To realize the optimal probe pulse length for detection of pulsed terahertz signal with spectral-encoding technique
作者： Xiao-Yu Peng , Xin-Hai Zhang , Jing-Hua Teng , Hong-Cheng Guo , Yong-Lim Foo
DOI: 10.1063/1.3598405
关键词: Optics 、 Pulse duration 、 Laser 、 Distortion 、 Materials science 、 Pulse (signal processing) 、 Femtosecond 、 Terahertz radiation 、 Femtosecond pulse shaping 、 Signal
摘要: The approach to realize the optimal chirped probe pulse length for an arbitrary pulsed terahertz (THz) signal measured with spectral-encoding technique was investigated by simulation. It found that either maximum positive peak or absolute value of strongest negative normalized difference between spectrum modulated THz and background tended be maximized when duration approached value. can adjusted continuously a pair triangular dispersive prisms. signals from high-voltage biased air plasmas induced femtosecond laser were minimum distortion using our simple method.
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