2011
DOI: 10.1134/s1063785011080281
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Acousto-optic cell based on paratellurite crystal with surface excitation of acoustic waves

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Cited by 15 publications
(5 citation statements)
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“…Principle of acousto-optic cells (AOC) is explained in references [20,21]. Choice of the range of frequency applied to the AOC is explained in reference [22].…”
Section: Stabilization Using Acousto-optic Cellsmentioning
confidence: 99%
“…Principle of acousto-optic cells (AOC) is explained in references [20,21]. Choice of the range of frequency applied to the AOC is explained in reference [22].…”
Section: Stabilization Using Acousto-optic Cellsmentioning
confidence: 99%
“…4 TeO 2 crystal grown by Bridgman method [9] 图 5 高纯 TeO 2 单晶的制备工艺流程图 [35] Fig. 5 Flow chart of the manufacturing method for the highpurity TeO 2 single crystal [35] 以有数量级的提高, 同时具有响应速度快、驱动功 率小、衍射效率高和性能稳定可靠等优点。目前, TeO 2 晶体已用于声光 Q 开关、偏转器、调制器、移 频器和可调滤波器等各类声光器件, 在许多高技术 领域, 如激光打标、激光雕刻、扫描频谱分析、测 速、测波长、色合成等发挥了重要作用 [9,26,[39][40] [44] 。 在应用方面, 基于 AOTF 的微型近红外光谱仪 除了应用在烟草、石油化工、制药和食品等民用领 域 [43,45] 外, 还用于火星探测等航天领域。2003 年, 欧空局发射成功的火星快车上装载了 7 台有效载荷, 其中一台载荷 SPICAM 光谱仪器的红外通道就使用 了基于 TeO 2 单晶的 AOTF 分光器件 [46] 。 2005 年, 欧 图 6 非共线 AOTF 的典型结构 [43] Fig. 6 Schematic of noncollinear AOTF [43] 无 机 材 料 学 报 第 30 卷 空局在金星快车卫星上同样装载了 AOTF 光谱仪 SPICAV 对金星进行探测 [47] 。计划于 2018 年发射的 EXOMARS 火 星 车 上 也 配 置 有 AOTF 分 光 的 MICROMEGA 科学载荷 [48] 。我国 2013 年发射成功 的 CE-3 月球车的有效载荷之一--红外成像光谱 仪也采用了基于两块 TeO 2 单晶的 AOTF 器件, 实现 了 以 5 nm 为 采 样 间 隔 的 可 见 近 红 外 成 像 通 道 (0.45~0.95 μm)和短波红外通道(0.9~2.4 μm), 可分 别对着陆区月表物质进行成像与光谱采集, 为月壤 成分分析提供有效数据支持 [49] 。 随着科技的发展和实际应用需求的推动, 近年 来, 以 TeO 2 晶体为核心材料的 AOTF 红外光谱仪在 以下三个方面获得进一步发展:…”
Section: Teo 2 晶体在红外器件中的应用进展unclassified
“…Recently, a different method of ultrasound volume excitation in the paratellurite has been proposed making use of its intrinsic piezoelectric properties just by two surface electrodes attached to the optical element [4]. This technical solution promises a substantial simplification of the construction of acousto-optic cells, because it implies abolition of multistage and expensive process of interfacing materials with large differences in the temperature coefficients of expansion and other physical properties.…”
Section: Introductionmentioning
confidence: 99%