Extended propagation of sub-mm incoherent space-time fields over 110 m distance

Murat Yessenov; Layton Hall; Basanta Bhaduri; Monjurul Meem; Kenneth L. Schepler; Rajesh Menon; Martin Richardson; Ayman Abouraddy

doi:10.1117/12.2587827

12 April 2021 Extended propagation of sub-mm incoherent space-time fields over 110 m distance

Murat Yessenov, Layton Hall, Basanta Bhaduri, Monjurul Meem, Kenneth L. Schepler, Rajesh Menon, Martin Richardson, Ayman Abouraddy

Author Affiliations +

Proceedings Volume 11724, Laser Technology for Defense and Security XVI; 1172409 (2021) https://doi.org/10.1117/12.2587827
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

Space-time (ST) wave packets are propagation-invariant pulsed beam endowed with a tight correlation between the underlying spatial and temporal frequencies. We present a theoretical formulation and experimental demonstration of sub-millimeter incoherent ST light sheets traversing 110 m without significant diffraction. We synthesize ST fields of beam width ~ 0.7 mm from a superluminescent diode with a bandwidth of ~20 nm centered at 840 nm and observe propagation-invariant behavior across a distance of over 100-m distance in free-space. Finally, we study the effect of the aperture on the propagation distance and far-field beam size of ST light sheets.

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Citation Download Citation

Murat Yessenov, Layton Hall, Basanta Bhaduri, Monjurul Meem, Kenneth L. Schepler, Rajesh Menon, Martin Richardson, and Ayman Abouraddy "Extended propagation of sub-mm incoherent space-time fields over 110 m distance", Proc. SPIE 11724, Laser Technology for Defense and Security XVI, 1172409 (12 April 2021); https://doi.org/10.1117/12.2587827

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