Y-Fi™ NOPA is KMLabs’ compact laser for 2-photon microscopy as well as a variety of other applications in imaging and spectroscopy. Y-Fi NOPA is pumped by Y-Fi HP, whose class-leading pulse duration results in reliable high peak and average power from the Y-Fi NOPA, allowing for versatility in obtaining optimal image quality and depth. The 1035 nm output from Y-Fi HP is also available for imaging and optogenetics applications.