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Fraunhofer IPMS at PW 2024

Innovative, customized, and sustainable – these are the keywords for the numerous research projects of the Fraunhofer IPMS. At one of the leading conferences and trade fairs for photonics - SPIE Photonics West in San Francisco from January 27 to February 1, 2024 - the institute will present developments and advances in areas such as micro-optics, MEMS-based light modulators and biophotonics.

The Fraunhofer Institute for Photonic Microsystems IPMS is one of the leading research institutes for the development and production of electronic, micromechanical, and optical components and their integration into intelligent systems. With innovative micro-electro-mechanical systems (MEMS) and micro-opto-electro-mechanical systems (MOEMS), the institute opens up new applications through improved properties and additional functions. These include smaller dimensions, higher energy efficiency and increased performance. The institute will present some of its many research results at the photonics tech event SPIE Photonics in San Francisco.

Photonic Microsystems for High-Resolution Lighting Control

Fraunhofer IPMS develops spatial light modulators with up to several million mirrors on a semiconductor chip. So-called piston micromirror arrays enable high frame rates and high-precision wavefront modulation. A new field of application is the generation of computer-generated holograms in applications such as augmented, virtual and mixed reality. The micromirror arrays (MMA) developed at Fraunhofer IPMS are characterized by precise analog control of the deflection of each individual pixel and a wide wavelength range. Other potential applications include high-resolution DUV microlithography, adaptive optics and wavefront control. The latest characterization and simulation results will be presented in a talk at SPIE Photonics West. Various examples of real micromirror arrays and enlarged functional models can be viewed at the exhibition stand.

Custom MEMS Scanner Design and Qualified Production

Fraunhofer IPMS has extensive expertise in the development and production of MEMS scanners based on monocrystalline silicon. These components are characterized by large scanning angles, high scanning frequencies, on-chip position sensors and excellent long-term stability.

At the trade fair, the research institute will present for the first time a novel electrostatically driven vector scanner that can be used for rapid beam positioning of a compact medical therapy laser. The laser was developed for the treatment of retinal diseases and features high precision and speed of the vectorial beam positioning combined with high energy efficiency and suitability for high laser power.
In addition, this approach allows the fabrication with Fraunhofer IPMS' own AME75 technology, so that all combinations of vectorial (quasi-static) positioning and resonant scanner oscillation 1D, 2D can now be realized with one fabrication technology. This significantly expands the design space for Fraunhofer IPMS MEMS scanners.

Label-free detection with photonic biosensors

Label-free detection methods - i.e. without additional reagents for molecular characterization - have a high application potential. They offer simpler medical diagnostic tools that can be used outside the laboratory, making them accessible to non-specialist users. Fraunhofer IPMS develops photonic label-free biosensors based on integrated photonic components fabricated in silicon nitride technology, such as microring resonators and Mach-Zehnder interferometers. They are used for the selective detection of biomarkers or microbial substances and offer a suitable detection method for e.g. the early detection of diseases.

Fraunhofer IPMS will be present at the SPIE Photonics West conference and trade show for photonic technologies in San Francisco from January 27 to February 1, 2024, presenting its research at its booth (Hall F #4517) as well as in poster sessions and talks.

Labels: Photonics West 2024,SPIE,Fraunhofer IPMS,micro-optics,MEMS,biophotonics

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