IRIS 2

IR-microspectroscopy

The IR-spectroscopy and microscopy instrument IRIS 2 is a dedicated infrared microscope (Bruker Vertex 80/Hyperion 3000) in the THz to mid-IR regime (50-10000 1/cm).

Possible applications span from investigation of biological systems (cells, tissues, fibres, interactions of proteins etc.), to novel functional (high-Tc superconductors, batteries, polymers, nanoplastics etc.) and cultural heritage (works of art, artifacts etc.) materials.

• Vibrational, structural electronic properties of liquids, solids, surfaces and thin layers
• Microscopic investigation of structured materials, e.g. biological systems (cells, tissues, fibres, interactions of proteins), with diffraction limited spatial resolution (ca. 5-10 µm)
• Nanospectroscopy and imaging of composite materials beyond the diffraction limit with spatial resolution down to ca. 20 nm
• Single-shot time-resolved IR- spectroscopy, e.g. to investigate irreversible the structural and functional interactions of proteins with down to µs time resolution

IRIS Beamline and Endstations

Methods

IR Microscopy, Mid Infrared near-field Microscopy, THz-near-field Microscopy, IR Spectroscopy, THz spectroscopy, Time-resolved absorption, Polarimetry, Reflectometry, Time-resolved reflection

Remote access

depends on experiment - please discuss with Instrument Scientist

More Details on Methods available:

IR Microspectroscopy and Imaging (ca. 5-10 µm):

• THz to mid-IR
• Transmission
• Reflection
• ATR (attenuated total reflection)
• Polarimetry