A real-time acquisition system for pump-probe spectroscopy
Year: 2007
Authors: Bartolini P., Eramo R., Taschin A., De Pas M., Torre R.
Autors Affiliation: European Lab. for Non-Linear Spectroscopy (LENS), Universita` di Firenze, Via N. Carrara 1, I-50019 Sesto Fiorentino, Firenze, Italy;
INFM-CRS-Soft Matter (CNR), c/o Universita` la Sapienza, Piaz. A. Moro 2, I-00185, Roma, Italy; Dipartimento di Fisica, Universita` di Firenze, Via Sansone 1, I-50019 Sesto Fiorentino, Firenze, Italy
Abstract: An innovative acquisition system for time-resolved spectroscopy is presented. It is based on the real-time acquisition of the expermental signal during the rapid scan of an optical delay line and enables data acquisition With high absolute time resolution (1 femtosecond), high scanning velocity (2.5 cm/s) and long time delay (several nanoseconds). We report precise interferometric tests of the acquisition system, focusing on technical features of the optical delay line. We check this data acquisition technique by performing ultra-fast time-resolved experiments with laser sources of high an low repetition rates.
Journal/Review: PHILOSOPHICAL MAGAZINE
Volume: 87 (3-5) Pages from: 731 to: 740
More Information: The research has been performed at LENS. We would like to thank R. Righini for his support in the present research. This work was also supported by EC grant No. RII3-CT-2003-506350, by CRS-INFM-Soft Matter (CNR) and MIUR-COFIN-2005 grant N. 2005023141-003. We thank Riccardo Ballerini for indispensable mechanical support, and Mauro Giuntini for providing continuous assistance in the set-up of the electronics.KeyWords: Interferometry; Real time systems; Spectroscopic analysis; Velocity measurement, Laser sources; Pump-probe spectroscopy; Ultra-fast time-resolved experiments, Data acquisitionDOI: 10.1080/14786430600953780Citations: 10data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2024-11-03References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click hereConnecting to view citations from IsiWeb: Click here