首页> 外文会议>Conference on Laser Applications to Chemical and Environmental Analysis, Feb 11-13, 2000, Santa Fe, New Mexico >Development of infrared chemical sensors based on quasi-phasematched, periodically poled lithium niobate sources
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Development of infrared chemical sensors based on quasi-phasematched, periodically poled lithium niobate sources

机译:基于准相位匹配,周期性极化铌酸锂源的红外化学传感器的开发

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Periodically poled lithium niobate (PPLN) is a relatively new non-linear optical material which can be used for such processes as second harmonic generation, sum and difference frequency generation and optical parametric oscillation. The use of periodically-poled lithium niobate in spectroscopy and chemical sensing offers many potential advantages over systems employing more traditional laser sources. When pumped by the fundamental of a Nd:YAG laser PPLN offers the promise of high efficiency, high power, broad tunability (1.5-3.5μm) and compact size. The broad tunability over the C-H stretch region is an important advantage for many chemical sensing applications. At Sandia, we are developing IR sources based on PPLN for both remote and in-situ chemical sensing.
机译:周期性极化铌酸锂(PPLN)是一种相对较新的非线性光学材料,可用于二次谐波生成,和频和差频生成以及光学参量振荡等过程。与采用更多传统激光源的系统相比,在光谱学和化学传感中使用周期性极化铌酸锂具有许多潜在的优势。当被Nd:YAG激光器的基波泵浦时,PPLN有望实现高效率,高功率,宽可调性(1.5-3.5μm)和紧凑的尺寸。 C-H拉伸区域的广泛可调性是许多化学传感应用的重要优势。在桑迪亚,我们正在开发基于PPLN的红外源,用于远程和原位化学传感。

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