Title :
A difference-frequency based mid-IR broadband source for surface spectroscopy of explosives
Author :
Nugent-Glandorf, Lora ; Neely, Tyler W. ; Johnson, Todd A. ; Diddams, Scott A.
Author_Institution :
Time & Freq. Div., NIST, Boulder, CO, USA
Abstract :
We describe a 2.8-4.4 μm tunable difference-frequency based mid-IR broadband source. With a FWHM of 170 nm centered at 3.3 μm, we have investigated the C-H stretch signatures of solid-phase trace explosives on surfaces.
Keywords :
explosives; infrared sources; optical tuning; C-H stretch signatures; mid-IR broadband source; solid-phase trace explosives; surface spectroscopy; tunable difference-frequency; wavelength 2.8 mum to 4.4 mum; Explosives; Fiber lasers; Laser beams; Laser tuning; Mirrors; Optimized production technology; Spectroscopy;
Conference_Titel :
Photonics Society Summer Topical Meeting Series, 2011 IEEE
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4244-5730-4
DOI :
10.1109/PHOSST.2011.6000066
