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Spectral Characteristics of Photoconductive Dipole Antennas Including Photocurrent and Receiving Antenna Effects
| Content Provider | Semantic Scholar |
|---|---|
| Author | Irie, K. Takano, Keisuke Young, John C. Yamamoto, Kohji Tani, Masahiko Suzuki, Takehito |
| Copyright Year | 2015 |
| Abstract | Photoconductive dipole antennas are promising candidates for efficiently converting laser light into a broadband terahertz wave. We present a finite integration technique analysis of these antennas in free space by using an analytic transient current excitation in the photoconductive substrate and by including the effects of the receiving antenna. We display that the far-field spectral characteristics coincide well with the measured results. Considering that the model does not require analyzing the full photoconductive antenna structure, design-bysimulation of photoconductive antennas with desired spectral characteristics is seen to be practical in place of design by trial-and-error fabrication. Furthermore, the form of the transient current pulse excitation is determined to be critical in obtaining good agreement between measured and computed results. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://nebula.wsimg.com/a8b7d2b05c526a8ed140526f2f5b18d2?AccessKeyId=638139448EC3C95C7DBE&alloworigin=1&disposition=0 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
