摘要
Solar-blind ultraviolet detection is of great importance in astronomy and industrial and military applications. Here, we report enhanced solar-blind ultraviolet single-photon detection by a normal silicon avalanche photodiode (Si APD) single-photon detector with a specially designed photon-collecting device. By re-focusing the reflected photon from the Si chip surface on the detection area by the aluminum-coated hemisphere, the detection efficiency of the Si APD at 280 nm can be improved to 4.62%. This system has the potential for high-efficiency photon detection in the solar-blind ultraviolet regime with low noise.
| 源语言 | 英语 |
|---|---|
| 期刊论文编号 | 030401 |
| 期刊 | Chinese Optics Letters |
| 卷 | 14 |
| 期 | 3 |
| DOI | |
| 出版状态 | 已出版 - 10 3月 2016 |
| 已对外发布 | 是 |
学术指纹
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