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Full spectrum fluorescence lifetime imaging with 0.5 nm spectral and 50 ps temporal resolution.


ABSTRACT: The use of optical techniques to interrogate wide ranging samples from semiconductors to biological tissue for rapid analysis and diagnostics has gained wide adoption over the past decades. The desire to collect ever more spatially, spectrally and temporally detailed optical signatures for sample characterization has specifically driven a sharp rise in new optical microscopy technologies. Here we present a high-speed optical scanning microscope capable of capturing time resolved images across 512 spectral and 32 time channels in a single acquisition with the potential for ~0.2 frames per second (256 × 256 image pixels). Each pixel in the resulting images contains a detailed data cube for the study of diverse time resolved light driven phenomena. This is enabled by integration of system control electronics and on-chip processing which overcomes the challenges presented by high data volume and low imaging speed, often bottlenecks in previous systems.

SUBMITTER: Williams GOS 

PROVIDER: S-EPMC8595732 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature

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Full spectrum fluorescence lifetime imaging with 0.5 nm spectral and 50 ps temporal resolution.

Williams Gareth O S GOS   Williams Elvira E   Finlayson Neil N   Erdogan Ahmet T AT   Wang Qiang Q   Fernandes Susan S   Akram Ahsan R AR   Dhaliwal Kev K   Henderson Robert K RK   Girkin John M JM   Bradley Mark M  

Nature communications 20211116 1


The use of optical techniques to interrogate wide ranging samples from semiconductors to biological tissue for rapid analysis and diagnostics has gained wide adoption over the past decades. The desire to collect ever more spatially, spectrally and temporally detailed optical signatures for sample characterization has specifically driven a sharp rise in new optical microscopy technologies. Here we present a high-speed optical scanning microscope capable of capturing time resolved images across 51  ...[more]

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