Application of VCSEL in Bio-Sensing Atomic Magnetometers

Author:

Zhou PengORCID,Quan Wei,Wei Kai,Liang Zihua,Hu JinshengORCID,Liu Lu,Hu Gen,Wang Ankang,Ye Mao

Abstract

Recent years have seen rapid development of chip-scale atomic devices due to their great potential in the field of biomedical imaging, namely chip-scale atomic magnetometers that enable high resolution magnetocardiography (MCG) and magnetoencephalography (MEG). For atomic devices of this kind, vertical cavity surface emitting lasers (VCSELs) have become the most crucial components as integrated pumping sources, which are attracting growing interest. In this paper, the application of VCSELs in chip-scale atomic devices are reviewed, where VCSELs are integrated in various atomic bio-sensing devices with different operating environments. Secondly, the mode and polarization control of VCSELs in the specific applications are reviewed with their pros and cons discussed. In addition, various packaging of VCSEL based on different atomic devices in pursuit of miniaturization and precision measurement are reviewed and discussed. Finally, the VCSEL-based chip-scale atomic magnetometers utilized for cardiac and brain magnetometry are reviewed in detail. Nowadays, biosensors with chip integration, low power consumption, and high sensitivity are undergoing rapid industrialization, due to the growing market of medical instrumentation and portable health monitoring. It is promising that VCSEL-integrated chip-scale atomic biosensors as featured applications of this kind may experience extensive development in the near future.

Funder

National Natural Science Foundation--Outstanding Youth Foundation

Publisher

MDPI AG

Subject

Clinical Biochemistry,General Medicine,Analytical Chemistry,Biotechnology,Instrumentation,Biomedical Engineering,Engineering (miscellaneous)

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Thermal and magnetic field analysis of temperature control module for VCSEL chips;Case Studies in Thermal Engineering;2023-11

2. Optically Pumped Magnetometers Recent Advances and Applications in Biomagnetism: A Review;IEEE Sensors Journal;2023-09-01

3. Polarization multiplexing in VCSEL-arrays;Vertical-Cavity Surface-Emitting Lasers XXVII;2023-03-15

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