Title :
Propagation and focusing characteristics of intense terahertz pulses generated from a large aperture photoconductive antenna
Author :
Tukamoto, K. ; Rungsawang, R. ; Hattori, T. ; Nakatsuka, H.
Author_Institution :
Inst. of Appl. Phys., Tsukuba Univ., Ibaraki, Japan
Abstract :
Propagation and focusing characteristics of intense terahertz electromagnetic pulses generated from a large aperture photoconductive antenna were studied by using the electro-optic sampling technique. Waveguide effects of metal apertures and frequency-dependent focusing were observed.
Keywords :
aperture antennas; beam steering; electro-optical effects; microwave photonics; optical focusing; photoconducting devices; submillimetre wave antennas; beam steering; electro-optic sampling; focusing characteristics; frequency-dependent focusing; knife edge beam size measurement; large aperture photoconductive antenna; metal apertures; negative tail; propagation characteristics; temporal electric field waveform; waveguide effects; Antennas and propagation; Aperture antennas; Character generation; Electromagnetic propagation; Electromagnetic transients; Electromagnetic waveguides; Photoconductivity; Pulse generation; Sampling methods; Submillimeter wave propagation;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.971171
