کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9586129 1505937 2005 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Terahertz radiation from CdxHg1-xTe photoexcited by femtosecond laser pulses
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
Terahertz radiation from CdxHg1-xTe photoexcited by femtosecond laser pulses
چکیده انگلیسی
Terahertz radiation from CdxHg1-xTe samples excited by femtosecond pulses generated by Ti:sapphire laser was measured by using an ultrafast photoconductive antenna. The radiated terahertz field magnitude was nearly the same for all three investigated alloy compositions with x= 0, 0.2 and 0.3. No azimuthal angle dependence of the radiated signal was detected, which evidences that a linear current surge effect is dominating over nonlinear optical rectification. Experimental observations are discussed in terms of the energy band structure of the investigated compound semiconductors.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Luminescence - Volume 113, Issues 3–4, June 2005, Pages 301-304
نویسندگان
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