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Towards Traceable Transient Pressure Metrology



Douglas A. Olson, Haijun Liu, Zeeshan Ahmed, Kevin O. Douglass


Here we detail our progress in developing the infrastructure for traceable transient measurements of pressure and temperature. Towards that end, we have built and characterized a dual diaphragm shock tube that allows us to achieve shock amplitude reproducibility of 2.3%. In this proof-of-concept study we use our shock tube to characterize the dynamic response of photonic sensors embedded in polydimethylsiloxane (PDMS), a material of choice for soft tissue phantoms. Our results indicate the PDMS embedded photonic sensors response to shock evolves over tens to hundreds of microsecond time scale making it a useful system for studying transient pressures in soft tissue.


shock tube, dynamic measurements of pressure, dynamic metrology


Olson, D. , Liu, H. , Ahmed, Z. and Douglass, K. (2018), Towards Traceable Transient Pressure Metrology, Metrologia, [online], (Accessed May 29, 2024)


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Created March 12, 2018, Updated October 12, 2021