A Simple Transverse Motion Detector for Railguns

2004 ◽  
Author(s):  
S. J. Levinson ◽  
Stephan Bless
Keyword(s):  
Transverse Motion ◽  
Motion Detector

scholarly journals A Model for an Angular Velocity-Tuned Motion Detector Accounting for Deviations in the Corridor-Centering Response of the Bee

2016 ◽  
Vol 12 (5) ◽  
pp. e1004887 ◽  
Author(s):  
Alex J. Cope ◽  
Chelsea Sabo ◽  
Kevin Gurney ◽  
Eleni Vasilaki ◽  
James A. R. Marshall
Keyword(s):  
Angular Velocity ◽  
Motion Detector

Study of Fraunhofer Diffraction Pattern from a Circular Aperture Using an Optical Fiber Microprobe

2011 ◽  
Vol 378-379 ◽  
pp. 565-568
Author(s):  
Wan Maisarah Mukhtar ◽  
P. Susthitha Menon ◽  
Sahbudin Shaari
Keyword(s):  
Optical Fiber ◽  
Diffraction Pattern ◽  
Light Propagation ◽  
Optical Power ◽  
Transverse Motion ◽  
Circular Aperture ◽  
Fraunhofer Diffraction ◽  
Fresnel Number ◽  
Function Profile ◽  
Effect Of Light

Fraunhofer diffraction pattern from a circular aperture with the diameter of 10µm was observed using an optical fiber microprobe. The optical fiber microprobe started to detect optical power when the distance between the probe and the circular aperture was more than 292µm. When the probe was moved in a lateral motion, the light propagation showed a Bessel function profile. When the optical fiber microprobe was moved from 293µm to 309µm from the centre of the circular aperture in a transverse motion, the power detected was not consistent with a continuation of maxima and minima due to the effect of light propagation from the circular aperture. We also observed that the distance between the probe and the centre of the circular aperture was directly proportional with the radius of focused spot and inversely proportional with the Fresnel number.

scholarly journals Comprehensive Characterization of the Major Presynaptic Elements to the Drosophila OFF Motion Detector

Neuron ◽  
2016 ◽  
Vol 89 (4) ◽  
pp. 829-841 ◽  
Author(s):  
Etienne Serbe ◽  
Matthias Meier ◽  
Aljoscha Leonhardt ◽  
Alexander Borst
Keyword(s):  
Motion Detector ◽  
Comprehensive Characterization
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