Skip to main navigation Skip to search Skip to main content

Pulse interferometry with a free-space Fabry-Perot for shot-noise-limited detection of ultrasound

Oleg Volodarsky, Yoav Hazan, Amir Rosenthal

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Coherence-restored pulse interferometry (CRPI) is a recently developed method for optical detection of ultrasound that achieves shot-noise-limited sensitivity and high dynamic range. In principle, the wideband source employed in CRPI may enable the interrogation of multiple detectors by using wavelength multiplexing. However, the noisereduction scheme in CRPI has not been shown to be compatible with wideband operation. In this work, we introduce a new scheme for CRPI that relies on a free-space Fabry-Perot filter for noise reduction and a pulse stretcher for reducing nonlinear effects. Using our scheme, we demonstrate that shot-noise-limited detection may be achieved for a spectral band of 80 nm and powers of up to 5 mW.

Original languageEnglish
Title of host publicationOpto-Acoustic Methods and Applications in Biophotonics IV
EditorsVasilis Ntziachristos, Roger Zemp
ISBN (Electronic)9781510628472
DOIs
StatePublished - 2019
EventOpto-Acoustic Methods and Applications in Biophotonics IV 2019 - Munich, Germany
Duration: 24 Jun 201925 Jun 2019

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume11077

Conference

ConferenceOpto-Acoustic Methods and Applications in Biophotonics IV 2019
Country/TerritoryGermany
CityMunich
Period24/06/1925/06/19

Keywords

  • Fabry-Perot
  • Interferometry
  • Optical sensing and sensors

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

Fingerprint

Dive into the research topics of 'Pulse interferometry with a free-space Fabry-Perot for shot-noise-limited detection of ultrasound'. Together they form a unique fingerprint.

Cite this