Publications & Whitepapers
Research
BROADSONIC technology is built on a foundation of peer-reviewed research. Explore our publications spanning acoustics, photonics, and applied sensing.
Peer-Reviewed
Publications
Non-Contact Characterization of Plates Using a Turbulent Air-Jet Source and an Ultrasound Microphone
Demonstrates non-contact plate characterization using a turbulent air-jet excitation source paired with an optical ultrasound microphone, relevant to non-destructive testing applications.
Download PDF →Resonant Ultrasound Spectroscopy Detection Using a Non-Contact Ultrasound Microphone
Applies resonant ultrasound spectroscopy using a non-contact optical microphone, enabling material characterization without physical coupling to the test sample.
Download PDF →Characterization of Micro-Scale Gas Leaks Using an Optomechanical Ultrasound Sensor
Demonstrates detection and spatial localization of micro-scale gas leaks using the BROADSONIC optical ultrasonic sensor. Validates ultrasonic leak detection methodology for industrial deployment.
Download PDF →Coupling the Thermal Acoustic Modes of a Bubble to an Optomechanical Sensor
Demonstrates optical detection of individual bubble acoustic modes using Fabry-Perot interferometry. Directly relevant to cavitation monitoring in ultrasonic cleaning applications.
Download PDF →Air-Coupled Ultrasound Using Broadband Shock Waves from Piezoelectric Spark Igniters
Characterizes broadband shock wave generation from piezoelectric spark igniters and their detection using optical ultrasonic sensing. Forms the academic basis for the partial discharge detection demonstration.
Download PDF →Spectroscopy of Substrate Thermal Vibrational Modes Using an Optomechanical Sensor
Characterizes substrate thermal vibrational modes using optomechanical sensing, providing insight into the fundamental mechanical properties measurable with the sensor platform.
Download PDF →Ultrasonic Spectroscopy of Sessile Droplets Coupled to Optomechanical Sensors
Explores ultrasonic spectroscopy of sessile droplets using optomechanical sensor coupling, demonstrating the sensor's capability for precision fluid characterization.
Download PDF →Observation of Thermal Acoustic Modes of a Droplet Coupled to an Optomechanical Sensor
Observes thermal acoustic modes of individual droplets coupled to an optomechanical sensor, demonstrating ultra-sensitive acoustic detection at microscale.
Download PDF →All-Optical, Air-Coupled Ultrasonic Detection of Low-Pressure Gas Leaks and Observation of Jet Tones in the MHz Range
First published demonstration of optical air-coupled ultrasonic gas leak detection. Establishes the fundamental sensing methodology used in BROADSONIC for leak detection applications.
Download PDF →Ultrasound Sensing at Thermomechanical Limits with Optomechanical Buckled-Dome Microcavities
Describes the buckled-dome microcavity sensor architecture that enables BROADSONIC's 0–5 MHz bandwidth and ~100 µPa/√Hz sensitivity. Core technology paper underlying the sensor design.
Download PDF →Application Notes
Whitepapers
Non-Contact Acoustic Characterization of Magnetic Components
Explores the use of BROADSONIC for non-contact acoustic characterization of magnetic components in electrical infrastructure. Demonstrates acoustic signature analysis for condition monitoring of transformers and inductors.
Download PDF →Ultrasonic Gas Leak Detection Using BROADSONIC Optical Ultrasonic Sensing
Comprehensive overview of the BROADSONIC approach to ultrasonic gas leak detection. Covers detection methodology, field deployment considerations, and performance characterization in industrial environments.
Download PDF →Have Questions About Our Research?
We welcome inquiries from researchers and engineers interested in BROADSONIC technology and its applications.