Author:
Chen Ningbo,Guo Xudong,Tang Huajun,Chen Ji-Xiang,Sharmin Najia,Tong Yitian,Wong Kenneth K. Y.
Abstract
We present an all-optical photoacoustic microscopy with a custom-built superheterodyne interferometer, achieving a 20 MHz demodulation bandwidth and 18 dB signal-to-noise ratio in tungsten wires phantom imaging.