Spectral phase characterization of ultrashort pulse using fringe free interferometry

Lei Liang, Sun Anquan, Yuan Wei, Zhou Jinyun, Wang Bo, Xing Xiaobo

Полный текст на elibrary.ru

Публикация в Journal of Optical Technology

Ссылка для цитирования:

Liang Lei, Anquan Sun, Wei Yuan, Jinyun Zhou, Bo Wang, Xiaobo Xing Spectral phase characterization of ultrashort pulse using fringe free interferometry [на англ. яз.] // Оптический журнал. 2014. Т. 81. № 6. С. 9–14.

Liang Lei, Anquan Sun, Wei Yuan, Jinyun Zhou, Bo Wang, Xiaobo Xing Spectral phase characterization of ultrashort pulse using fringe free interferometry [in English] // Opticheskii Zhurnal. 2014. V. 81. № 6. P. 9–14.

Ссылка на англоязычную версию:

Liang Lei, Anquan Sun, Wei Yuan, Jinyun Zhou, Bo Wang, and Xiaobo Xing, "Spectral phase characterization of ultrashort pulse using fringe free interferometry," Journal of Optical Technology. 81(6), 308-311 (2014). https://doi.org/10.1364/JOT.81.000308

Аннотация:

There are presented analytical and experimental results of a novel method which enables significant simplifications in spectral shearing interferometry as applied for ultrashort optical pulse measurements. The method attempts to improve the superiority in conventional Spectral Phase Interferometry for Direct Electric-field Reconstruction (SPIDER). It doesn’t split a test pulse into two parts, but compensates for the delay time between two quasi-monochromatic frequency components in a chirped pulse with spectral and temporal shear to produce an interferogram without fringe. Fringe free interferograms could simplify data processing procedures and reduce the restriction on resolution of spectrometers. The experimental setup avoids the influence of material dispersion with real-time and single-shot nature, and could be made up as a miniaturization measurement device. Although being short of the beauties in SPIDER, it still could be an optional femtosecond pulse measurement method in certain conditions.

Ключевые слова:

femtosecond pulsе, ultrafast measurements, spectral phase interferometer

Благодарность:

Работа выполнена при финансовой поддержке Национального фонда естественных наук Китая (гранты №№ 61107029, 11304044 и 61177077).

Коды OCIS: 120.3180, 120.5050, 320.7100

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