Loading...
research article
Intense THz source based on BNA organic crystal pumped at Ti:sapphire wavelength
2016
We report on high-energy terahertz pulses by optical rectification (OR) in the organic crystal N-benzyl-2-methyl-4-nitroaniline (BNA) directly pumped by a conventional Ti:sapphire amplifier. The simple scheme provides an optical-to-terahertz conversion efficiency of 0.25% when pumped by collimated laser pulses with a duration of 50 fs and a central wavelength of 800 nm. The generated radiation spans frequencies between 0.2 and 3 THz. We measured the damage threshold, as well as the dependency of the conversion efficiency on the pump fluence, pump wavelength, and pulse duration. (C) 2016 Optical Society of America
Type
research article
Web of Science ID
WOS:000374391900023
Authors
Shalaby, Mostafa
•
Vicario, Carlo
•
Thirupugalmani, Karunanithi
•
Brahadeeswaran, Srinivasan
•
Publication date
2016
Publisher
Published in
Volume
41
Issue
8
Start page
1777
End page
1780
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
July 19, 2016
Use this identifier to reference this record