OpenOptogenetics.org is showcasing a research paper by University of Utah faculty Tanya Abaya, Steve Blair, Prashant Tathireddy, Loren Rieth, and Florian Solzbacher.

From the openoptogenetics.org website:

In a recent paper published in Biomedical Optics Express, Abaya, et al. presented a novel device structure that facilitates three-dimensional deep-tissue light penetration with capabilities for simultaneous spatiotemporal modulation with different wavelengths.

You can find the original article at Optics InfoBase.