Compact Hyperspectral Camera using Angle-sensitive Plasmonic Structures

This work reports the first demonstration of plasmonic hyperspectral camera by using an active plasmonic tunable filter (APTF) consisting of ultrathin angle-sensitive nanostructures and compact bimorph actuator. APTF clearly exhibits continuous peak shifting from 800 nm to 1000 nm depending on voltages with 1.0 - 3.0 V. Then, fully packaged with compact B/W camera which accomplished the compact plasmonic hyperspectral camera (PHC) with total size of 16 x 16 x 28 mm. Finally, hyperspectral imaging was demonstrated using the PHC so that the featured spectrum of fruits and hand vein was successfully reconstructed.

Automated summary

This work presents the first demonstration of a plasmonic hyperspectral camera using an active plasmonic tunable filter, showing continuous peak shifting depending on voltages. The compact plasmonic hyperspectral camera, combined with a B/W camera, was fully packaged with a total size of 16 x 16 x 28 mm. Hyperspectral imaging was successfully demonstrated using this camera, reconstructing the featured spectrum of fruits and hand vein.