Gastroscopy-conjugated photoacoustic and ultrasonic dual-mode imaging for detection of submucosal gastric cancer: <i>in vitro</i> study

Gastroscopy-conjugated photoacoustic and ultrasonic dual-mode imaging for detection of submucosal gastric cancer: in vitro study

Wu Huaqin¹, Song Haiyang¹, Huang Yudian², Li Zhifang¹, Wu Shulian¹, Zhang Xiaoman¹, Li Hui^{1, †}

Spatial resolutions of the photoacoustic and ultrasonic dual-mode imaging system. (a) Photo image of the agar with a hair; (b) PA data of the hair; (c) 2D PA image of the hair; (d) Vertical resolution of the system; (e) Transverse resolution of the system.