Fluorescence lifetime imaging with distance and ranging using a miniaturised SPAD system
Andrew B. Matheson,
Charlotte Hopkinson,
Michael G. Tanner
et al.
Abstract:In this work we demonstrate a miniaturised imaging system based around a time-gated SPAD array operating in a “chip-on-tip” manner. Two versions of the system are demonstrated, each measuring 23 mm × 23 mm × 28 mm with differing fields of view and working distances. Initial tests demonstrate contrast between materials in widefield fluorescence imaging (WFLIm) mode, with frame rates of > 2 Hz achievable. Following this, WFLIm images of autofluorescence in ovine lung tissue are obtained at frame rates of ~ 1 … Show more
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