High-temperature MIRAGE XL (LFRA) IRSP system development

Steve McHugh; Greg Franks; Joe LaVeigne

doi:10.1117/12.2276880

3 May 2017 High-temperature MIRAGE XL (LFRA) IRSP system development

Steve McHugh, Greg Franks, Joe LaVeigne

Proceedings Volume 10178, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXVIII; 1017809 (2017) https://doi.org/10.1117/12.2276880
Event: SPIE Defense + Security, 2017, Anaheim, CA, United States

Abstract

The development of very-large format infrared detector arrays has challenged the IR scene projector community to develop larger-format infrared emitter arrays. Many scene projector applications also require much higher simulated temperatures than can be generated with current technology. This paper will present an overview of resistive emitterbased (broadband) IR scene projector system development, as well as describe recent progress in emitter materials and pixel designs applicable for legacy MIRAGE XL Systems to achieve apparent temperatures >1000K in the MWIR. These new high temperature MIRAGE XL (LFRA) Digital Emitter Engines (DEE) will be “plug and play” equivalent with legacy MIRAGE XL DEEs, the rest of the system is reusable. Under the High Temperature Dynamic Resistive Array (HDRA) development program, Santa Barbara Infrared Inc. (SBIR) is developing a new infrared scene projector architecture capable of producing both very large format (>2k x 2k) resistive emitter arrays and improved emitter pixel technology capable of simulating very high apparent temperatures. During earlier phases of the program, SBIR demonstrated materials with MWIR apparent temperatures in excess of 1500 K. These new emitter materials can be utilized with legacy RIICs to produce pixels that can achieve 7X the radiance of the legacy systems with low cost and low risk. A 'scalable' Read-In Integrated Circuit (RIIC) is also being developed under the same HDRA program to drive the high temperature pixels. This RIIC will utilize through-silicon via (TSV) and Quilt Packaging (QP) technologies to allow seamless tiling of multiple chips to fabricate very large arrays, and thus overcome the yield limitations inherent in large-scale integrated circuits. These quilted arrays can be fabricated in any N x M size in 512 steps.

Citation Download Citation

Steve McHugh, Greg Franks, and Joe LaVeigne "High-temperature MIRAGE XL (LFRA) IRSP system development", Proc. SPIE 10178, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXVIII, 1017809 (3 May 2017); https://doi.org/10.1117/12.2276880

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