@article{851141, author = {Aaron Goldfain and Christopher Yung and Kimberly Briggman and Jeeseong Hwang}, title = {Optical phase contrast imaging for absolute, quantitative measurements of ultrasonic fields with frequencies up to 20MHz}, year = {2021}, number = {149}, month = {2021-06-29 04:06:00}, publisher = {Journal of the Acoustical Society of America}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=931707}, doi = {https://doi.org/10.1121/10.0005431}, language = {en}, }