Laser-based multi-gas detection system for fire safety and explosion prevention

2015 Fiscal Year Final Research Report

• Project/Area Number: 25750140
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Social systems engineering/Safety system
• Research Institution: National Institute of Technology, Toyama College
• Principal Investigator: Yoshii Yotsumi 富山高等専門学校, 電子情報工学科, 准教授 (10413759)
• Research Collaborator: TANIKAWA Chie ; MATSUI Tomoya 富山高等専門学校, 制御情報システム工学専攻
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: ガス計測 / レーザー分光 / 火災・爆発防止 / 非線形波長変換 / 多成分測定

Outline of Final Research Achievements

Gas detection system for the purpose of preventing explosion accident has been developed. Simultaneous detection of oxygen and acetylene using a single diode laser in conjunction with a nonlinear optics is achieved. Effect of nonlinear optics on wavelength modulation method is investigated and shown that the condition which maximizes signal to noise ratio differs from the wavelength of highest conversion efficiency. The signal response time is less than 1s which is faster than any other conventional gas detection methods.

Free Research Field

レーザー分光計測