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Characterization of an Acousto-Optic Tunable Filter Imaging System

机译：声光可调滤光片成像系统的表征

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摘要

Acousto-optic tunable filters (AOTF's) feature all-electronic, agile, spectral tuning with a narrowband transmission function. They are rugged, solid-state devices with no moving parts. Under computer control, they can produce spectral/spatial image cube data that is ideal for hyper- and multi-spectral imaging applications. However, issues such as spectral leakage, non-uniform response over the image field, and out-of-band scatter need to examined and characterized in order to understand the performance of an AOTF imaging system. We present measurements of the spectral response of a visible AOTF imaging system and discuss the characterization and calibration steps taken to improve the system performance.
机译：声光可调滤波器（AOTF）具有窄带传输功能的全电子，灵活的频谱调谐功能。它们是坚固的固态设备，没有活动部件。在计算机的控制下，它们可以产生光谱/空间图像立方体数据，非常适合高光谱和多光谱成像应用。但是，为了了解AOTF成像系统的性能，需要检查和表征诸如光谱泄漏，图像场上的响应不均匀以及带外散射等问题。我们介绍了可见的AOTF成像系统的光谱响应的测量结果，并讨论了为改善系统性能而采取的表征和校准步骤。

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