Single-shot implementation of dispersion-scan for the characterization of ultrashort laser pulses

• Tipo: Artigo em Revista Científica Internacional
• Data: 2015

Autores

Fabris, D (Autor) Outra; Holgado, W (Autor) Outra; Silva, F (Autor) Outra; Witting, T (Autor) Outra; Tisch, JWG (Autor) Outra; Crespo, H (Autor) FCUP

Revista

Título: Optics Express

Vol. 23

Páginas: 32803-32808

ISSN: 1094-4087

Editora: Optical Society of America

Indexação

ISI Web of Knowledge - 17 Citações

Scopus - 22 Citações

Classificação Científica

FOS: Ciências exactas e naturais > Física

Outras Informações

ID Authenticus: P-00J-YWR

DOI: 10.1364/oe.23.032803

Abstract (EN): We demonstrate a single-shot ultrafast diagnostic, based on the dispersion-scan (d-scan) technique. In this implementation, rather than translating wedges to vary the dispersion as in scanning d-scan, the pulse to be measured experiences a spatially varying amount of dispersion in a prism. The resulting beam is then imaged into a second-harmonic generation crystal and an imaging spectrometer is used to measure the two-dimensional trace, which is analyzed using the d-scan retrieval algorithm. We compare the single-shot implementation with the scanning d-scan for the measurement of sub-3.5-fs pulses from a hollow core fiber pulse compressor. We show that the retrieval algorithm used to extract amplitude and phase of the pulse provides comparable results, proving the validity of the new single-shot implementation in the near single-cycle regime. (C)2015 Optical Society of America

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 6