Sanchez, Jocelyn Faubert, "Inducing forced and auto oscillations in one-dimensional photonic crystals with light", Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 91641E (16 September 2014); doi: 10.1117/12.2064363; https://doi.org/10.1117/12.2064363
PROCEEDINGS
13 PAGES


SHARE
Back to Top