Towards Attometer/Hz1/2 Displacement Resolution in DFB Fiber Laser Acoustic Emission Sensors

Autor:	Geoffrey A. Cranch, Mark Seaver, Gary A. Miller, Lee Johnson, Seth Heerschap
Rok vydání:	2016
Předmět:	020210 optoelectronics & photonics Optics Lap joint Materials science Acoustic emission business.industry Fiber laser Resolution (electron density) 0202 electrical engineering electronic engineering information engineering 02 engineering and technology business Displacement (vector)
Zdroj:	Conference on Lasers and Electro-Optics.
DOI:	10.1364/cleo_at.2016.aw1j.4
Popis:	A distributed feedback fiber laser is shown to achieve a displacement resolution approaching 3 × 10−17 m/Hz1/2 up to 10 MHz (∼ 103 more sensitive than the current state-of-the-art). Detection of acoustic emission events from cracks induced in fatigued lap joints is demonstrated.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ef8809412a2affba9dfe871119e3f463 https://doi.org/10.1364/cleo_at.2016.aw1j.4 Zobrazit plný text záznamu