TERAHERTZ ELECTROMAGNETIC WAVE LIGHT SOURCE

Title:

TERAHERTZ ELECTROMAGNETIC WAVE LIGHT SOURCE

Document Type and Number:

Japanese Patent JP2004289040

Kind Code:

A

Abstract:

To provide a terahertz electromagnetic wave light source which radiates terahertz electromagnetic waves from a semiconductor in a magnetic field and which can produce a high-intensity output and can be further miniaturized.

The terahertz electromagnetic wave light source 1 includes a small fiber laser 11 for outputting a laser beam having a central wavelength of 1,560 nm, an indium/antimony(InSb)-based semiconductor sample 12, and a general-purpose magnet 13 which can generate a magnetic field having an intensity of at least 2 terahertz. When a laser beam having a spot size of 2 mm is irradiated onto the semiconductor sample 12 from the small fiber laser 11 and when the magnetic field of the magnet 13 is applied thereto, terahertz electromagnetic waves are radiated from the sample 12.

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Inventors:

SUGIURA TOSHIJI
YOSHIDA MUTSUMI
OTAKE HIDEYUKI
HIROZUMI TOMOYA
SARUKURA NOBUHIKO
TAKAHASHI KEIJI

Application Number:

JP2003081884A

Publication Date:

October 14, 2004

Filing Date:

March 25, 2003

Export Citation:

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Assignee:

AISIN SEIKI

International Classes:

H01S1/02; (IPC1-7): H01S1/02

Attorney, Agent or Firm:

Takashi Tomizawa
Ikuo Yamanaka
Akika Okado

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