Realizing the High Efficiency of Type‐II Superlattice Infrared Sensors Integrated Wire‐Grid Polarizer via Femtosecond Laser Polishing (Adv. Mater. Technol. 22/2024)

Type‐II Superlattice Infrared Sensors In article number 2400374, Sang Jun Lee, Won Seok Chang, and co‐workers fabricate a type‐II superlattice mid‐wavelength infrared photodetector, seamlessly integrated with a nanostructured wire grid polarizer using nanoimprint lithography. The surface of the wire...

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Bibliographic Details
Published in:Advanced materials technologies 2024-11, Vol.9 (22), p.n/a
Main Authors: Kim, Hyesu, Jeon, Jiyeon, Jo, Junhee, Chun, Byong Sun, Lee, Sang Jun, Chang, Won Seok
Format: Article
Language:English
Subjects:
femtosecond laser polishing
high‐efficiency sensor
MWIR photodetector
Type‐II superlattice
wire‐grid polarizer
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Summary:Type‐II Superlattice Infrared Sensors In article number 2400374, Sang Jun Lee, Won Seok Chang, and co‐workers fabricate a type‐II superlattice mid‐wavelength infrared photodetector, seamlessly integrated with a nanostructured wire grid polarizer using nanoimprint lithography. The surface of the wire grid polarizer is polished with femtosecond pulse laser, which dramatically reduces optical losses while maximizing polarization efficiency, known as the extinction ratio. This breakthrough paves the way for next‐generation high‐performance infrared imaging systems, revolutionizing MWIR detection with unprecedented capabilities.
ISSN:2365-709X
2365-709X
DOI:10.1002/admt.202470099