Direct insitu measurements of absolute carrier envelope phase of ultrashort pulses
Debrah, Duke A.
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https://hdl.handle.net/2142/104393
Description
Title
Direct insitu measurements of absolute carrier envelope phase of ultrashort pulses
Author(s)
Debrah, Duke A.
Contributor(s)
Li, Wen
Stewart, Gabriel A.
Basnayake, Gihan
Issue Date
2019-06-19
Keyword(s)
Instrument/technique demonstration
Abstract
Many interesting and important physical processes such as high-harmonic generation and coherent control are highly sensitive to the absolute Carrier Envelope Phase (CEP) of ultrashort laser pulses. Thus, the control and measurement of the CEP is of immense importance in strong field physics and chemistry. Even though the relative CEP can be measured with few existing technologies, a simple direct insitu technique has not been developed previously. Here we demonstrate a new technique based on angular streaking that can achieve such a goal. The results have been compared directly with well-known f-2f interferometer measurements. This new technique will assist the research on light-matter interactions involving ultrashort pulses and improve attosecond metrology.
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