Laser sources for high resolution sensing

2006 ◽  
pp. 19-32
Author(s):  
Giuseppe Baldacchini
Keyword(s):  
High Resolution ◽  
Laser Sources

scholarly journals Concentration-based velocity reconstruction in convective Hele–Shaw flows

2020 ◽  
Vol 61 (9) ◽  
Author(s):  
Mobin Alipour ◽  
Marco De Paoli ◽  
Alfredo Soldati
Keyword(s):  
High Resolution ◽  
Velocity Field ◽  
Cost Effective ◽  
Velocity Fields ◽  
Reconstruction Process ◽  
Cost Effective Alternative ◽  
Laser Sources ◽  
Darcy Flows ◽  
Single Snapshot ◽  
Hele Shaw Cell

Abstract We examine the process of convective dissolution in a Hele–Shaw cell. We consider a one-sided configuration and we propose a newly developed method to reconstruct the velocity field from concentration measurements. The great advantage of this Concentration-based Velocity Reconstruction (CVR) method consists of providing both concentration and velocity fields with a single snapshot of the experiment recorded in high resolution. We benchmark our method vis–à–vis against numerical simulations in the instance of Darcy flows, and we also include dispersive effects to the reconstruction process of non-Darcy flows. The absence of laser sources and the presence of one low-speed camera make this method a safe, accurate, and cost-effective alternative to classical PIV/PTV velocimetry processes. Finally, as an example of possible application, we employ the CVR method to analyse the tip splitting phenomena. Graphic abstract

High-resolution sum-frequency spectra using broadband laser sources

1996 ◽  
Vol 368 (1-3) ◽  
pp. 96-101 ◽  
Author(s):  
E.W.M. van der Ham ◽  
Q.H.F. Vrehen ◽  
E.R. Eliel
Keyword(s):  
High Resolution ◽  
Frequency Spectra ◽  
Sum Frequency ◽  
Broadband Laser ◽  
Laser Sources

High-resolution VUV spectroscopy using pulsed laser sources

1994 ◽  
Vol 59 (4) ◽  
pp. 433-436 ◽  
Author(s):  
J. Larsson ◽  
S. Svanberg
Keyword(s):  
High Resolution ◽  
Pulsed Laser ◽  
Laser Sources ◽  
Vuv Spectroscopy

Fast high-resolution spectroscopy of dynamic continuous-wave laser sources

2010 ◽  
Vol 4 (12) ◽  
pp. 853-857 ◽  
Author(s):  
F. R. Giorgetta ◽  
I. Coddington ◽  
E. Baumann ◽  
W. C. Swann ◽  
N. R. Newbury
Keyword(s):  
High Resolution ◽  
Continuous Wave ◽  
High Resolution Spectroscopy ◽  
Continuous Wave Laser ◽  
Laser Sources ◽  
Wave Laser
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