Fig. 1: Design of the prototype Neuropixels Opto probe.
From: Neuropixels Opto: combining high-resolution electrophysiology and optogenetics
a, Cross-section of the Neuropixels Opto probe shank, showing the TiN recording sites (connected with a ‘via’ to the silicon CMOS layer) and the SiN photonic waveguides ending in the emitters (grating couplers). b, Layout of recording sites and dual-color emitters. c, Photos of a probe shank with two red and two blue emitters delivering light in succession. d, Device package. e, Neuropixels Opto system architecture, with PXI modules for data acquisition (white) and light delivery (purple).
