Title :
Coherent tunable THz-wave generation from LiNbO/sub 3/ OPO using grating coupler
Author :
Kawase, Kanta ; Sato, Mitsuhisa ; Taniuchi, Tetsuo ; Ito, H.
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
Abstract :
Summary form only given. In conclusion, we demonstrated an efficient coherent THz-wave generation utilizing a grating coupler on LiNbO/sub 3/ optical parametric oscillator and difference frequency mixing. Tunable nanosecond THz-wave generation with both good temporal and spatial coherence was achieved. The tunability, directivity, and efficiency were proved to be good enough for applications such as spectroscopy, THz imaging, and so forth.
Keywords :
diffraction gratings; high-speed optical techniques; lithium compounds; optical couplers; optical materials; optical parametric oscillators; submillimetre wave imaging; submillimetre wave spectroscopy; tuning; LiNbO/sub 3/; LiNbO/sub 3/ OPO; LiNbO/sub 3/ optical parametric oscillator; THz imaging; coherent tunable THz-wave generation; difference frequency mixing; directivity; efficiency; grating coupler; spatial coherence; spectroscopy; temporal coherence; tunability; tunable nanosecond THz-wave generation; Fabry-Perot; Frequency conversion; Gratings; Indium tin oxide; Laser excitation; Nonlinear optics; Optical pulse generation; Raman scattering; Spectroscopy; Tunable circuits and devices;
Conference_Titel :
Lasers and Electro-Optics, 1996. CLEO '96., Summaries of papers presented at the Conference on
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-443-2
