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首页> 外文期刊>Optical Materials >Terahertz generation of two methoxy stilbazolium crystals: MBST and MBSC
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Terahertz generation of two methoxy stilbazolium crystals: MBST and MBSC

机译：Terahertz产生两种甲氧基斯蒂巴唑鎓晶体：MBST和MBSC

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摘要

Optical rectification of nonlinear optical organic crystals has been widely employed to obtain terahertz (THz) frequencies with simple laser setups. Red organic crystals like DAST, DSTMS, and OH1 have generated intense THz pulses with peak electric fields up to a few megavolts per cm. Other newer organic crystals such as HMQ-TMS and EHPSI-4NBS have shown similar performance.Recently, the yellow organic crystals BNA and HMI-TMS have drawn attention due to improved phase matching conditions compared with red crystals in the technologically important 800 nm wavelength. This light is usually obtained with widely available Ti:Sapphire lasers and therefore, the development of materials that can efficiently generate THz with these sources is of high scientific interest. In this article, we introduce the THz generation capabilities of two yellow crystals, namely, MBST and MBSC. Electric fields of similar magnitude compared to the organic generator HMQ-TMS were obtained when MBST and MBSC crystals were pumped with 800-nm light. The THz absorption profile and crystal growth are also discussed to introduce new insights in how to improve the THz output of MBST and MBSC.
机译：非线性光学有机晶体的光学整流已被广泛用于获得具有简单激光设置的太赫兹（THz）频率。像Dast，DSTMS和OH1这样的红色有机晶体产生了强烈的THz脉冲，峰值电场高达几厘米的巨型电压。其他较新的有机晶体如HMQ-TMS和EHPSI-4NBS已经显示出类似的性能。即，由于技术上重要的800nm波长的红色晶体相比，黄色有机晶体BNA和HMI-TMS引起了较好的相位匹配条件。这种灯通常以广泛的Ti：蓝宝石激光器获得，因此，能够有效地产生与这些来源的材料的开发具有高素质的兴趣。在本文中，我们介绍了两个黄色晶体的THz代功能，即MBST和MBSC。当使用800nm光泵送MBST和MBSC晶体时，获得与有机发生器HMQ-TM相比类似幅度的电场。还讨论了THz吸收曲线和晶体增长，以引入如何改善MBST和MBSC的THz输出的新见解。

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