| Spin exchange relaxation-free (SERF)-based magnetometer system for high-sensitivity magnetic field detection, has embedded signal optimization module that incorporates machine learning algorithms to adaptively tune system performance based on real-time sensitivity feedback | |
| 2024-04-06 | |
| 专利权人 | QAIG PRIVATE LTD (QAIG-Non-standard) |
| 申请日期 | 2024-04-06 |
| 专利号 | IN202441028401-A |
| 成果简介 | NOVELTY - The system has a vertical cavity surface emitting laser (VCSEL) that emits dual coaxially aligned optical beams at atomic resonance wavelengths. A Rubidium-87 vapor cell contains an alkali metal vapor and buffer gas. An optical assembly is adapted to polarize and guide the laser beams. A detection unit converts polarization rotation into an electrical signal. The electro-optic elements circularly polarize a pump beam and linearly polarizes a probe beam for inducing Zeeman transitions. A magnetic field isolation chamber is composed of multilayer muonium metal shielding and orthogonally arranged Helmholtz coils for active zero-field generation. A calibration and feedback control subsystem applies reference fields and adjusts laser and thermal parameters dynamically. An embedded signal optimization module incorporates machine learning algorithms to adaptively tune system performance based on real-time sensitivity feedback. USE - SERF-based magnetometer system for high-sensitivity magnetic field detection. Uses include but not limited to medical imaging, neurological diagnostics, geophysical exploration, and defense applications. ADVANTAGE - The high-sensitivity SERF-based magnetometer system detects extremely weak magnetic fields, especially those generated by biological processes, while operating efficiently at room temperature. The system achieves the level of precision without relying on cryogenic cooling infrastructure, thus, eliminating the size, cost, and complexity constraints associated with conventional superconducting quantum interference device (SQUID)-based systems. The thermal stability is critical for maintaining optimal alkali atom density, which directly influences the sensitivity and reliability of magnetometric measurements. The system ensures precise manipulation of the polarization states of the pump and probe beams using polarization-maintaining fibers, waveplates, and electro-optic modulators. The system enhances the efficiency of Zeeman transitions and maximizes the sensitivity of the system to external magnetic fields through the Faraday rotation effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method of detecting weak magnetic fields. |
| IPC 分类号 | A61B-005/055 ; G01R-033/46 |
| 国家 | 印度 |
| 专业领域 | 信息技术 |
| 语种 | 英语 |
| 成果类型 | 专利 |
| 文献类型 | 科技成果 |
| 条目标识符 | http://119.78.100.226:8889/handle/3KE4DYBR/17336 |
| 专题 | 中国科学院新疆生态与地理研究所 |
| 作者单位 | QAIG PRIVATE LTD (QAIG-Non-standard) |
| 推荐引用方式 GB/T 7714 | BARTHWAL S,JAISWAL K,CHAGANTI G,et al. Spin exchange relaxation-free (SERF)-based magnetometer system for high-sensitivity magnetic field detection, has embedded signal optimization module that incorporates machine learning algorithms to adaptively tune system performance based on real-time sensitivity feedback. IN202441028401-A[P]. 2024. |
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