FIG. 1.

Schematic of the reflection-mode AR-PAM and OR-PAM systems. A Cartesian coordinate is also shown in the drawing. CL, conical lens; CorL, correction lens; MMF, multimode fiber; Obj, objective; OC, optical condenser; PD, photodiode; RAP, right-angle prism; RhP, rhomboid prism; SMF, single-mode fiber; SO, silicone oil; US, ultrasonic transducer; AR-PAM, acoustic-resolution photoacoustic microscopy; OR-PAM, optical-resolution photoacoustic microscopy. Color images available online at www.liebertonline.com/tec