Speckle photo electromotive force in CdTe:V and CdTe:Ge for measurement of vibration with large amplitude
Language
en
Article de revue
This item was published in
Applied Physics B - Laser and Optics. 2009, vol. 95, n° 3, p. 627-632
Springer Verlag
English Abstract
The photo-electromotive force induced by a speckle pattern vibrating with large amplitude in photorefractive CdTe:V and CdTe:Ge is experimentally studied. This technique is shown to be suitable for transversal amplitude ...Read more >
The photo-electromotive force induced by a speckle pattern vibrating with large amplitude in photorefractive CdTe:V and CdTe:Ge is experimentally studied. This technique is shown to be suitable for transversal amplitude vibration measurement as well as for material response time and associated conductivity characterization. Experiments were carried out with 532 and 1064 nm wavelength illumination over a wide vibration frequency range. The results are in good agreement with a previously reported theoretical model. The studied doped crystals exhibit peculiar different features that are described and discussed.Read less <
English Keywords
Photoconduction and photovoltaic effects
III-V and II-VI semiconductors
Photorefractive and semiconductor materials
Nonlinear optical
Origin
Hal imported