Photoacoustic microscopy for real-time monitoring of near-infrared optical absorbers inside biological tissue.

"Disclosures: M.I. has a contract research entity with Yokogawa Electric Corporation and Sigma Koki Co., Ltd."

"The authors thank H. Sangu (Yokogawa Electric Corporation) for his essential advice regarding this research and A. Shito, Y. Inoue, and Y. Tabata (SigmaKoki Co., LTD) for their assistance with the optical design. This work was supported by a Grant-in-Aid for Scientific Research on Innovative Areas “Singularity Biology (No. 8007)” (Grant Nos. 21H00445 to MI and 19H05436 to MI) of MEXT, a JSPS KAKENHI (Grant Nos. 19K12856 to TH and MI, 22K12856 to TH and MI, and 23H03729 to MI). Defense Medicine Basic Research Program (A) for MI and TH, and Defense Medicine Basic Research Program (C) for TH. An earlier version of this research was published in a previous SPIE conference proceeding.48"