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System and method for determining absolute carrier-envelope phase of ultrashort laser pulses

Patent ·
OSTI ID:1986979
; ; ;
A system for determining an absolute carrier-envelope phase (CEP) of ultrashort laser pulses includes a laser system for generating a laser beam including ultrashort optical pulses of a duration of less than 10 fs, an ultrabroadband quarter-wave plate configured to polarize the laser beam, and a gas jet emitting a continuous jet stream into the laser beam. The system includes focusing optics to adjust a focal spot of the laser beam to the gas jet, and a detector arrangement including a beam block and a microchannel plate (MCP) imaging detector, wherein the laser beam is directed to the detector arrangement. The method involves using angular streaking to determine the absolute CEP of both elliptically and linearly polarized light.
Research Organization:
Wayne State University, Detroit, MI (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
SC0012628
Assignee:
Wayne State University (Detroit, MI)
Patent Number(s):
11,539,181
Application Number:
17/072,237
OSTI ID:
1986979
Country of Publication:
United States
Language:
English

References (8)

Characterization of broadband few-cycle laser pulses with the d-scan technique journal January 2012
Direct in-situ single-shot measurements of the absolute carrier-envelope phases of ultrashort pulses journal January 2019
Gouy Phase Shift for Few-Cycle Laser Pulses journal March 2004
Nonadiabatic tunneling in circularly polarized laser fields: Physical picture and calculations journal December 2011
The circular-polarization phase-meter journal October 2012
Coincidence ion imaging with a fast frame camera journal December 2014
Single-shot carrier-envelope-phase tagging using an f –2 f interferometer and a phase meter: a comparison journal November 2017
Absolute-phase phenomena in photoionization with few-cycle laser pulses journal November 2001

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