Fig. 1: Schematic illustration of the micro-rocket robot with all-optic actuating and tracking carried out in the blood. | Light: Science & Applications

Fig. 1: Schematic illustration of the micro-rocket robot with all-optic actuating and tracking carried out in the blood.

From: Micro-rocket robot with all-optic actuating and tracking in blood

Fig. 1

The micro-rocket is actuated by a near-infrared continuous wave (CW) laser to realize forward motion in the blood vessel. An 8-kHz 50-nJ pulse laser with a wavelength of 532 nm is used for photoacoustic imaging. The rocket’s attitude and position can be observed with a lateral resolution of 3.2 µm based on an optical-resolution photoacoustic system. Amp amplifier, DAQ data acquisition, UST ultrasound transducer

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