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Proceedings Paper

Programmable generation of ultrafast optical waveforms: recent advances in theory and technology
Author(s): Marc M. Wefers; Keith A. Nelson
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Paper Abstract

Recent advances in the shaping of ultrafast optical waveforms using liquid crystal (LC) spatial light modulators (SLM) are presented. Two LC SLMs are used in a novel arrangement to produce programmable waveforms with specified time-dependent amplitude and temporal phase profiles with the greatest fidelity and complexity to date. The apparatus is also used to demonstrate the generation of an ultrafast waveform with a programmable time-dependent polarization profile. A general theoretical result that describes the space-time electric field profile of waveforms shaped by the spectral filtering of spatially separated frequency components is also presented. The main result is that diffraction gives rise to a translational spatial shift in the electric field profile that varies linearly with time along the shaped waveform.

Paper Details

Date Published: 10 April 1995
PDF: 12 pages
Proc. SPIE 2377, Generation, Amplification, and Measurement of Ultrashort Laser Pulses II, (10 April 1995); doi: 10.1117/12.206413
Show Author Affiliations
Marc M. Wefers, Massachusetts Institute of Technology (United States)
Keith A. Nelson, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 2377:
Generation, Amplification, and Measurement of Ultrashort Laser Pulses II
Christopher P. P. Barty; Frank W. Wise, Editor(s)

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