Handheld Fiber Optic Probe (IMAGE) Optica Caption A newly developed handheld fiber optic probe can perform multiple microscopy techniques without the need for tissue staining. The compact probe represents an important step toward endoscopic cancer diagnosis. Credit Jürgen Popp, Leibniz Institute of Photonic Technology Jena and Institute of Physical Chemistry, Friedrich-Schiller University Jena 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.