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Berezin Research Group - Instrumentation

Spectorscopic Instrumentation

Our lab develops and applies novel spectroscopic instrumentation to understand and design optical contrast agents and identify spectral signatures of biological tissue for applications in medicine.
 

•	Vis-SWIR Fluorescence Time domain

 Vis-SWIR Fluorescence Time domain

An ultimate fluorometer designed for Vis-NIR-SWIR spectral range (300-1600 nm). The custom system built by Horiba in 2011 is one of the most sophisticated fluorimeters in the world.

Key features include:

  • T shape geometry, dual housing lamp with CW and flash tube Xe lamps, a double-grating excitation monochromator, front face and right angle fluorescence in solution and solids      
  • Four high-sensitivity Vis-NIR-SWIR detectors, Fluorescence/phosphorescence lifetime TCSPC module with Xe subsecond strobe, nanosecond NanoLeds, picoseconds Delta pulsed sources.
  • Automated polarizers for both S and T sides and a manual polarizer for lifetime measurements.
  • Fiberoptically connected external 6” integrating sphere to measure quantum yields of solids, liquids, powders, and thin films.
  • Fiberoptically connected microscope Olympus BX51 with a variety of cameras, DIC options, and filtercubes.
  • External stopped flow unit for measuring rapid kinetics of chemical reactions.

 

NIR-SWIR Absorption spectroscopy
NIR-SWIR Absorbtion spectroscopy


Custom built for our lab by Olis Inc. in 2012. Certified in 2016.

Key features include:

  • Absorption 600-1600 nm, Hummingbird double grating monochromator,
  • Temperature-controlled cuvette holder,
  • Two thermoelectrically cooled to -40C InGaAs detectors.
  • Variety of light sources, including a Xe lamp and a halogen lamp

 

UV-VIS Fluorescence Spectrophotometer Frequency domain

UV-VIS Fluorescence Spectrophotometer Frequency domain


One of the most reliable fluorescent spectrophotometers in the world built by ISS inc. Upgraded in 2016

Key features include:

  • Emission 200-850 nm.
  • Frequency domain lifetime measurement,
  • T-format and parallel beam optical design for fast polarization measurements
  • Full automation of all instrument components (cuvette holder, polarizers, shutters, filter wheel, monochromators, and stirrers),
  • PC-controlled temperature from -20 to 120oC

 

UV-VIS-NIR-SWIR Hyperspectral Imager

UV-VIS-NIR-SWIR Hyperspectral Imager


The pushbroom system (200 nm to 1650 nm) custom built in collaboration with Middleton Inc.

Key features:

  • High spatial resolution (640 x 512) in UV, VIS, NIR and SWIR
  • Optimal spectral resolution 5 nm.
  • Chromatic aberration free (except the UV).
  • Speed - < 1 min