Invention Grant
- Patent Title: THZ wave generator
- Patent Title (中): THZ波发生器
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Application No.: US11547342Application Date: 2005-03-24
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Publication No.: US07768696B2Publication Date: 2010-08-03
- Inventor: Kaoru Higuma , Junichiro Ichikawa , Shingo Mori
- Applicant: Kaoru Higuma , Junichiro Ichikawa , Shingo Mori
- Applicant Address: JP Tokyo
- Assignee: Sumitomo Osaka Cement Co., Ltd.
- Current Assignee: Sumitomo Osaka Cement Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Chapman and Cutler LLP
- Priority: JP2004-104239 20040331
- International Application: PCT/JP2005/005327 WO 20050324
- International Announcement: WO2005/098530 WO 20051020
- Main IPC: G02F2/00
- IPC: G02F2/00 ; H01S4/00

Abstract:
The present invention purposes to provide a THz-wave generator capable of generating a THz-wave stably and efficiently, and particularly, to provide the THz-wave generator which is stable against a frequency shift of a laser source and which can easily vary the frequency of the THz-wave.A THz-wave generator, for inputting a laser beam from a light source unit A including a laser source to a THz-wave generating element D, and generating a THz-wave (fT) from the THz-wave generating element, wherein a light circulating unit including an SSB optical modulator, and wavelength selecting means C are disposed between the laser source A and the THz-wave generating element D, the laser beam is guided into the light circulating unit, a specific wavelength lightwave is selected out of lightwaves having a plurality of wavelengths generated in the light circulating unit by the wavelength selecting means, and the specific wavelength (f0, fn) lightwave is input to the THz-wave generating element.
Public/Granted literature
- US20090052013A1 THZ WAVE GENERATOR Public/Granted day:2009-02-26
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