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Communication and Information Measurement [Matsuura] Lab
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An optical measurement lab that analyzes blood and breath using infrared and ultraviolet light.
AboutAbout the lab
Examining the state of the body with light.
The Matsuura Lab researches technologies that use light to examine the state of the body, as well as hollow optical fibers.
It develops methods that use infrared and ultraviolet light to analyze components in blood and breath.
The lab also studies hollow optical fibers themselves, which are thin tubes that guide light.
On the lab's website, it is introduced under two names: Biomedical Optical Engineering at the Graduate School of Biomedical Engineering, and Communication and Information Measurement in the Department of Communications Engineering at the Graduate School of Engineering.
Key terms
- Photoacoustic Spectroscopy
- A method that analyzes the components of a substance by detecting the sound and ultrasound produced when it absorbs light and expands from the resulting heat
- Mid-Infrared Light
- Infrared light with long wavelengths. It can be used to analyze the structures of proteins, lipids, and carbohydrates
- Hollow Optical Fiber
- An optical fiber with a thin film on the inside of a narrow glass tube, which guides light by reflecting it within the hollow space
ResearchResearch themes
This lab researches methods that use infrared and ultraviolet light to examine components in blood and breath. It also studies hollow optical fibers that transmit intense laser light and infrared and ultraviolet light, along with their applications.
*Illustrative imageHealthcare Systems Using Infrared Light
The lab researches methods to estimate blood components without drawing blood, using photoacoustic spectroscopy with mid-infrared lasers. Components located deep beneath the body surface can be detected, and wearable devices attached to places such as the earlobe are expected to measure blood glucose levels and the like on a daily basis.
*Illustrative imageBreath Analysis Using Ultraviolet Light
Focusing on the fact that trace components in breath strongly absorb ultraviolet light, the lab is developing a method that measures them inside a hollow optical fiber that confines light. This makes it possible to monitor whether aerobic exercise that burns fat is being done effectively.
*Illustrative imageRapid Diagnosis by Infrared Spectroscopy of Blood
The lab is developing a method that determines the type and malignancy of brain diseases from the infrared absorption spectrum of a small amount of blood. Because it requires no specific reagents or pretreatment and can be performed with a simple device, it is expected to develop into rapid diagnosis systems for various diseases.
*Illustrative imageHollow Optical Fibers and Their Applications
The lab studies optical fibers made by coating the inside of glass tubes less than 1 mm in diameter with a thin film of metal or resin. Depending on the material and structure, the transmitted wavelengths range from soft X-rays to terahertz, and the fibers can efficiently deliver intense laser light that is difficult to transmit through ordinary glass fibers.
MembersFaculty
- ProfessorYuji Matsuura
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Upconversion Fluorescence - Optical fiber that contains infrared light shines with a blue color in the dark - Laser Physics Lab - NTNU-NT” NTNU, Faculty of Natural Sciences and Technology / CC BY 2.0 (cropped)
- Healthcare Systems Using Infrared Light: “Setup to generate an extremely precise Wavelength of Infrared light” Steve Jurvetson from Menlo Park, USA / CC BY 2.0 (cropped)
- Breath Analysis Using Ultraviolet Light: “Breath analyzer” Dolorpiedo / CC BY-SA 4.0 (cropped)
- Rapid Diagnosis by Infrared Spectroscopy of Blood: “FTIR Spectrometer + ATR” Keshavana / CC BY-SA 4.0 (cropped)
- Hollow Optical Fibers and Their Applications: “Hollow-core photonic bandgap fiber” Defense Advanced Research Projects Agency (DARPA) / Public domain (cropped)
- Related lab (Micro-Optics [Yoshida] Lab): “Easton Utilities Fiber Optic Cable Work Demonstration (20230920-USDA-RD-CDP-4778)” USDAgov / Public domain (cropped)
- Related lab (Advanced Spintronics Medical Application Engineering Joint Research Lab): “Hall sensor square van der Pauw Geometry” Panoga / CC BY-SA 4.0 (cropped)
- Related lab (Acoustic Wave Physics and Engineering [Yoshizawa] Lab): “Diagram showing liver lesioning using a HIFU transducer” James Ross McLaughlan / CC BY-SA 4.0 (cropped)
- Related lab (Systems and Control Engineering (Sugita) Lab): “Optical Therapeutics and Medical Nanophotonics Laboratory ( )” The U.S. Food and Drug Administration / Public domain (cropped)
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