Generation of backward terahertz waves in GaSe crystals.

Generation of backward terahertz waves in GaSe crystals.
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DOI:
10.1364/ol.30.001861
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发表时间:
2005-07
期刊:
影响因子:
3.6
通讯作者:
W. Shi;Yujie J. Ding
W. Shi;Yujie J. Ding
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
W. Shi;Yujie J. Ding

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我们通过在两个 GaSe 晶体中混合两束相干红外光束观察到向后传播的太赫兹波。对于47毫米长的晶体,输出波长可以在167.6至2060微米(0.146至1.79太赫兹)的宽范围内调谐,而输出峰值功率达到217瓦。相应的功率转换效率约为0.03%。
We have observed a backward-propagating terahertz wave by mixing two coherent infrared beams in two GaSe crystals. For the 47 mm long crystal, the output wavelength can be tuned in the wide range of 167.6 to 2060 microm (0.146 to 1.79 THz), whereas the output peak power reaches 217 W. The corresponding power conversion efficiency is approximately 0.03%.