Dynamic Mechanical Metrology Publications and Patents

Publications

Vibration Calibration

• Low-Frequency Calibration of Accelerometers by Rotation in the Gravitational Field at NIST (2026)
• Optical Characterization of Parasitic Motion in a Long-Stroke Shaker (2024)
• Measurement of Dynamic Rocking in Sinusoidal Calibration with an Electrodynamic Shaker (2022)
• Characterization of laser Doppler vibrometers using acousto-optic (2020)
• Improvements in Accelerometer Calibration at NIST Using Digital Vibrometry (2017)

Optomechanical Accelerometer

• High accuracy, high dynamic range optomechanical accelerometry enabled by direct comb spectroscopy (2023)
• Intrinsically accurate sensing with an optomechanical accelerometer (2022)

Electrooptic Readout

• Low-power, agile electro-optic frequency comb spectrometer for integrated sensors (2024)
• GPU-enabled real-time optical frequency comb spectroscopy and a photonic readout
• Single-modulator, direct frequency comb spectroscopy via serrodyne modulation (2023)
• High dynamic range electro-optic dual-comb interrogation of optomechanical sensors
• Electro-optic frequency combs for rapid interrogation in cavity optomechanics (2021)
• Electro-optic frequency combs generated via direct digital synthesis applied to sub-Doppler (2019)

Acoustic Measurements

• Primary Sound Standard Based on Dynamic Fabry Perot Interferometry (2023)
• Laser-based comparison calibration of laboratory standard microphones (2021)
• The peak height insertion gain (PHIG) method for quantifying acoustic feedback in hearing aids (2021)
• Pressure reciprocity calibrations of laboratory standard microphones at the National Institute of Standards and Technology (2018)
• NIST System for Measuring the Directivity Index of Hearing Aids under Simulated Real-Ear Conditions (2013)
• New Measurement Service for Determining Pressure Sensitivity of Type LS2aP Microphones by the Reciprocity Method (2011)
• Pressure reciprocity calibration of a MEMS microphone (2017)
• Long-Term Stability of One-Inch Condenser Microphones Calibrated at the National Institute of Standards and Technology (2015)

Dynamic Force

• Inertia in Kibble-Principle Dynamic Force Measurements (accepted for publication)
• Dynamic Calibration of Instrumented Charpy Strikers (2024)
• Progress Towards the Kibble Dynamic Force Reference (2024)
• An aerodynamic metrologist's guide to dynamic force measurement (2022)
• Investigations on SI-Traceable Dynamic Calibration of Instrumented Charpy Strikers; Activities performed at NIST in FY2019 (2020)
• Error quantification in dynamic applications of weakly nonlinear transducers (2020)
• Design Considerations to Improve Charpy Instrumented Strikers (2020)
• Investigations on SI-Traceable Dynamic Calibration of Instrumented Charpy Strikers (2018)
• Generalized source-conditions and uncertainty bounds for deconvolution problems (2018)
• Traceable Calibration and Demonstration of a Portable Dynamic Force Transfer Standard (2017)
• Traceable Dynamic Calibration of Force Transducers by Primary Means (2016)
• Primary Sinusoidal Calibration of Force Transducers up to 2 Kilohertz (2015)
• Elasticity of Mass Artifacts in Sinusoidal Force Calibration (2015)

Multi-axis Accelerometers

• Calibration of triaxial accelerometers by constant rotation in the gravitational field (2021)
• Type A uncertainty analysis validation of type B analysis for three-axis accelerometer calibrations
• Type B uncertainty analysis of gravity-based determinations of triaxial-accelerometer properties by simulation of measurement errors (2022)
• Reduction of calibration uncertainty due to mounting of 3-axis accelerometers using the intrinsic properties model (2021)
• Gravity-based characterization of three-axis MEMS-accelerometers in terms of intrinsic accelerometer parameters (2017)
• Analysis and protocol for characterizing intrinsic properties of three-axis MEMS accelerometers using a gimbal rotated in the gravitational field (2017)

Patents

• Patent US 12,631,476 B2. May 19, 2026. Optical Sensor Readout and Interrogating an Optical Sensor (D. A. Long, J. J. Gorman, T. W. LeBrun, B. J. Reschovsky)
• Patent US 12,222,239 for CALIBRATION APPARATUS AND CALIBRATING A LASER DOPPLER VIBROMETER (Gaitan, Reschovsky, Chijioke)
• Patent US 11,956,601B2 “INTERFEROMETRIC MICROPHONE CALIBRATOR AND COMPARISON CALIBRATING A MICROPHONE” (Allen, Wagner)
• Dynamic Force Contactor, Providing a Dynamic Force, and Calibrating a Force Sensor to be Traceable to the International System of Unit