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Photonic Therapeutics and Diagnostics IX
We present optitrode, a miniaturized flexible probe for integrated, localized light delivery and electrical recording. This device features an annular light guide with transparent polymer and fused silica layers surrounding a twistedwire tetrode. We have developed a novel fabrication process, V-groove guided capillary assembly, to achieve highprecision, coaxial alignment of the various layers of the device. Optitrode with a length-to-diameter ratio ∼500 (5 cm long, 100 μm diameter) has beendoi:10.1117/12.2005707 fatcat:rj2vk7mzejcwtgtbje7mpbfzi4