Open AccessMoving interference patterns created using the angular Doppler-effect
Author(s) -
Jochen Arlt,
Michael P. MacDonald,
Lynn Paterson,
W. Sibbett,
Kishan Dholakia,
Karen VolkeSepúlveda
Publication year - 2002
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.10.000844
Subject(s) - optics , interference (communication) , doppler effect , physics , rotation (mathematics) , spatial frequency , light beam , hertz , computer science , telecommunications , channel (broadcasting) , quantum mechanics , astronomy , artificial intelligence
We use the angular Doppler-effect to obtain stable frequency shifts from below one Hertz to hundreds of Hertz in the optical domain, constituting a control of 1 part in 1014. For the first time, we use these very small frequency shifts to create continuous motion in interference patterns including the scanning of linear fringe patterns and the rotation of the interference pattern formed from a Laguerre-Gaussian beam. This enables controlled lateral and rotational movement of trapped particles.