Title :
Measurement of the Gouy phase shift for surface plasmon polaritons
Author :
Zhu, Wenqi ; Agrawal, Amit ; Nahata, Ajay
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Utah, Salt Lake City, UT
Abstract :
We measure the Gouy phase-shift of converging surface-plasmons as they evolve through the focus using terahertz time-domain spectroscopy. We perform numerical simulations to determine the surface field distribution and associate it with the Gouy phase-shift.
Keywords :
numerical analysis; optical variables measurement; phase measurement; polaritons; submillimetre wave spectroscopy; surface plasmons; time-domain analysis; Gouy phase shift measurement; numerical simulations; surface field distribution; surface plasmon polaritons; terahertz time-domain spectroscopy; Electric variables measurement; Finite difference methods; Optical filters; Optical surface waves; Phase measurement; Plasmons; Spectroscopy; Submillimeter wave measurements; Surface waves; Time domain analysis; (120.5050) Phase measurements; (240.6680) Surface plasmons; (260.3090) Far-infrared;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
