Simpson Laboratory for Nonlinear Optics
Development and application of nonlinear optical instrumentation for studies of interfaces and chiral crystals.
Research Haikus
- Photothermal view. Fluorescence tells the tale. Bond vibrations.
- Image integrating. Data floods, algorithms. Chemistry revealed.
- Dynamic bleaching. Comb patterning enables. Diffusion mapping.
- New spectroscopy. Chiral, surface-selective. Electric dipole.
Recent Publications
120. “Theoretical Foundation for Interface-Specific Hyper-Rayleigh Scattering in Uniaxial Chiral Assemblies”
119. “Dark-Field Absorbance Circular Dichroism of Oriented Chiral Thin Films”
118. “Diffusion and Exchange Kinetics of Microparticle Formulations by Spatial Fourier Transform Fluorescence Recovery after Photobleaching with Patterned Illumination”
117. “Diffusion Mapping with Diffractive Optical Elements for Periodically Patterned Photobleaching”
116. “Theoretical basis for interpreting heterodyne chirality-selective sum frequency generation spectra of water.”
Latest News
August 12, 2025
Two of our group members, Gwendylan Turner and Caitlin Dunlap, gave invited talks at the Advanced Light Source User Meeting in Berkeley, CA on innovations in mid-infrared photothermal microscopy!
August 8, 2025
Farewell to our summer undergraduate research student Katrina Sumarli (Hillsdale College). We wish you the best of luck in your last year in college!
July 22, 2025
Welcome to our visiting scholar Fabian Schmidt from Ruhr-Universität Bochum, Germany!
July 30, 2025
Congratulations to Declan for a fantastic poster presentation at the Purdue University Undergraduate Research Conference on the “Origins of Second Harmonic Generation Circular Dichroism Intensity Difference (SHG-CD) Microscopy”.