Title :
Finite pump beam size effects in optical-pump/THz-probe spectroscopy
Author :
Dakovski, Georgi L. ; Kubera, Brian ; Lan, Song ; Shan, Jie
Author_Institution :
Dept. of Phys., Case Western Reserve Univ., Cleveland, OH, USA
Abstract :
We investigate effects of the finite pump beam size in optical-pump/THz probe measurements experimentally and numerically. A frequency-dependent size regime in which spectral distortion is minimal is identified and a correction method is presented.
Keywords :
electro-optical effects; laser beams; optical distortion; optical pumping; submillimetre wave spectra; THz-probe spectroscopy; correction method; electro-optical sampling; finite pump beam size effect; frequency-dependent size regime; optical-pump; spectral distortion; Distortion measurement; Laser excitation; Optical distortion; Optical pulses; Optical pumping; Probes; Size measurement; Spectroscopy; Ultrafast optics; Wavelength measurement;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549324
