LCOS microscreens: a promising innovation
The Fraunhofer Institute for Photonic Microsystems (IPMS)in collaboration with HOLOEYE Photonics AGdeveloped an LCOS micro-écran compact with high refresh rates that significantly improves light modulation. This innovative device will be presented for the first time at the International Display Workshops (IDW 2024) in Sapporo, Japan.
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Principles and applications of LCOS microdisplays
LCOS microdisplays stand out for their low power consumption, small size and light weight. They find their applications in switchable adaptive optics, serving in particular as phase modulators, as well as in projection displays for augmented or virtual reality (AR/VR). Phase modulators are also used in biological imaging and microscopy for wavefront correction and beam shaping.
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The Fraunhofer Institute for Photonic Microsystems IPMS at the forefront of research
The Fraunhofer Institute for Photonic Microsystems IPMS is a leader in applied research and development in the fields of photonics, microelectronics and microsystems technology for intelligent industrial solutions, medical technology and mobility. Fraunhofer IPMS works on electronic, mechanical and optical components and their integration into miniaturized devices and systems.
Improved resolution and light modulation
The main objective of the development of this LCOS micro-display is to improve image resolution and minimize distortions caused by biological tissues, or to protect the observed samples. The new LCOS microdisplay from HOLOEYE and Fraunhofer IPMS uses an innovative CMOS backplane that enables high-speed light modulation.
Features and benefits of the new technology
Matthias Verworn from HOLOEYE emphasizes that thanks to the new generation of IPMS backplane, it is possible to produce compact micro-SLMs, suitable for applications requiring a reduced format. The small pixel size allows for larger diffraction angles, while the fast interface supports high clock rates and application-specific display addressing options.
Potential impact and future applications
This innovation opens up new possibilities in wearable AR holographic systems, in optogenetics for structured photostimulation of neurons, as well as in the fields of quantum optics and quantum computing. Philipp Wartenberg, Head of IC and System Design at Fraunhofer IPMS, mentions that the newly developed backplane architecture for their LCOS microdisplay significantly expands the possibilities for light modulation and significantly exceeds existing refresh rates.
Launch and outlook
HOLOEYE plans to launch the first products equipped with this LCOS light modulator in early 2026. This advancement represents a significant step towards cutting-edge technological applications, making interactions with digital devices faster and more efficient.
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This article explores the development of an LCOS microdisplay by the Fraunhofer Institute and HOLOEYE Photonics AG, which promises to significantly increase light modulation capabilities through very high refresh rates. This technology could transform the optical devices industry and significantly influence the development of augmented reality and other advanced technologies.
Source: Fraunhofer Institute for Photonic Microsystems (IPMS)
Source image : HOLOEYE Photonics AG
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