Patent ID: 7768696
Filing Date: 2010-08-03
Classification: G02F

Abstract:
1. A THz-wave generator, comprising a light source unit; a light circulating unit comprising an SSB optical modulator; wavelength selecting means; and a THz-wave generating element, wherein the light circulating unit and wavelength selecting means are disposed between the light source unit and the THz-wave generating element, the light source unit is arranged to emit a laser beam that is guided into the light circulating unit, the light circulating unit is configured to circulate said laser beam through the SSB optical modulator and to generate lightwaves having a plurality of wavelengths, the wavelength selecting means is configured to select two specific wavelength lightwaves out of said lightwaves having a plurality of wavelengths generated in the light circulating unit, the wavelength selecting means is arranged to input the two specific wavelength lightwaves into the THz-wave generating element, and the THz generating unit is configured to generate a THz-wave.