The Fraunhofer Heinrich Hertz Institute HHI presents the latest developments in sensory and laser technology at the Photonics West. Meet our experts at the joint German booth 4629-28, hall D on February 13-18 in San Francisco, United States.
You find the following highlights at our boot 4629-28, hall D:
Terahertz sensing – World’s most compact THz-transceiver
Terahertz radiation has proven potential as versatile tool for non-destructive testing (NDT). Up to now, the application of THz technologies in industrial environments is severely impeded due to the complexity of today’s THz sensor heads. Especially reflection measurements suffer from bulky and expensive devices. The Fraunhofer HHI presents a novel integrated THz-transceiver, which combines emitter and detector in a single, compact module and allows for measurements under normal incidence for the first time.
Fiber optical 3D shape sensors: Cyberglove – control of robots with nerves out of glass
A new concept for a multifunctional fiber sensor platform for 3D shape sensing is developed by applying a novel femtosecond laser processing technology for high-precision direct writing of Bragg gratings within the core and the cladding of optical fibers. These sensors are exemplary integrated in a Cyberglove, where the movements of each individual finger can be detected, visualized, and simultaneously transferred to a robotic hand.
Integrated Tunable Lasers for THz generation: Dual tunable laser chip at 1.5µm – based on Fraunhofer HHI´s hybrid integration platform PolyBoard
Fraunhofer HHI´s PolyBoard platform enables the hybrid integration in one chip of two Polymer/InP DBR tunable lasers in the 1.5 µm wavelength range. Each laser shows a tuning range of 20 nm (2.4 THz), and continuous sweeps of more than 9 nm (1.1 THz) have been demonstrated. Application fields of such dual optical sources are DWDM optical networks, CW Terahertz systems, microwave photonics, and spectroscopy.
Anne Rommel | Fraunhofer-Institut für Nachrichtentechnik Heinrich-Hertz-Institut
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For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.
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Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
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Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
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