Optical aberration compensation in a multiplexed optical trapping system

Tomas Cizmar, Heather Isla Campbell Dalgarno, Praveen Cheriyan Ashok, Frank J Gunn-Moore, Kishan Dholakia

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


In this paper we discuss optical aberrations within a multiplexed optical trapping system. We analyze two of the most powerful methods for optical trap multiplexing: time-shared beam steering and holographic beam shaping in a tandem system with an acousto-optic deflector and spatial light modulator. We show how to isolate and correct for the aberrations introduced by these individual optical components using the spatial light modulator and demonstrate the
enhancement this provides to optical trapping.
Original languageEnglish
Article number044008
Number of pages6
JournalJournal of Optics
Issue number4
Publication statusPublished - 4 Mar 2011


  • Optical tweezers
  • Laser beam shaping
  • Spatial light modulator
  • Acousto-optic deflector
  • Wavefront aberration


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