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Defense Intelligence Reference Document High-Frequency Gravitational Wave Communications

Defense Intelligence Agency · 57 pages · text from the file's own layer

This Defense Intelligence Reference Document was prepared by the Defense Intelligence Agency under its Advanced Aerospace Weapon System Applications (AAWSA) program, is dated 6 April 2010 and is part of a series of advanced technology reports produced in FY 2009. It reviews proposed laboratory generators and detectors of high-frequency gravitational waves for communications. It favors an infrared-excited molecules transmitter and the Li-Baker detector, estimating about 1.9 million bits per second over 7,000 km through the Earth. It also discusses timing standards and interplanetary navigation uses.

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“BEAMS”17 pages

  • p. 5 …communications are carried on an extremely narrow beam directly through the Earth, there is a very…
  • p. 9 …Alternatively, a pulsed particle beam, which could include antimatter, could trigger nuclear reactions and build up…
  • p. 15 …Thus a HFGW total flux of l .29x 108 wm· 2 in a very narrow beam…
  • p. 16 …With this configuration, the width of the needle-like, narrow HFGW beam at the receive end…
  • p. 17 …The Birmingham University HFGW detector measures changes in the polarization state of a microwave beam (indicating…
  • p. 19 …The result of the intersection of the parallel and superimposed EM and GW beams, according to…
  • p. 20 …However, with the Li-Effect, there is an additional focused microwave beam ("Gaussian beam") at the…
  • p. 21 …The signal (the PPF) and the noise, or background photon flux (BPF) from the Gaussian beam…
  • p. 23 …Assuming a "best efforts" value of 1000 W for the power of the Gaussian beam in…
  • p. 24 UNCLASSIFIED/ ,'l"e" Cl"l"!e!•t tl9E CHE I beam is much greater than the…
  • p. 25 …A Gaussian (focused, with minimal side lobes) microwave beam (GB) is aimed along the +z-axis…
  • p. 30 …With this configuration, the width of the needle-like, narrow HFGW beam at the receive end…
  • p. 38 …with stronger magnetic fields, more intense Gaussian beams, and better baffles as well as new detector…
  • p. 46 …and Zhao P. (1992), "Interaction Between Narrow Wave Beam-Type High Frequency Gravitational Radiation and Electromagnetic…
  • p. 47 …M Land Fang Z. (2007), "Coupling of an open cavity to a microwave beam: a possible…
  • p. 52 …D01.3 Microwave Transmitter {Gaussian beam) Design of the microwave transmitter for the Gaussian beam, directed…
  • p. 53 …of the interior baffles around the Gaussian beam, and a "tunnel" between fractal-membrane reflectors and…
UNCLASSIFIED/ ,'P81l 8PPU!llltt 1!1!11!! 811Llf
Mars
R0 m = Earth to Mars Max range 1AU + 1.5 AU = 2.5 AU
R1c = 384,400 km = .00257 AU
8
Moon
GW, i
"Sun
0max ~ Rio / Rem rad
- 60 mdeg
Figure 26. A GW Pair on Earth and on the Moon, as Used by a Mission to Mars
Range to Jupiter 5.2AU +/- 1.5AU
Range to Saturn 9.6AU +/- 1.5 AU
Earth
0 Sun
Jupiter
Ji),
,-,( _/.,-·
\ e \
·"< max~
(Rem / 2RJuI) rad
- 28 deg
Saturn
Figure 27. A GW Pair on Earth and on Mars for an Outer Planetary Reference Pair
35
UNCLASSIFIED//F8~ 8FFIIIAI!: 1!181! &••LY

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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 57 pages are in the text index: search them above, or from the library's search.