Composition Measurement Section
Last modified 2000/07/05
1. Scope of Activities
Establishment of standards and research on fundamental and applied measurement technology for amount of substance, concentration and humidity
2. Section Members
Chiharu TAKAHASHI (Chief), Akihiro MITO, Hiroshi SAITO, Hiroshi KITANO, Nobuaki OCHI, Tomio YOKOTA (technical staff)
3. Major Research Themes and Standards Dissemination Activities
1. Humidity standards and measurement
・Development of humidity generators as the standard for high dew-point and low dew-point
・Development of trace moisture standards and measurement technique using VUV fluorescence method.
・Dissemination of humidity standards through JCSS accredited laboratories (JCSS: Japan Calibration Service System)
2. Environmental measurement
・CO2 concentration and pH measurement in sea water
3. Application of nonlinear and linear photonics on composition measurement
・Spectral transmittance in near infrared region
・Refractive index measurement by prism-coupling method
・Trace gas analysis by cavity ring down spectroscopy
・Evaluation of non-linear optical constants
Contact: Composition Measurement Section
E-mail:
cbusshit@nrlm.go.jp
Tel: +81-298-61-4068, Fax: +81-298-61-4135