Terahertz-based retrieval of the spectral phase and amplitude of ultrashort laser pulses
| Autor: | Alessandro Curcio, Massimo Petrarca, Valerio Dolci, Stefano Lupi |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Nonlinear optics
Materials science Infrared Terahertz radiation Terahertz Terahertz THz Nonlinear optics (320.1590) Chirping (190.1900) Diagnostic applications of nonlinear optics (040.2235) Far infrared or terahertz (320.7110) Ultrafast nonlinear optics Physics::Optics 02 engineering and technology Laser pumping 01 natural sciences law.invention 010309 optics Optical rectification Optics law 0103 physical sciences Chirp business.industry 021001 nanoscience & nanotechnology Laser Atomic and Molecular Physics and Optics Femtosecond THz 0210 nano-technology business |
| Zdroj: | Optics letters. 43(4) |
| ISSN: | 1539-4794 |
| Popis: | Terahertz (THz) radiation is of great interest for a variety of applications, e.g., particle accelerations, spectroscopy investigations of quantum systems, and high-field study of materials. One of the most common laser-based processes to produce THz pulses is optical rectification, which transduces an infrared pump laser to the THz domain (0.1–20 THz). In this work, we propose and theoretically describe a method to characterize the amplitude and phase of the electric field of the pump laser pulse relying on THz generation and detection. We demonstrate with a numerical example how THz radiation can be used as diagnostics to characterize laser pulses with temporal length at the femtosecond level. |
| Databáze: | OpenAIRE |
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