Effect of the optical numerical aperture on the Doppler spectrum in laser Doppler velocimetry

Mowla, Alireza, Nikolic, Milan, Lim, Yah Leng, Bertling, Karl, Rakic, Aleksandar D. and Taimre, Thomas (2014). Effect of the optical numerical aperture on the Doppler spectrum in laser Doppler velocimetry. In: Lorenzo Faraone and Mariusz Martyniuk, COMMAD 2014 Conference Proceedings. Conference on Optoelectronic and Microelectronic Materials and Devices, Perth, WA, Australia, (72-74). 14-17 December 2014. doi:10.1109/COMMAD.2014.7038654

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Author Mowla, Alireza
Nikolic, Milan
Lim, Yah Leng
Bertling, Karl
Rakic, Aleksandar D.
Taimre, Thomas
Title of paper Effect of the optical numerical aperture on the Doppler spectrum in laser Doppler velocimetry
Conference name Conference on Optoelectronic and Microelectronic Materials and Devices
Conference location Perth, WA, Australia
Conference dates 14-17 December 2014
Proceedings title COMMAD 2014 Conference Proceedings
Journal name 2014 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2014
Place of Publication Perth, WA, Australia
Publisher Institute of Electrical and Electronic Engineers
Publication Year 2014
Sub-type Fully published paper
DOI 10.1109/COMMAD.2014.7038654
Open Access Status
ISBN 9781479968671
9781479968688
Editor Lorenzo Faraone
Mariusz Martyniuk
Start page 72
End page 74
Total pages 3
Collection year 2015
Language eng
Abstract/Summary We have investigated the effect of the optical system design on the characteristics of the Doppler spectrum of a laser Doppler velocimeter, by means of a Monte Carlo simulation model. We show that numerical aperture is one of the parameters that strongly affect the full width at half maximum and signal to noise ratio of the Doppler spectrum. The profile and intensity of the enhanced backscattering of the laser beam from a diffusive rough aluminum disk surface is measured using a range of lenses with different focal lengths and the results are incorporated into the Monte Carlo model.
Q-Index Code EX
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Fri, 20 Mar 2015, 10:56:11 EST by Anthony Yeates on behalf of School of Information Technol and Elec Engineering