Laser Doppler velocimetry using photo-acoustic effect of CO2 laser

Jong-Woon Choi; Moon-Jong Yu; Mirek Kopica

doi:10.1117/12.510205

10 November 2003 Laser Doppler velocimetry using photo-acoustic effect of CO₂ laser

Jong-Woon Choi, Moon-Jong Yu, Mirek Kopica

Proceedings Volume 5191, Optical Diagnostics for Fluids, Solids, and Combustion II; (2003) https://doi.org/10.1117/12.510205
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

A new laser Doppler velocimeter employing a CO₂ laser has been developed by using its photoacoustic effect. A change of the pressure of a laser discharge tube, induced by mixing of a returned wave with an originally existing wave inside the cavity, is employed to detect the Doppler frequency shift. We found that a Doppler frequency shift as much as 60 kHz was detected, and as well as a good linear relationship between the velocity and the Doppler frequency shift was obtained.

Citation Download Citation

Jong-Woon Choi, Moon-Jong Yu, and Mirek Kopica "Laser Doppler velocimetry using photo-acoustic effect of CO₂ laser", Proc. SPIE 5191, Optical Diagnostics for Fluids, Solids, and Combustion II, (10 November 2003); https://doi.org/10.1117/12.510205

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available