This event will now be held in Hutchison Hall in the Hubbell Auditorium. See below for further details.
Optical Surface Metrology and Automated Scratch/Dig Inspection with DIOPTIC's Computer Generated Holograms and ARGOS matrix
Katie Dunn, PhD
Abstract
Optical surface metrology and defect inspection are critical for quality assurance during the manufacturing of optical components. For surface metrology, computer generated holograms are commonly used in interferometric testing but require complex alignment processes. Diffractive Fizeau Null Lenses (DFNL's) create the reference beam and a perpendicular object wavefront in a single element, removing the need for a reference sphere. DFNL's mount directly to commercial interferometers and use integrated alignment features to simplify the alignment process. For surface defect inspection, the subjectivity of manual-visual inspection results and shortages of skilled optical technicians have prompted increased demand for automated scratch/dig inspection. The ARGOS matrix conducts automated batch inspection of optical elements according to ISO 10110-7 and outputs detailed inspection reports for each element. Dark-field imaging combined with image processing algorithms are used to automatically quantify surface defects. Both DFNL's for simple alignment and the ARGOS matrix for automated defect inspection provide accurate inspection results while reducing hands-on technician time, therefore reducing costs for optical manufacturers.
About the speaker
Kaitlin Dunn (Katie) is the US Branch Manager and a Senior Optical Engineer at DIOPTIC, a German optics company specializing in custom inspection and metrology solutions. Katie is based in Rochester, NY, where she conducts both technical and business development for DIOPTIC's ARGOS matrix for automated surface defect inspection. Katie received her PhD in Optics from the University of Rochester's Institute of Optics in 2023 and was the recipient of a National Science Foundation Graduate Research Fellowship. She earned her B.S. in Electrical Engineering and Physics from Clarkson University in 2017.
Parking and location
The talk will be held in R̶o̶o̶m̶ 1̶0̶9̶ o̶f̶ G̶o̶e̶r̶g̶e̶n̶ H̶a̶l̶l̶ the Hubbell Auditorium in Hutchison Hall(Institute of Optics, 480 Intercampus Drive). Please see the below graphic for guidance:
If entering from the quad side, there is a set of stairs/elevators on the left. Go down one flight of stairs, turn left, and it will be straight ahead.
Parking is available in the lot across the street in Intercampus Drive Lot, and is free for talk attendees (no pass needed).
There will not be a pre-talk dinner for this event
