Voloshinov Vitaly B, Gupta Neelam
Department of Physics, M. V. Lomonosov Moscow State University, Russia.
Appl Opt. 2006 May 1;45(13):3127-35. doi: 10.1364/ao.45.003127.
Results of an investigation of acousto-optic (AO) cells using single crystals of magnesium fluoride (MgF2) are presented. Two acousto-optic tunable filter (AOTF) cells for imaging application have been designed and tested in the visible and ultraviolet (UV) regions of the spectrum from 190 to 490 nm. The two imaging filters were developed by using the wide-angle AO interaction geometry in the (010) and (11 0) planes of the crystal. These filters were used to obtain spectral images at the shortest wavelengths achieved so far. Advantages and drawbacks of this crystal are discussed and photoelastic, acoustic, and AO properties of MgF2 are examined. The investigation confirmed that MgF2-based AOTF cells can be used in the deep UV region up to 110 nm.
本文介绍了使用氟化镁（MgF2）单晶对声光（AO）单元进行研究的结果。设计并测试了两个用于成像应用的声光可调谐滤波器（AOTF）单元，并在190至490nm光谱的可见光和紫外（UV）区域进行了测试。这两个成像滤波器是通过在晶体的（010）和（11 0）平面中使用广角AO相互作用几何结构开发的。这些滤波器用于在迄今为止实现的最短波长下获取光谱图像。讨论了这种晶体的优缺点，并研究了MgF2的光弹性、声学和AO特性。研究证实，基于MgF2的AOTF单元可用于高达110nm的深紫外区域。
