This figure illustrates the result of distributed temperature sensing using a perfluorinated graded-index plastic optical fiber (POF). The top diagram shows the structure of the sensing POF, including ...

Microscopes have long been scientists’ eyes into the unseen, revealing everything from bustling cells to viruses and nanoscale structures. However, even the most powerful optical microscopes have been ...

Researchers have developed a new microscope that can visualize the optical response of surfaces at an unprecedented spatial resolution of one nanometer. This paves the way for optical microscopy of ...

A compact side-viewing fibre probe for endoscopic optical coherence tomography has achieved micrometre-scale resolution across an unprecedented imaging depth, addressing a long-standing trade-off ...

Validation of the LIG Nanowise SMAL lens revealed its ability to resolve features down to 137 nm, demonstrating true ...

Optical percutaneous needle biopsy techniques are revolutionizing tumor diagnostics, enabling real-time analysis and improving the accuracy of tissue sampling.