Japanese researchers develop method to detect hydrogen with high sensitivity

In Japan, Chiba University reported that researchers developed a new method for accurately detecting hydrogen with high sensitivity using tunable diode laser absorption spectroscopy

“Hydrogen, a promising fuel, has extensive applications in many sectors. However, its safe and widespread use necessitates reliable sensing methods. While tunable diode laser absorption spectroscopy (TDLAS) has proved to be an effective gas sensing method, detecting hydrogen using TDLAS is difficult due to its weak light absorption property in the infrared region. Addressing this issue, researchers developed an innovative calibration-free technique that significantly enhances the accuracy and detection limits for sensing hydrogen using TDLAS,” Chiba University said.

“A research team from Japan led by Associate Professor Tatsuo Shiina from the Graduate School of Engineering, Chiba University, developed an innovative method for precise hydrogen gas measurement using TDLAS.

“In this study, we achieved highly sensitive detection of hydrogen gas through meticulous control of pressure and modulation parameters in the TDLAS setup. Additionally, we introduced a calibration-free technique that ensures the adaptability to a wide range of concentrations,” explained Shiina.

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