News

2025

• April
  
• Prof. Chandrahalim receives the IEEE Dayton Section Harrell V. Noble Award in recognition of his significant contributions to the research, development, and application of electronic devices.
  

• March
  
• Prof. Chandrahalim serves as an Editorial Board Member for Advanced Photonics Nexus.
  

• February
  
• Capt Ori Kenig successfully passed his M.S. defense with flying colors. Congratulations!
  
• Prof. Chandrahalim serves as an Editorial Board Member for the Journal of Optical Microsystems.
  
• Prof. Chandrahalim receives the AFIT’s Outstanding Airman of the Year, Civilian Non-supervisory Category IV for 2024.
  

• January
  
• Lars Meier joined our lab to conduct research on the nanomachining of 3D MEMS acoustic and inertial sensors integrated onto optical fiber tips. Welcome to AFIT!
  
• Our work, "Nonlinear damping as the fourth dimension in optical fiber anemometry" has been featured on the back cover of Adv. Sensor Res., 4 (1), 2025.
  

2024

• December
  
• Our work, "Advanced integration of 3D optomechanical sensor microsystems with optical fibers" has been published by IEEE.
  
• Our work, "Self-referencing MEMS resonator with dual mechanical modes for temperature-independent environmental sensing" has been published by IEEE.
  
• Our work, "Harnessing the fourth dimension through nonlinear damping in optical fiber flow sensing" has been published by IEEE.
  

• October
  
• Capt David V. Smith IV has joined our lab to pursue an MS degree. Welcome to AFIT!
  
• Prof. Chandrahalim serves as a Session Chair and delivers three oral presentations at the IEEE Sensors Conference.
  

• September
  
• Lt Samuel Campbell wins the Distinguished Graduate Award! Congratulations!
  
• Our work, "Nonlinear damping as the fourth dimension in optical fiber anemometry" has been published in Advanced Sensor Research.
  
• Prof. Chandrahalim is elected a Fellow of the Institute of Physics (IOP).
  

• August
  
• Lt Samuel Campbell successfully passed his M.S. defense. Congratulations on this achievement!
  
• Prof. Chandrahalim presents his group research on optical and electromechanical microsystems at the AFRL's Materials and Manufacturing Directorate.
  

• July
  
• Prof. Chandrahalim receives top inventor recognition from the Department of the Air Force Technology Transfer & Transition Program. He is selected as one of the top three inventors, reflecting his exceptional innovation and contributions to technological advancements within the Air Force.
  
• Prof. Chandrahalim delivers presentations at the Air Force Sustainment Center Units at Tinker Air Force Base and the 134th Air Refueling Wing at McGhee Tyson Air National Guard Base.
  

• June
  
• Prof. Chandrahalim serves as a Technical Program Committee (TPC) and Session Chair at the Solid-State Sensors, Actuators, and Microsystems (Hilton Head) 2024 Workshop.
  

• March
  
• Our work, "Optofluidic passive parity-time-symmetric systems" has been featured on the front cover of R. Soc. Open Sci., 11 (3), 2024.
  

• February
  
• Prof. Chandrahalim receives the Air Education & Training Command’s 75^th Arthur S. Flemming Award, Applied Science & Engineering Category.
  

• January
  
• Our work, "Optofluidic passive parity-time-symmetric systems" has been published in Royal Society Open Science.
  

2023

• December
  
• Capt Ori Kenig has joined our lab to pursue an MS degree. Welcome to AFIT!
  

• November
  
• Our work, "Impact of silicon ion irradiation on aluminum nitride-transduced microelectromechanical resonators" has been featured on the front cover of Adv. Mater. Interfaces, 10 (32), 2023.
  

• October
  
• Our work on nondestructive strain sensors utilizing quantum dots was recognized by IEEE Spectrum magazine, following the award of the 2023 Nobel Prize in Chemistry for advances in quantum dots.
  
• The success stories of our patents pertaining to the 3D nanomachining of complex microstructures on optical fiber tips have been prominently featured on the official website of the United States Department of Defense.
  

• September
  
• Lt Col David Lynes gives two presentations at the 61^st IEEE International Ultrasonics Symposium (IUS) 2023.
  
• Prof. Chandrahalim is elected a Fellow of the Institution of Engineering and Technology (IET).
  

• August
  
• Our work, "Impact of silicon ion irradiation on aluminum nitride-transduced microelectromechanical resonators" has been published in Advanced Materials Interfaces and selected as the 'Editor's Choice' of the issue.
  

• July
  
• Dr. Chandrahalim is promoted to Associate Professor of Electrical Engineering with tenure.
  
• Our work, "Effects of gamma ray radiation on the performance of microelectromechanical resonators" has been featured on the inside back cover of Adv. Eng. Mater., 25 (14), 2023.
  

• June
  
• Lt Col David Lynes gives a presentation at the 66^th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN) 2023.
  
• Dr. Chandrahalim gives a presentation on integrated microsystems at the AFWERX-USAFA-AFIT kick-off meeting, Air Force Institute of Technology, Wright-Patterson AFB.
  
• Mr. Ethan Doerstling from Cedarville University has joined our lab (co-advised with Dr. Juan Manfredi (AFIT/ENP)) to pursue an MS degree. Welcome to AFIT!
  

• May
  
• Our work, "Effects of gamma ray radiation on the performance of microelectromechanical resonators" has been published in Advanced Engineering Materials.
  
• Dr. Chandrahalim and Capt Kyle T. Bodily are granted the U.S. Patent No. US11,650,370B2 [May 16, 2023].
  
• Dr. Chandrahalim receives the Air Education and Training Command’s Outstanding Airman of the Year, Civilian Supervisory Category IV for 2022.
  
• Dr. Franck Assogba Onanga gives a research seminar on non-Hermitian parity-time symmetry in optics at AFRL.
  

• April
  
• Capt Jeremiah Williams and Dr. Chandrahalim are granted the U.S. Patent No. US11,635,315B2 [April 25, 2023].
  
• Dr. Chandrahalim receives the IEEE Dayton Section Photonics Society Award.
  
• Dr. Chandrahalim receives the Air University’s Outstanding Airman of the Year, Civilian Supervisory Category IV for 2022.
  

• March
  
• Lt Col David Lynes received a doctoral degree in Electrical Engineering. Congratulations!
  
• Our work, "Influence of a tailored oxide interface on the quality factor of microelectromechanical resonators" has been featured on the front cover of Adv. Mater. Interfaces, 10 (9), 2023.
  
• Dr. Chandrahalim receives the AFIT’s Outstanding Airman of the Year, Civilian Supervisory Category IV for 2022.
  

• February
  
• Lt Col David Lynes successfully defended his doctoral dissertation. Congratulations!
  
• Our work, "Influence of a tailored oxide interface on the quality factor of microelectromechanical resonators" has been published in Advanced Materials Interfaces.
  

• January
  
• The Electrical Engineering Laboratory Technicians and Faculty Researchers Team: Dr. Chandrahalim, Mr. Adam Fritzche, Ms. Angela Hayden, Mr. Michael Hill, Dr. Julie Jackson, and Maj. Matthew Vincie won the AFIT Graduate School of Engineering & Management 2022 4^th Quarter Team Award.
  

2022

• December
  
• Our work, "Two-photon machining of sensors on fiber tips" has been selected as one of the top 30 breakthrough stories in optics in 2022 by Optics & Photonics News.
  
• Our work, "Three-dimensional Fabry–Pérot cavities sculpted on fiber tips using a multiphoton polymerization process" has been published in Handbook of Scholarly Publications from the Air Force Institute of Technology (AFIT), CRC Press.
  
• Our work, "On-chip silicon photonic controllable 2 x 2 four-mode waveguide switch" has been published in Handbook of Scholarly Publications from the Air Force Institute of Technology (AFIT), CRC Press.
  
• Our work on multiphoton sculpting of optical resonant and non-resonant microsensors has been reported in the Research Outreach Magazine: Manufacturing on the nanoscale: Optomechanical sensors with multiphoton polymerization.
  

• November
  
• Our work on fiber sensors with complex moving parts has been reported in the Nanoscribe News: 3D-printed fiber sensors with complex moving parts.
  
• Lt Samuel Campbell from the University of Minnesota joins our lab to pursue an MS degree.
  

• October
  
• Our work on two-photon nanomachining of mechanically assisted optical cavity sensors has been reported in the Research Outreach Magazine : Two-photon polymerization for advanced sensor manufacturing.
  
• Dr. Chandrahalim receives the 2022 Society of Asian Scientists and Engineers (SASE) Professional Achievement Award.
  

• September
  
• Lt Col David Lynes and Dr. Chandrahalim give presentations at the International Conference on Micro and Nano Engineering (MNE)/Eurosensors.
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) and Session Chair for the Optics & Photonics Session at the International Conference on Micro and Nano Engineering (MNE)/Eurosensors.
  

• August
  
• Our work, "A statistical method to optimize the chemical etching process of zinc oxide thin films" has been published in Royal Society Open Science.
  

• July
  
• Our work, titled “A microturbine flow sensor created on an optical fiber tip Using a multiphoton nanomachining process,” is recognized as one of the top 20 best contributed papers at the OPTICA Optical Sensors & Sensing Congress.
  
• Dr. Chandrahalim gives two presentations at the Optical Sensors and Sensing Congress.
  
• Our work, "Two-photon nanomachining of a micromechanically enhanced optical cavity sensor on an optical fiber tip" has been featured on the inside front cover of Adv. Photonics Res., 3 (7), 2022.
  

• June
  
• Our work on liquid crystal optoacoustic sensors has been reported in the TechLink News: Air Force scientists develop liquid crystal optoacoustic sensors, non-contact testing applications.
  
• Dr. Chandrahalim and Capt Michael Dela Cruz are granted the U.S. Patent No. US11,366,054B2 [June 21, 2022].
  
• Dr. Chandrahalim gives a presentation at the AFOSR 2022 Organic Materials Chemistry Program Review.
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) and Session Chair for the High-Figure of Merit Resonators Session at the Solid-State Sensors, Actuators, and Microsystems (Hilton Head) 2022 Workshop.
  
• Dr. Chandrahalim gives a presentation at the 65^th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN) 2022.
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) and Session Chair for the Imaging and Characterization Session at the 65^th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN) 2022.
  

• May
  
• Dr. Chandrahalim receives the AFIT Chancellor's 2021 Innovation Excellence Award.
  
• Dr. Chandrahalim and Lt Jeremiah Williams are granted the U.S. Patent No. US11,326,970B2 [May 10, 2022].
  
• Our work, "Multiphoton nanosculpting of optical resonant and non-resonant microsensors on fiber tips" has been featured on the supplementary cover of ACS Appl. Mater. Interfaces, 14 (17), 2022.
  
• Dr. Chandrahalim and Lt Jeremiah Williams are granted the U.S. Patent No. US11,320,596B2 [May 03, 2022].
  

• April
  
• Maj David Lynes wins the AFIT/ENG Winter 2022 Quarter Student Award. Congratulations!
  
• Our work, "Multiphoton nanosculpting of optical resonant and non-resonant microsensors on fiber tips" has been published in ACS Applied Materials & Interfaces.
  
• Our work, "Two-photon nanomachining of a micromechanically enhanced optical cavity sensor on an optical fiber tip" has been published in Advanced Photonics Research (Wiley-VCH GmbH.).
  

• March
  
• Dr. Chandrahalim and Lt Jeremiah Williams are granted the U.S. Patent No. US11,287,575B2 [March 29, 2022].
  

2021

• December
  
• Dr. Chandrahalim and Capt Jonathan Smith are granted the U.S. Patent No. US11,204,468B2 [December 21, 2021].
  
• Dr. Chandrahalim and Lt Samuel DeWhitt give a presentation at the Advanced Sensor Components Branch, Air Force Research Laboratory, Wright-Patterson AFB, Ohio.
  

• November
  
• Our work on the fiber tip microscopic anemometer has been reported in the TechLink News: US Air Force builds microscopic anemometer, just 75 microns.
  
• Dr. Chandrahalim gives a presentation at the AFOSR 2021 Physics of Sensing Program Review.
  

• October
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) and Track Chair for the Optical Sensors Track at the IEEE Sensors 2021 Conference.
  
• Our work on the application of quantum dot technology for simplifying vehicle and structural surface inspections has been reported in the Fall edition of the Professional Military Logistics Journal: Novel quantum dot technology shows promise in simplifying vehicle and structural surface inspections.
  
• Dr. Chandrahalim serves as an Editorial Board Member for Royal Society Open Science.
  
• Maj David Lynes advances to candidacy. Congratulations!
  
• Our work on a method of making passive microscopic Fabry–Pérot Interferometer (FPI) sensor has been reported in the TechLink News: Method of making temperature-immune self-referencing Fabry–Pérot cavity sensors.
  
• Dr. Chandrahalim and Capt Jonathan Smith are granted the U.S. Patent No. US11,156,782B2 [October 26, 2021].
  

• September
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) member for the 47^th International Conference on Micro and Nano Engineering (MNE).
  

• August
  
• Dr. Chandrahalim receives the Strategic Ohio Council for Higher Education (SOCHE) Faculty Excellence Award.
  
• Dr. Chandrahalim gives an invited talk at the IEEE Research and Applications of Photonics in Defense Conference (RAPID) 2021 Conference.
  

• July
  
• Dr. Chandrahalim is named an Optica Senior Member.
  
• Our work on using colloidal quantum dots for the next generation of optical deformation sensors has been reported in The Military Engineer: Simplifying surface inspections with quantum dot technology.
  
• Mr. Cody Brown from Washington State University joins our lab as a Research Associate.
  

• June
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) member for the IEEE Transducers 2021 Conference.
  
• Dr. Chandrahalim gives a presentation at the AFOSR 2021 Organic Materials Chemistry Program Review.
  

• May
  
• Capt Karanvir Singh successfully defended his MS thesis. Congratulations!
  
• Capt Kyle Bodily successfully defended his MS thesis. Congratulations!
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) member for the 64^th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN).
  

• March
  
• Our work on a passive microscopic Fabry–Pérot Interferometer (FPI) sensor on an optical fiber tip has been reported in the TechLink News: Passive microscopic Fabry–Pérot interferometer sensor.
  
• Dr. Chandrahalim and Capt Jonathan Smith are granted the U.S. Patent No. US10,942,313B2 [March 09, 2021].
  

• February
  
• Lt Israel Dunk successfully defended his MS thesis. Congratulations!
  
• Dr. Franck Assogba-Onanga and Dr. Chandrahalim receive the National Academies of Sciences, Engineering, and Medicine’s Research Fellowship.
  

• January
  
• Lt Jeremiah Williams gives an oral presentation at the IEEE International Conference on Micro Electro Mechanical Systems (MEMS) Conference.
  
• Dr. Chandrahalim receives the AFIT Graduate School of Engineering and Management Dean’s Distinguished Teaching Professors Award.
  
• Our collaborative work with Posts and Telecommunications Institute of Technology and University of Michigan on silicon photonic controllable four-mode waveguide switch is published in Scientific Reports.
  

2020

• December
  
• Our journal article, Three-dimensional Fabry–Pérot cavities sculpted on fiber tips using a multiphoton polymerization process has been selected as one of the '2020 Highlight' articles by IOP Science.
  

• November
  
• Our work on quantum dots paint for airframe inspection has been reported in IEEE Spectrum: Quantum dot paint could make airframe inspection quick and easy.
  
• Lt Col Edward Hurd advances to candidacy. Congratulations!
  

• October
  
• Our work, "Three-dimensional Fabry–Pérot cavities sculpted on fiber tips using a multiphoton polymerization process" has been published in Journal of Micromechanics and Microengineering.
  
• Lt Jeremiah Williams gives two oral presentations at the IEEE Sensors Conference.
  
• Lt Israel Dunk gives a poster presentation at the IEEE Sensors Conference.
  
• Lt Michael Sherburne gives a poster presentation at the IEEE Sensors Conference.
  
• Our work on a quantum material-based diagnostic paint to sense problems before structural failure has been reported in Nanotechnology Now: A quantum material-based diagnostic paint to sense problems before structural failure.
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) and Track Chair for the Optical Sensors Track in the IEEE Sensors 2020 Conference.
  

• September
  
• Our work, "Comprehensive optical strain sensing through the use of colloidal quantum dots" has been published in ACS Applied Materials & Interfaces.
  
• Lt Samuel DeWhitt joins our lab to pursue an MS degree.
  

• August
  
• Lt Michael Sherburne and AFIT team has been selected as one of the top-two finalists in the Air Force Materiel Command’s 2020 MAJCOM Spark Tank competition. Congratulations!
  

• July
  
• Dr. Chandrahalim gives a presentation at the AFOSR 2020 Physics of Sensing Program Review.
  
• Mr. Justin Brown from Washington State University joins our lab as a Research Associate.
  

• May
  
• Capt Jonathan Smith gives an oral presentation at the Conference on Lasers and Electro-Optics (CLEO).
  
• Capt Michael Dela Cruz gives an oral presentation at the Conference on Lasers and Electro-Optics (CLEO).
  

• March
  
• Dr. Franck Assogba-Onanga from IUPUI joins our lab as an NRC Postdoctoral Fellow.
  

• February
  
• Dr. Franck Assogba-Onanga and Dr. Chandrahalim receive the National Academies of Sciences, Engineering, and Medicine’s Research Fellowship.
  
• Lt Jeremiah Williams successfully defended his MS thesis. Congratulations!
  
• Lt Michael Sherburne successfully defended his MS thesis. Congratulations!
  

2019

• September
  
• Dr. Chandrahalim gives an invited talk at the U.S. Army Research Laboratory, Adelphi, Maryland.
  
• Dr. Chandrahalim gives an invited talk at the Department of Physics, Indiana University- Purdue University (IUPUI), Indianapolis, Indiana.
  
• Maj David Lynes joins our lab to pursue a doctoral degree.
  
• Maj Jonathon Campbell joins our lab to pursue a doctoral degree.
  
• Lt Karanvir Singh joins our lab to pursue an MS degree.
  
• Lt Kyle Bodily joins our lab to pursue an MS degree.
  
• Lt Israel Dunk joins our lab to pursue an MS degree.
  

• July
  
• Dr. Chandrahalim serves as the General Chair for Foundation of Nonlinear Optics 2019 (FoNLO’19) Conference.
  

• June
  
• Capt Jonathan Smith gives an oral presentation at the IEEE Transducers 2019 – EUROSENSORS XXXIII Conference.
  
• Dr. Chandrahalim serves as a Technical Program Committee (TPC) member for the IEEE Transducers 2019 – EUROSENSORS XXXIII Conference.
  
• Dr. Chandrahalim serves as a Session Chair for the 2019 AFOSR Program Review in Organic Material Chemistry.
  

• May
  
• Ms. Christina Scott from the University of Dayton joins our lab as a Research Associate.
  

• April
  
• Capt Dela Cruz’s work on liquid crystalline optoacoustic sensors is selected as one of the IEEE NEMS 2019 Best Student Paper Finalists. Congratulations!
  
• Dr. Chandrahalim gives two presentations at the IEEE NEMS 2019 Conference.
  

• February
  
• Capt Jonathan Smith successfully defended his MS thesis. Congratulations!
  
• Capt Michael Dela Cruz successfully defended his MS thesis. Congratulations!
  

• January
  
• Our collaborative work with Jinan University and Kyushu University on quantum dots microcavity lasers in a molecularly engineered annular groove has been published in Optics Letters.