News
UI researchers work to develop hydrogen sensors, improve infrared imaging
                  Friday, October 10, 2025
                
                                                                    
                                                In this work we examined how microstructures made from silicon carbide can be used to develop sensors that improve safety in industrial settings and create more effective thermal imaging technologies.
      
    
  
      
                        
Work on non-destructive spectroscopy of Si nanowires published
                  Wednesday, November 20, 2024
                
                                                                    
                                                This paper showed that silicon nanowires fabricated through metal-assisted chemical etching can be characterized using FTIR spectroscopy. Crucially, we show that effective medium models allow us to predict the density of nanowire filling and detect nanometer-thick coatings of oxides. This could act as a versatile platform for infrared spectroscopy.
      
    
  
      
                        
Herky at the Microscale
                  Tuesday, November 19, 2024
                
                                                                    
                                                Showing our Hawkeye spirit through microfabrication!
      
    
  
      
                        
New paper 'Lifetime and Molecular Coupling in Surface Phonon Polariton Resonators'
                  Friday, May 10, 2024
                
                                                                    
                                                In this paper, we uncover how the properties of SPhP modes offer some challenges for surface-enhanced sensors. To do so we develop numerical models for understanding both the lifetime and frequency of resonances in silicon carbide resonators. Our results reveal a comparatively narrow range in the center of the Reststrahlen band offers the best candidate spectral range for enhanced sensing.
      
    
  
      
                        
Sid presents honors thesis
                  Friday, June 16, 2023
                
                                                                    
                                                Congratulations to Sid, who graduated with honors on research performed in our lab.
      
    
  
      
                        
New ONR award to studying GaN using infrared spectroscopy
                  Friday, June 16, 2023
                
                                                                    
                                                In this program we will understand the properties of defects and dopants in vertical GaN power electronics
      
    
  
      
                        
NSF Career - CAREER: Photonics in the Lowest Symmetry Crystals
                  Tuesday, March 21, 2023
                
                                                                    
                                                In this project PI Folland will determine how certain classes of crystals can be used to control both direction, and orientation of light waves.
      
    
  
      
                        
Tristan and Sid present at SURF 2022
                  Thursday, March 31, 2022
                
                                                                    
                                                This past wednesday both Tristan and Sid presented at the University of Iowa Spring Undergraduate Research Festival, on their work which is being performed as part of their shared ICRU fellowship. Congratulations on a great presentation!
      
    
  
      
                        
Perspective on anisotropy in nanophotonics published in ACS Photonics
                  Thursday, March 17, 2022
                
                                                                    
                                                Publication reviews the possibilities for low symmetry materials for next generation nanophotonics.
      
    
  
      
                        
Perspective on new concepts for infrared optoelectronics
                  Wednesday, February 23, 2022
                
                                                                    
                                                Here we discuss how a new generation of infrared optoelectronics could be realized leveraging surface phonon polaritons.
      
    
  
      
                        Pagination