Heng Guo's second paper has been accepted by Optics Letters. Well done!

Heng Guo has published his second paper, photoacoustic endomicroscopy (PAEM) based on a MEMS scanning mirror, in Optics Letters. This project aims to develop a miniaturized photoacoustic endoscopic probe with ultrahigh spatial resolution. Well done and congratulations to Heng Guo.