Experimental setup (IMAGE) Optica Caption The experimental setup included a single high-speed camera, two Xenon lamps and a series of fiber bundles. This equipment is all relatively affordable compared to more complex and specialized equipment, such as lasers, used in other techniques. Credit Qingchun Lei, Northwestern Polytechnic University Usage Restrictions None License Original 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.