Journal
OPTICS EXPRESS
Volume 19, Issue 22, Pages 21620-21626Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.021620
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Funding
- NSF [ECCS 0802036]
- AFOSR [FA9550-09-1- 0708]
- DARPA [HR0011-08-10044]
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0802036] Funding Source: National Science Foundation
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We have designed, fabricated, and characterized metamaterial enhanced bimaterial cantilever pixels for far-infrared detection. Local heating due to absorption from split ring resonators (SRRs) incorporated directly onto the cantilever pixels leads to mechanical deflection which is readily detected with visible light. Highly responsive pixels have been fabricated for detection at 95 GHz and 693 GHz, demonstrating the frequency agility of our technique. We have obtained single pixel responsivities as high as 16,500 V/W and noise equivalent powers of 10(-8) W/Hz(1/2) with these first-generation devices. (C) 2011 Optical Society of America
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