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FLEA: Fresnel-limited extraction algorithm applied to spectral phase interferometry for direct field reconstruction
Alessia Pasquazi1, Marco Peccianti, José Azaña
1INRS Énergie, Matériaux et Télécommunications, 1650 Blvd. Lionel Boulet, Varennes, Québec J3X 1S2, Canada. alessia.pasquazi@gmail.com
Optics Express
|March 14, 2013
Summary
We developed a new algorithm for spectral phase interferometry for direct field reconstruction (X-SPIDER). This method significantly expands measurable pulse time windows without altering the experimental setup.
Area of Science:
- Optics and Photonics
- Ultrafast Science
Background:
- Spectral phase interferometry for direct field reconstruction (SPIDER) is crucial for characterizing ultrashort laser pulses.
- The X-SPIDER configuration offers advantages but has limitations in measurable time windows.
Purpose of the Study:
- To present a novel extraction algorithm for the X-SPIDER configuration.
- To extend the measurable time windows for pulse characterization using X-SPIDER.
Main Methods:
- Development of a new data extraction algorithm tailored for the X-SPIDER technique.
- Implementation of the algorithm without requiring modifications to the existing experimental setup.
Main Results:
- The algorithm successfully extends the measurable time windows of pulses.
- No experimental modifications are needed, simplifying implementation.
Conclusions:
- The presented algorithm enhances the capabilities of X-SPIDER for pulse characterization.
- This advancement allows for broader applications in ultrafast science without increased experimental complexity.

