Schematic of the Collinear Catheter Probe (IMAGE) Optica Caption (a) Main components of the probe, (b) assembled catheter probe structure, (c) Zoom-in view of the catheter tip, (d) a photo of the fabricated catheter probe with a diameter of 1.6 mm. Credit Yingchun Cao (Purdue University), Jie Hui (Purdue University), Ayeeshik Kole (Purdue University/Indiana University School of Medicine), Pu Wang (Purdue University), Weibiao Chen (Shanghai Institute of Optics and Fine Mechanics), Micheal Sturek (Purdue University/Indiana University School of Medicine), and Ji-Xin Cheng (Purdue University) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.