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Interferometric differential high-frequency lock-in probe for laser-induced vacuum birefringence

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Bibliographic Details
Title: Interferometric differential high-frequency lock-in probe for laser-induced vacuum birefringence
Authors: R. G. Bullis, U. D. Jentschura, D. C. Yost
Source: Physical Review Research, Vol 7, Iss 2, p 023026 (2025)
Publisher Information: American Physical Society, 2025.
Publication Year: 2025
Collection: LCC:Physics
Subject Terms: Physics, QC1-999
Description: We propose a measurement of laser-induced vacuum birefringence through the use of pulsed lasers coupled to femtosecond optical enhancement cavities. This measurement technique features cavity-enhanced pump and probe pulses, as well as an independent control pulse. The control pulse allows for a differential measurement where the final signal is obtained using high-frequency lock-in detection, greatly mitigating time-dependent cavity birefringence as an important and possibly prohibitive systematic effect. In addition, the method features the economical use of laser power and results in a relatively simple experimental setup.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2643-1564
Relation: https://doaj.org/toc/2643-1564
DOI: 10.1103/PhysRevResearch.7.023026
Access URL: https://doaj.org/article/17d03cde1d684968b474ce1b74214133
Accession Number: edsdoj.17d03cde1d684968b474ce1b74214133
Database: Directory of Open Access Journals
Description
Abstract:We propose a measurement of laser-induced vacuum birefringence through the use of pulsed lasers coupled to femtosecond optical enhancement cavities. This measurement technique features cavity-enhanced pump and probe pulses, as well as an independent control pulse. The control pulse allows for a differential measurement where the final signal is obtained using high-frequency lock-in detection, greatly mitigating time-dependent cavity birefringence as an important and possibly prohibitive systematic effect. In addition, the method features the economical use of laser power and results in a relatively simple experimental setup.
ISSN:26431564
DOI:10.1103/PhysRevResearch.7.023026