Directional microwave emission from femtosecond-laser illuminated linear arrays of superconducting rings.
Sci Rep
; 13(1): 18043, 2023 Oct 23.
Article
in En
| MEDLINE
| ID: mdl-37872200
ABSTRACT
We examine the electromagnetic emission from two photo-illuminated linear arrays composed of inductively charged superconducting ring elements. The arrays are illuminated by an ultrafast infrared laser that triggers microwave broadband emission detected in the 1-26 GHz range. Based on constructive interference from the arrays a narrowing of the forward radiation lobe is observed with increasing element count and frequency demonstrating directed GHz emission. Results suggest that higher frequencies and a larger number of elements are achievable leading to a unique pulsed array emitter concept that can span frequencies from the microwave to the terahertz (THz) regime.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Language:
En
Journal:
Sci Rep
Year:
2023
Document type:
Article
Affiliation country:
Estados Unidos