Chip-integrated Spectroscopy Capable of Temperature Retrieval
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arXiv
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| Autori principali: | , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
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| _version_ | 1866916464164864000 |
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| author | Du, Yifan Sua, Yong Meng Kumar, Santosh Zhang, Jiuyi Li, Xiangzhi Hu, Yongxiang Ghuman, Parminder Huang, Yuping |
| author_facet | Du, Yifan Sua, Yong Meng Kumar, Santosh Zhang, Jiuyi Li, Xiangzhi Hu, Yongxiang Ghuman, Parminder Huang, Yuping |
| contents | We demonstrate a chip-integrated emission spectroscope capable of retrieving the temperature of the light sources. It consists of a single photon detector with low dark counts and a sweeping on-chip filter with 2 pm spectral resolution in the visible and near-infrared regimes. With wildfire sensing applications in mind, we test our system with a hollow cathode lamp to simulate the K-line emission, and show how the models of Doppler and collision broadening in the plasma can be used for temperature retrieval. With favorable device parameters, high spectral resolution, and a novel temperature retrieval capability, our technique may find broad applications in environmental monitoring, astrophysics, plasma physics, and so on. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_23966 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Chip-integrated Spectroscopy Capable of Temperature Retrieval Du, Yifan Sua, Yong Meng Kumar, Santosh Zhang, Jiuyi Li, Xiangzhi Hu, Yongxiang Ghuman, Parminder Huang, Yuping Optics We demonstrate a chip-integrated emission spectroscope capable of retrieving the temperature of the light sources. It consists of a single photon detector with low dark counts and a sweeping on-chip filter with 2 pm spectral resolution in the visible and near-infrared regimes. With wildfire sensing applications in mind, we test our system with a hollow cathode lamp to simulate the K-line emission, and show how the models of Doppler and collision broadening in the plasma can be used for temperature retrieval. With favorable device parameters, high spectral resolution, and a novel temperature retrieval capability, our technique may find broad applications in environmental monitoring, astrophysics, plasma physics, and so on. |
| title | Chip-integrated Spectroscopy Capable of Temperature Retrieval |
| topic | Optics |
| url | https://arxiv.org/abs/2410.23966 |