Tunable generation of terahertz radiation

Details Tunable generation of terahertz radiation Tunable generation of terahertz radiation

2006-07-31

2008-10-21

Bolda, Eric (Department: 3663)

Optical: systems and elements

Optical amplifier

Particular active medium

C372S037000, C372S043010

Reexamination Certificate

active

07440178

ABSTRACT:
A method of tunable generation of terahertz radiation comprising: (A) providing a magnon gain medium; wherein the magnon gain medium supports generation of nonequilibrium magnons; (B) generating terahertz radiation in the magnon gain medium; and (C) tuning frequency of the terahertz radiation by causing changes in an external parameter. The substantial tuning of the frequency of the generated terahertz radiation can be achieved by applying an external magnetic field, and by causing changes in a value of the external magnetic field.

REFERENCES:
R.P. Van Stapele, “Sulphospinels”, Ferromagnetic Materials, 1982, Chapter 8, vol. 3, North-Holland Publishing Company.
L. Passell, O. W. Dietrich and J. Als-Nielsen, “Neutron Scattering From The Heisenberg Ferromagnets EuO and EuS. I. The Exchange Interactions”, Physical Review B, Dec. 1, 1976, pp. 4897-4907, vol. 14.
J.P. Lascaray, J.P. Desfours and M. Averous, “Bound Magnetic Polaron Evidence In EuO”, Solid State Communications, 1976, pp. 677-679, vol. 19, Pergamon Press.
J. Schoenes and P. Wachter, “Exchange Optics In Gd-doped EuO”, Physical Review B, Apr. 1, 1974, pp. 3097-3105, vol. 9, No. 7.

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