The principles of Hadamard transformation are applied to photoacoustic imaging. The advantages are twofold: reduction of the power density at the sample, and improvement of SNR due to multiplexing advantage. The compatibility of Hadamard with other multiplex transform techniques is discussed.
© 1982 Optical Society of America
Original Manuscript: June 22, 1981
Published: January 1, 1982
H. Coufal, U. Moller, and S. Schneider, "Photoacoustic imaging using the Hadamard transform technique," Appl. Opt. 21, 116-120 (1982)