| Free-space laser tuning of optical microcavities | |
| GOLDSMITH, RANDALL HOWARD; HEYLMAN, KEVIN DANIEL | |
| 2015-12-29 | |
| 著作权人 | WISCONSIN ALUMNI RESEARCH FOUNDATION |
| 专利号 | US9223156 |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Free-space laser tuning of optical microcavities |
| 英文摘要 | Methods and apparatuses for resonance tuning of microcavities are provided. An apparatus comprises a whispering gallery mode optical microcavity characterized by at least one resonance frequency; optical components configured to evanescently couple a probe laser beam into the microcavity; an absorber element in thermal contact with the microcavity; and optical components configured to illuminate the absorber element with a free space pump light beam, wherein the absorber element is configured to absorb energy from the free space pump light beam, thereby generating heat, and to transfer the heat to the microcavity, thereby inducing a shift in the at least one resonance frequency. The absorber element may be configured as a pillar forming an interfacial region with the microcavity at one of the ends of the pillar. The surface of the microcavity may be substantially free of a coating material. |
| 公开日期 | 2015-12-29 |
| 申请日期 | 2014-02-14 |
| 状态 | 授权 |
| 内容类型 | 专利 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/37732]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | WISCONSIN ALUMNI RESEARCH FOUNDATION |
| 推荐引用方式 GB/T 7714 | GOLDSMITH, RANDALL HOWARD,HEYLMAN, KEVIN DANIEL. Free-space laser tuning of optical microcavities. US9223156. 2015-12-29. |
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