The successful development of isotope analyzers with wavelength-modulated off-axis integrated-cavity spectroscopy

At present, the CAS research equipment development project "based on wavelength modulation off-axis integrated spectroscopy isotope analyzer developed, and in the atmospheric environment monitoring, coal mine gas source, source of greenhouse gas emissions and other fields in the user units for demonstration and application of the China's atmospheric pollutants in real-time monitoring and accurate analysis provides a new technical means.

Recently, by the conditions of the Chinese Academy of Sciences, Assurance and Finance Bureau, the Chinese Academy of Sciences, Hefei Institute of Materia Medica organization experts, the Chinese Academy of Sciences, Hefei Institute of Anhui Institute of Optics and Fine Mechanics, Institute of Optics and Fine Mechanics Dongfeng Zhong, Professor Liu Guijian University of Science and Technology of China shared scientific research equipment development project The "Development of an Isotope Analyzer Based on Wavelength Modulation Offset Integrated Cavity Spectroscopy" was accepted.

The project has successfully developed an online isotope measurement system based on wavelength modulation with off-axis integrated output spectroscopy with independent intellectual property rights. It broke through the development of on-line frequency locking of laser output, development of long cavity passive resonator and optical path adjustment, algorithm analysis, temperature Pressure and precise control of key technologies to improve the project team in the field of laser spectroscopy independent innovation and core competitiveness.

The test panel reviewed the technical specifications for the implementation plan, reviewed the test program, and conducted field tests on various technical indicators of the monitoring system. The acceptance expert team reviewed the relevant acceptance materials provided by the project team and listened to the project manager Work report, financial report and test group test report, verified the operation of the equipment. After inquiring and discussing, it was agreed that: the project completed all the tasks, assessment objectives and technical indicators stipulated in the implementation plan, and agreed that the project passed the inspection .


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