High-precision microsensor technology for a wide application range

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Developing pioneering technology solutions and bringing them into application - that is the goal of Fraunhofer Institute for Photonic Microsystems IPMS. At this year's SENSOR+TEST trade fair in Nuremberg, the institute will present its latest developments in optical, chemical and ultrasonic sensor technology.

www.ipms.fraunhofer.de/en.html, Apr. 26, 2023 – 

Due to the high demand for sensors in a wide variety of application fields, there are very different requirements for their functionality and performance profile. The core objective of the research work of Fraunhofer IPMS is therefore to develop customer and application-specific systems. In doing so, existing products are expanded and new applications are made possible through the use of innovative technologies, components and systems. These are characterized by higher precision, smaller dimensions, better energy efficiency and additional functions compared to standard sensors. The range of services extends from conception and prototype development to pilot production in the institute's own laboratories and clean rooms - from components to complete system solutions. The combination with artificial intelligence (AI software) also enables the development of "intelligent" complete systems.

At this year's SENSOR+TEST trade fair in Nuremberg, the institute will present its latest developments in optical, chemical and ultrasonic sensor technology:

Optical sensors

Visitors to the trade fair stand of the Fraunhofer IPMS will receive information about innovative compact and ultra-compact near-infrared (NIR) spectral analysis systems. In addition, the institute is presenting for the first time a demonstrator that uses spectral analysis to detect the composition of textiles. The area of application opens up numerous possibilities along the entire value chain. In this way, the materials can be checked by the buyer at the time of purchase. In the area of care, the need for cleaning can be identified by analyzing the dirt particles, and a suitable washing program can be determined on the basis of color and materials. Especially in the context of Ambient Assisted Living, versatile areas of application are conceivable. The system can also be used in relation to textile recycling to sort textiles according to color and materials.

Other areas of application for the Fraunhofer IPMS spectral analysis systems include freshness testing of foods, sorting of plastic objects during recycling, or determining the type and concentration of raw materials in pharmaceuticals. The systems can be flexibly adapted to different spectral ranges in the design process.

Due to the combination of "single point" near-infrared spectroscopy with simple RGB imaging, maximum information determination is achieved, which enables the connection to intelligent systems with AI software. Continuous development of the system is planned. In this context, a broader spectral range in the UV range is targeted in order to make contaminations such as mold and bacteria visible.

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