Documents / Official release
This Defense Intelligence Reference Document, DIA-08-1004-006, is dated 6 April 2010 and was prepared by the Defense Intelligence Agency's Defense Warning Office. It is one of a series of advanced technology reports produced in FY 2009 under the Advanced Aerospace Weapon System Applications Program. The report reviews electromagnetic and optical metamaterials and their uses in sub-diffraction imaging, component miniaturization, energy harvesting, optical isolators and tunable devices. It concludes that metamaterials remain academic but have great potential for aerospace applications.
From the source: Release of 2026-09-18 Incident: 4/6/10, Las Vegas, Nevada. Released with redactions. 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.
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C I. r I.Lr
I 0.260 1.654 0.003
2 0.254 1.677 .023
3 0.-45 1.7 1 .052
4 0. 0 1.771 .0
0.20 I. 25 .1..0
6 0.190 I. 6 .1
7 0.17 1.9 I .I
0.148 2.027 .220
9 0.129 2.110 .2 0
10 0.116 2. 0.279
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in-plane lattice pa ram eters are av = a,= 10/3 mm, The ring is square, with edge length I =3 mm and t racewidth w
= 0. 2 mm. The substrate is 381 μm-thick Duroi d 5870 (E = 2.33, td = 0.001 2 at 10 GH z, where td is t he loss
ta ngent) . The Cu fi lm, from wh ich t he SRRs are patterned, is 17 μm th ick. The parameters ra nd s are given in the
ta ble together with t he associated value of μ,. (Reference 6)
Elect ric properties of met amaterials can be similarly contro lled. An example of a planar
elect rically -active metamaterial is shown in Figu re 2.
r1yun: .L , cxc1mp1t: u, i:I r111::cc1 mc1 c11::nc11 1.,umpun 11::nc; 1n - ,.,_,..,_., _
-
- Figure 2. Example of Another Metamaterial Component: Electric
Ring Resonator (ERR). This com pone nt provides tu nable resona nt
electric response to the incident electromagnetic fiel d, and can be
util ized for engineering t he freque ncy -dependent dielectric
permittivity &(w) . Possi ble app lication : THz and microwave absorbers,
( Reference 7)
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2 Not linked to a story yet.
Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 38 pages are in the text index: search them above, or from the library's search.