DOW-UAP-D141, AAWSAP DIRD, Metamaterials for Aerospace Applications, April 2010

Department of War · 4/6/10 · Las Vegas, Nevada · Document

DOW-UAP-D141, AAWSAP DIRD, Metamaterials for Aerospace Applications, April 2010 is indexed as a Department of War record with incident date 4/6/10 and location Las Vegas, Nevada. This document is a Defense Intelligence Reference Document (DIRD), a technical reference format used by the Defense Intelligence Agency (DIA) to capture baseline knowledge on a specific topic for later analytic use. DIRDs are best understood as reference and synthesis products rather than as original research. It is one of 38 DIRDs produced under the Advanced Aerospace Weapon System Applications Program (AAWSAP) between 2009 and 2011. Because AAWSAP s scope permitted a broad range of supporting topics, not every DIRD in the series directly concerns aerospace systems or future threat assessment. The following summary reflects the DIRD s scope and framing at the time of writing and should not be read as implying current validation of the concepts discussed. This DIRD surveys metamaterials, engineered structures designed to control electromagnetic waves in ways ordinary materials cannot, and argues that their main aerospace value lies in unusual optical and microwave properties together with significant component miniaturization. The report reviews possible applications including sub-wavelength imaging, compact waveguides and lasers, energy harvesting, tunable absorbers, nonreciprocal devices, and switchable materials, with particular emphasis on infrared and microwave uses for sensing, power management, and payload efficiency. It notes that many of the most ambitious applications depend on the practical output of a still-nascent field, especially in optical metamaterials, where only limited demonstrations had been achieved and fabrication remained a major constraint. The document presents metamaterials as a promising advanced materials field with credible niche applications and broader long-term potential. Redactions have been made to protect the identity of eyewitnesses, the location of government facilities, or potentially sensitive information about military sites not related to UAP. No redactions have been made to any files released under President Trump's directive concerning information about the nature or existence of any encounter reported as a UAP or related phenomena.

Notable / anomalous element

• Slowing Down Light and Miniaturizing Optical Components Using the Phenomenon of Electromagnetically Induced Transparency in Metamaterials. (native PDF text, page 10)
• demonstrating imaging of sub-diffraction objects buried under the layer of silicon dioxide. (native PDF text, page 11)
• Specifically, the authors have theoretically demonstrated that an axially varying heterostructure with a metamaterial core of negative refractive index can be used to efficiently and coherently bring light to a complete standstill. (native PDF text, page 21)
• Open sky conta ins very little infrared radiation which explains why infrared imaging/photography is very important for aerial and satellite surveys. (native PDF text, page 24)

Details

• This product is one in a series of advanced technology reports produced in FY 2009 under the Defense Intelligence Agency, Defense Warning Office's Advanced Aerospace weapon System Applications (AAWSA) Program. (native PDF text, page 2)
• Comments or questions pertaining to J this document should be addressed to JAAP Person 1 AAWSA Program Manager, Defense Intelligence Agency, ATTN: CLAR/DWO-3, Bldg 6000, Washington, DC 20340-5100. ii UNCLASSIFIED/ /EOR OEFICI,t.L W8!! e Ntt (native PDF text, page 2)
• UNCLASSIFIED/ (fQR OFFIClt.k YSE 8HLI Contents Definition of Metamaterials. (native PDF text, page 3)
• 1 Applications to Sub-Diffraction Imaging: Super-Lens and Hyper-Lens. (native PDF text, page 3)
• 6 Applications to Circuits and Waveguide Miniaturization: Slowing Down and Manipulating Electromagnetic Pulses (EMP) Using Advanced Metamaterials. (native PDF text, page 3)
• 20 Nonlinear Non-Reciprocal Chiral Metamaterials: For Developing Novel Optical Isolators and "One-Way" Microwave Mirrors. (native PDF text, page 3)
• Example of a Metamaterial Component: The Magnetic Split Ring Resonator (SRR) Design. (native PDF text, page 3)
• and Experimental Implementation (right panel) of an Optical Hyperlens Capable of Magnifying Sub Diffraction Objects to Observable (larger than Size. (native PDF text, page 3)

Tags: War Department, Nevada, AAWSAP, Technical research, Weapons, Lights, Aerial phenomena