Optical Ultrasound Generation and Detection for Intravascular Imaging: A Review

Figure 7

Examples of two main configurations of conventional IVPA catheters. (a) Ultrasound and laser beams overlap at the target position. (b) Collinear design allows both light and ultrasound propagation share the same path. Reproduced with permission from [13] for (a), Copyright 2010, AIP Publishing, and from [11] for (b), Copyright 2014, Springer Nature.

(a)

(b)