We demonstrate an ultra-compact short-wave infrared[SWIR]multispectral detector chip by monolithically integrating the narrowband Fabry–Perot microcavities array with the In Ga As detector focal plane array.A 16-chan...We demonstrate an ultra-compact short-wave infrared[SWIR]multispectral detector chip by monolithically integrating the narrowband Fabry–Perot microcavities array with the In Ga As detector focal plane array.A 16-channel SWIR multispectral detector has been fabricated for demonstration.Sixteen different narrowband response spectra are acquired on a 64×64 pixels detector chip by four times combinatorial etching processes.The peak of the response spectra varies from1450 to 1666 nm with full width at half-maximum of 24 nm on average.The size of the SWIR multispectral detection system is remarkably reduced to a 2 mm^(2) detector chip.展开更多
Structural colors are colors generated by the interaction between incident light and nanostructures.Structural colors have been studied for decades due to their promising advantages of long-term stability and environm...Structural colors are colors generated by the interaction between incident light and nanostructures.Structural colors have been studied for decades due to their promising advantages of long-term stability and environmentally friendly properties compared with conventional pigments and dyes.Previous studies have demonstrated many artificial structural colors inspired by naturally generated colors from plants and animals.Moreover,many strategies consisting of different principles have been reported to achieve dynamically tunable structural colors.Furthermore,the artificial structural colors can have multiple functions besides decoration,such as absorbing solar energy,anti-counterfeiting,and information encryption.In the present work,we reviewed the typical artificial structural colors generated by multilayer films,photonic crystals,and metasurfaces according to the type of structures,and discussed the approaches to achieve dynamically tunable structural colors.展开更多
基金supported by the National Natural Science Foundation of China(NSFC)(No.11874376)Shanghai Science and Technology Foundations(Nos.19DZ2293400 and 19ZR1465900)+1 种基金Shanghai Municipal Science and Technology Major Project(No.2019SHZDZX01)Chinese Academy of Sciences President’s International Fellowship Initiative(No.2021PT0007)。
文摘We demonstrate an ultra-compact short-wave infrared[SWIR]multispectral detector chip by monolithically integrating the narrowband Fabry–Perot microcavities array with the In Ga As detector focal plane array.A 16-channel SWIR multispectral detector has been fabricated for demonstration.Sixteen different narrowband response spectra are acquired on a 64×64 pixels detector chip by four times combinatorial etching processes.The peak of the response spectra varies from1450 to 1666 nm with full width at half-maximum of 24 nm on average.The size of the SWIR multispectral detection system is remarkably reduced to a 2 mm^(2) detector chip.
基金This work was funded by the National Natural Science Foundation of China(NSFC)(11874376),Shanghai Science and Technology Foundations(18590712600,18DZ2282200,19DZ2293400,19ZR1465900),Shanghai Municipal Science and Technology Major Project(2019SHZDZX01),and the Chinese Academy of Sciences President’s International Fellowship Initiative(2020VTA0009,2020PT0020,2021PT0007).
文摘Structural colors are colors generated by the interaction between incident light and nanostructures.Structural colors have been studied for decades due to their promising advantages of long-term stability and environmentally friendly properties compared with conventional pigments and dyes.Previous studies have demonstrated many artificial structural colors inspired by naturally generated colors from plants and animals.Moreover,many strategies consisting of different principles have been reported to achieve dynamically tunable structural colors.Furthermore,the artificial structural colors can have multiple functions besides decoration,such as absorbing solar energy,anti-counterfeiting,and information encryption.In the present work,we reviewed the typical artificial structural colors generated by multilayer films,photonic crystals,and metasurfaces according to the type of structures,and discussed the approaches to achieve dynamically tunable structural colors.
