Improvement in performance of a TeO2acousto-optic imaging spectrometer
光学
分光计
成像光谱仪
材料科学
物理
作者
V. B. Voloshinov,Konstantin B. Yushkov,B. Linde
出处
期刊:Journal of optics [IOP Publishing] 日期:2007-03-06卷期号:9 (4): 341-347被引量:68
标识
DOI:10.1088/1464-4258/9/4/006
摘要
This paper concerns the problem of the optimization of parameters in acousto-optic image processing systems. The optimization was carried out with the purpose of obtaining the best performance and minimum driving power. A choice of optimal geometry of acousto-optic interaction in the crystal is discussed. Longitudinal aberrations in the device caused by dispersion of refractive indices of acousto-optic media are studied. Calculations prove that a specific choice of distances between optical elements in the device can reduce the aberration to a value less than the focal depth of a filtered image. Spectral analysis of radiation reflected from artificial test objects demonstrates operationaal capability of the imager.