Title :
Application of Acoustical Activity in Lithium Niobate Crystals for Control of Light Intensity
Author :
Akhmedzhanov, F.R.
Author_Institution :
Samarkand State Univ., Samarkand
fDate :
July 30 2006-Aug. 3 2006
Abstract :
New technology is offered for measuring and control of light intensity. In the proposed method the phenomenon of acoustical activity and Bragg light diffraction on hypersonic waves in ferroelectric crystal LiNbO3 is used. Control of light intensity can be realized by transference of crystal or by modification of generator frequency by which the transverse acoustic wave is excited. The change of light intensity is provided electronically, fluently and with high accuracy. Using previously the standard calibration, it is possible to measure and change the light intensity to the necessary value.
Keywords :
acousto-optical effects; ferroelectric materials; hypersonic flow; intensity measurement; light diffraction; lithium compounds; optical variables control; optical variables measurement; Bragg light diffraction; LiNbO3; acoustical activity phenomenon; crystal transference; ferroelectric crystal; generator frequency modification; hypersonic waves; light intensity control; light intensity measurement; lithium niobate crystals; transverse acoustic wave excitation; Acoustic diffraction; Acoustic measurements; Acoustic waves; Calibration; Crystals; Ferroelectric materials; Frequency; Lighting control; Lithium niobate; Measurement standards; Acoustic wave; Bragg diffraction; control; light intensity;
Conference_Titel :
Applications of ferroelectrics, 2006. isaf '06. 15th ieee international symposium on the
Conference_Location :
Sunset Beach, NC
Print_ISBN :
978-1-4244-1331-7
Electronic_ISBN :
1099-4734
DOI :
10.1109/ISAF.2006.4387845
