Broadband Uncooled IR Detector Based OnNano-Electromechanical Systems (NEMS)

Intellectual Merits:This Small Business Innovation Research Phase I project seeks to develop an innovative Nano-electromechanical systems (NEMS) Lead (PB) Lathanum Zirconium Titanate (PLZT) based uncooled broadband infrared (IR) detector (NEMS PLZT) with average QE>50% over the spectral range of 3µm – 50 µm and detectivity D* greater than 5x109Jones. This device will have a broadband spectral range to support MWIR, LWIR imaging at high performance. The design realized in Phase I through modeling, simulations and process development for fabrication of test-chips will be full developed and fabricated in Phase II during which the NEMS PLZT photon detector will be demonstrated as an uncooled broadband IR detector for NASA applications.Broader Impacts:This device will help to reduce the cost for high performance broadband IR imaging and enable wider adoption for space and scientific applications. Applications include IR camera for MWIR, and LWIR imaging, which are used in IR sensors for earth science measurements and observations for NASA missions such AIRS, TES, ASTER, HyspIRI, Sustainable Land Imaging – Technology (SLI-T) Landsat instruments, sensors, components, and measurement. Other application include military target detection systems for acquisition, tracking, and pointing of high power directed energy systems on next generation airborne platforms, intelligence, surveillance and reconnaissance platforms, LIDAR, remote sensing, satellite imaging, and the detection and monitoring of chemical and biological agents. In addition there are broad commercial sector applications including next generation automobile where this image sensor will enhance the safety of driver, passenger, and also pedestrian, security, biometrics, medical imaging, machine vision, and geo-science instruments.Key Words: LWIR, MWIR, Focal Plane Array, FPA, night vision, thermal imaging