山西大学激光光谱研究所

Research Directions

Raman spectroscopy for gas detection, infrared absorption spectroscopy for gas detection, precision frequency control and linewidth narrowing of optical frequencies.  

Teaching

1. Course DevelopmentThe course "Electromagnetism" taught is recognized as a 2024 Shanxi Provincial First-Class Course Construction Project.  

2. Teaching Reform Projects  Research and practice on the hierarchical construction and innovation capability cultivation of photonics experiments under the New Engineering Discipline framework, 2024, Shanxi Higher Education Teaching Reform and Innovation Project.  

3. Teaching Responsibilities 

Undergraduate courses: 

     Theory: Electromagnetism 

     Experiments: Optoelectronics Experiments  

     Practical courses: Professional Cognition, System Assembly and Debugging, Graduation Internship, etc.  

Graduate courses:  

     Fundamental Experiments for Graduate Students

Academic Papers

⑴ Dual laser based optical feedback cavity enhanced absorption spectroscopy by polarization division multiplexing; Sensors and Actuators: B. Chemical; 2024, 414(1), 135955

⑵ Optical feedback noise-immune cavityenhanced optical heterodyne molecular spectrometry for sub-Dopplerbroadened detection of C2H2; Optics Letters; 2024, 49(2), 202-205

⑶ Dual-mode stabilization for laser to radio-frequency locking by using a single-sideband modulation and a Fabry–Pérot cavity; Chinese Optics Letters; 2024, 22(1), 011401-1-5

⑷ Research on narrow linewidth stabilized mid-infrared laser generation technology based on optical feedback frequency locking; Acta Physica Sinica; 2024, 73(1), 014205-1-8

⑸ Spectroscopic detection of radiocarbon dioxide based on optical feedback linear cavity enhanced absorption spectroscopy; Microwave and Optical Technology Letters; 2023, 66, 33946

⑹ Self-calibrated NICE-OHMS based on an asymmetry signal: theoretical analysis and experimental validation; Optics Express; 2023, 31(17), 27830-27842

⑺ Research on laser ranging based on dual-driven Mach-Zehnder modulator; Chinese Journal of Lasers; 2023, 50(2), 0204001-1-7

⑻ Theoretical optimization of the conversion efficiency in a pumpenhanced singly resonant optical parametric oscillator; Optoelectronics and Advanced Materials-Rapid Communications; 2022, 16(1- 2), 1-9

⑼ Generation of stable and tunable optical frequency linked to a radio frequency by use of a high finesse cavity and its application in absorption spectroscopy; Chinese Physics B; 2022, 31, 064206-1-5

⑽ Fiber pigtailed DFB laser-based optical feedback cavity enhanced absorption spectroscopy with a fibercoupled EOM for phase correction; Optics Express; 2022, 30(4), 6332-6340

⑾ Intensity noise self-suppression in a high efficiency doubly resonant sum frequency mixing red laser; Optics Communications; 2020, 458, 124680-1-6

⑿ High-efficiency frequency upconversion of 1.5 μm laser based on a doubly resonant external ring cavity with a low finesse for signal field; Applied physics B; 2017, 123, 52

⒀ Research on dual-wavelength external cavity resonant sum frequency technology under high-efficiency frequency conversion; Acta Physica Sinica; 2016, 65(7), 074202

⒁ Theoretical research on impedance matching in external cavity resonant sum frequency system; Acta Physica Sinica; 2016, 65(4), 044207

⒂ Generation of wavelength-tunable 589 nm laser based on single-wavelength external cavity resonant sum frequency technology and measurement of sodium atom saturated fluorescence spectrum; Acta Physica Sinica; 2013, 62(9), 094211

⒃ Theoretical research on Boyd-Kleinman factor optimization in dual-wavelength external cavity resonance; Journal of Quantum Optics; 2012, 18(2), 197-201

⒄ Hansch-Couillaud dual-wavelength external cavity frequency locking mechanism based on KTP bonded crystal; Acta Physica Sinica; 2011, 60(10), 104210

⒅ Research on laser-ring cavity frequency locking technology based on nonlinear crystal and Hansch-Couillaud technology; Acta Optica Sinica; 2011, 31(7), 0714004

Research Projects

(1) Development of Narrow Linewidth Laser Regulation Module, Sub-project of the National Key Research and Development Program, 1.48 million RMB, December 2023 - November 2026, In progress, Principal Investigator

(2) Measurement of Near-Infrared Oxygen Absorption Spectral Line Characteristics, Horizontal Project of Hefei Institutes of Physical Science, Chinese Academy of Sciences, 380,000 RMB, March 2023 - September 2023, Completed, Principal Investigator

(3) Generation and Optimization of 509 nm Vacuum Squeezed Light Field Based on Frequency Upconversion, Youth Fund Project of the National Natural Science Foundation of China, 340,000 RMB, January 2018 - December 2020, Completed, Principal Investigator

(4) Research on Key Technologies of High-Efficiency Sum-Frequency Generation in Dual-Wavelength External Cavity Resonance, Youth Fund Project of the Natural Science Foundation of Shanxi Province, 30,000 RMB, May 2015 - December 2017, Completed, Principal Investigator

(5) High-Sensitivity Multi-Gas Detection Device Based on Laser Raman Spectroscopy Technology, Central Government-Guided Local Science and Technology Development Project, 400,000 RMB, July 2024 - June 2027, In progress, Participant

(6) Radiocarbon-14 Spectrometer, National Major Scientific Instrument and Equipment Development Project, 2.25 million RMB, January 2024 - December 2028, In progress, Participant

Patents

(1) Frequency Locking Device for Dual-Wavelength External Cavity Resonance System, 2011, China, Patent No.: 201010241203.1

(2) Wavelength-Tunable Dual-Wavelength External Cavity Resonance Laser Frequency Conversion Device, 2011, China, Patent No.: 201010241204.6

Awards

(1) 2019: Awarded the "Young Outstanding Talent" of the "Sanjin Talents" Support Program of Shanxi Province