Broadband space-time wave packets propagating 70 m

被引：39

作者：

Bhaduri, Basanta ^{[1
]}

Yessenov, Murat ^{[1
]}

Reyes, Danielle ^{[1
,4
]}

Pena, Jessica ^{[1
]}

Meem, Monjurul ^{[2
]}

Fairchild, Shermineh Rostami ^{[1
,3
]}

Menon, Rajesh ^{[2
]}

Richardson, Martin ^{[1
,3
,4
]}

Abouraddy, Ayman F. ^{[1
]}

机构：

[1] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA

[2] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA

[3] Florida Inst Technol, Phys & Space Sci, Melbourne, FL 32901 USA

[4] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

来源：

OPTICS LETTERS | 2019年 / 44卷 / 08期

关键词：

PULSED BEAMS; LIGHT;

D O I：

10.1364/OL.44.002073

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The propagation distance of a pulsed beam in free space is ultimately limited by diffraction and space-time coupling. "Space-time" (ST) wave packets are pulsed beams endowed with tight spatio-temporal spectral correlations that render them propagation-invariant. Here we explore the limits of the propagation distance for ST wave packets. Making use of a specially designed phase plate inscribed by gray-scale lithography and having a laser-damage threshold of similar to 0.5 J/cm(2), we synthesize a ST light sheet of width approximate to 700 mu m and bandwidth similar to 20 nm, and confirm a propagation distance of approximate to 70 m. (c) 2019 Optical Society of America

引用

页码：2073 / 2076

页数：4

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