Realizing normal group-velocity dispersion in free space via angular dispersion

It has long been thought that normal group-velocity dispersion (GVD) cannot be produced in free space via angular dispersion. Indeed, conventional diffractive or dispersive components such as gratings or prisms produce only anomalous GVD. We identify the conditions that must be fulfilled by the angu...

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Veröffentlicht in:	Optics letters 2021-11, Vol.46 (21), p.5421-5424
Hauptverfasser:	Hall, Layton A., Abouraddy, Ayman F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Angular velocity Prisms
Online-Zugang:	Volltext
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