We present a Ray Tracing model of tapered optical fibers (TF), recently proposed for both wide-volume and site-selective optical control of neural activity [1]. Light-delivery properties of TFs are computationally investigated by identifying the emitting region of the taper and the resulting output angles. This is done in two alternative light coupling modes: i) injecting light within the entire acceptance angle of the optical fiber, generating light output from almost the entire taper, and ii) selecting a specific input angle, therefore allowing light delivery from a specific portion of the TF. In both cases a good agreement with previously reported experimental data has been obtained, letting us envision that the proposed approach can be used to study the mode-division demultiplexing properties of TFs, representing an important tool to design optogenetics experiments in vivo with TFs. © 2018 IEEE.

Tapered Optical Fibers for Optogenetics: Ray Tracing Modeling

E. Maglie;M. Pisanello;F. Pisano;L. Sileo;M. De Vittorio;
2018-01-01

Abstract

We present a Ray Tracing model of tapered optical fibers (TF), recently proposed for both wide-volume and site-selective optical control of neural activity [1]. Light-delivery properties of TFs are computationally investigated by identifying the emitting region of the taper and the resulting output angles. This is done in two alternative light coupling modes: i) injecting light within the entire acceptance angle of the optical fiber, generating light output from almost the entire taper, and ii) selecting a specific input angle, therefore allowing light delivery from a specific portion of the TF. In both cases a good agreement with previously reported experimental data has been obtained, letting us envision that the proposed approach can be used to study the mode-division demultiplexing properties of TFs, representing an important tool to design optogenetics experiments in vivo with TFs. © 2018 IEEE.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/435050
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 2
  • ???jsp.display-item.citation.isi??? ND
social impact