What is a Spectral sensor?

A spectroscopic sensor is a sensor that obtains molecular information by irradiating a substance with light and measuring the reflection, scattering, and absorption of the spectrum, and is included in the spectroscope. There are many types of spectroscopes and spectroscopic sensors, which are classified according to the wavelength range of light used and the difference in principle. You can monitor the color measurement, film thickness measurement, identification of chemical substances, etc. of the measurement target. Recently, small, high-performance spectroscopic sensors have been developed, making it easy to perform real-time analysis.

Application of Spectral sensor

Spectroscopic sensors are used in a wide range of objects such as semiconductors, foods, and living organisms. Since there are many types of spectroscopic sensors, they have a wide range of applications. It can be used for semiconductors, medical applications, industrial fields, pharmaceuticals and foods, biological samples, and water quality analysis. Of these, near-infrared sensors are often used. For example, it is possible to analyze the components of crops in real time. You can measure the amount of lycopene contained in tomatoes, the amount of chlorophyll contained in vegetables, the amount of fat contained in pork, etc. non-destructively. You can also measure human body fat. Near-infrared spectroscopic sensors are effective for production control and quality control because the measurement results can be seen immediately.

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