Optical Spectroscopy Laboratory

Our spectroscopy laboratory is equipped with a VASE ellipsometer, FT-IR spectrometer with various attachments (including ATR) and a microscope, a UV-VIS-NIR spectrophotometer, a fluorescence spectrometer, a spectrometer for dynamic light scattering (DLS), and a Biacore T200 for surface plasmon resonance measurements.

All of our instruments are open access to CSU students and researchers, after having received training by CIF staff. Please register as a new user to schedule training. Instrument time can be scheduled only after training by using the online calendars
For more questions, please contact Dr. Karolien Denef.

Available instruments
  • Nicolet iS-50 FT-IR spectrometer with ATR-ZnSe for thin films, powders and liquids; Harrick Grazing Angle Reflectance Accessory for thin films on metal or semiconductor substrates; Gemini Diffuse Reflectance Accessory for non-reflecting powder materials.
  • Spectra-Tech Continum Microscope to record reflectance and transmission IR of small particles, 10microns or larger.
  • Agilent (Cary) UV-Vis-NIR equipped with VASRA or Variable Angle Specular Reflectance Accessory that is used with thin films at angles from 20 to 70 degrees; Praying Mantis diffuse reflection analysis of solids and powders.
  • Malvern Zetasizer Nano ZS with 633nm ‘red’ laser- for size measurement of particles and molecules (e.g. proteins) dispersed in a liquid (using dynamic light scattering, DLS); zeta-potential of colloids and nano particles for predicting dispersion stability (using electrophoretic light scattering); and the measurement of microrheology of protein and polymer solutions. The high performance of this instrument also enables the measurement of molecular weight of macromolecules.
  • Horiba Jobin-Yvon FluoroLog-3 Spectrofluorometer with 450W Xenon lamp (230-1800nm), excitation and emission spectrometers- High sensitive, modular spectrofluorometer for fluorescence measurements in the 240 to 850nm emission spectral range.
  • Woolam VASE or Variable Angle Spectroscopic Ellipsometer, with 250-1700nm spectral range- used to measure the thickness, refractive index and other optical properties of thin films and multi-layer films.
  • GE Biacore T200, is a high performance system of real-time biomolecular interaction analysis using surface plasmon resonance technology (SPR). Characteristics of biomolecular interactions are measured in terms of specificity, rates (association and dissociation) and affinity (how tightly molecules bind to another molecule).
Location and Contact
CIF Optical Spectroscopy Laboratory
CSU main campus – Chemistry C03 (basement)

Dr. Karolien Denef
Phone: (970) 491-3832
Email: Karolien.Denef@Colostate.edu

Dr. Pat McCurdy
Phone: (970) 491-1876
Email: Patrick.McCurdy@colostate.edu







Useful Information

Click here for more information and links on Optical Spectroscopy