Design and characteristics of holographic neural photo-stimulation systems

L. Golan, I. Reutsky, N. Farah, S. Shoham

Research output: Contribution to journalArticlepeer-review

80 Scopus citations


Computer-generated holography is an emerging technology for stimulation of neuronal populations with light patterns. A holographic photo-stimulation system may be designed as a powerful research tool or a compact neural interface medical device, such as an optical retinal prosthesis. We present here an overview of the main design issues including the choice of holographic device, field-of-view, resolution, physical size, generation of two- and three-dimensional patterns and their diffraction efficiency, choice of algorithms and computational effort. The performance and characteristics of a holographic pattern stimulation system with kHz frame rates are demonstrated using experimental recordings from isolated retinas.

Original languageEnglish
Article number066004
JournalJournal of Neural Engineering
Issue number6
StatePublished - Dec 2009
Externally publishedYes


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