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Lab: Naval Research Laboratory
Category: Physics, Physical Science
4556 Overlook Avenue S.W.
Washington, DC, 20375
Phone: 202-767-3083 ext.
Fax: 202-404-7920 |
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Contact Lab About This Facility |
FUNCTION: Provides a state-of-the-art
capability to investigate the response of
systems, components, and materials to
HPM radiation. Narrowband pulsed and
continuous wave (CW) experiments, as
well as wideband pulsed experiments,
can be carried out at frequencies ranging
from 0.5 to 94.0 GHz. The facility is
equipped to do coupling cross-section
measurements, free-field irradiation
experiments on systems and components,
and plasma-mediated coupling investigations
of materials.
DESCRIPTION: The facility is composed of four separate
rooms or chambers that are approved for classified
work. A large anechoic chamber (4.9 × 4.9 × 9.8 m
long), with an access doorway 2.4 m wide × 3.7 m
high, permits full system testing of, for example, antiship
cruise missiles. Systems and other test objects are placed
in the anechoic chamber and instrumented to record
their functional responses in the presence of a microwave
field. Various sources of microwave radiation are
housed in a source room adjacent to the anechoic
chamber, and the radiation is fed into the chamber
through ports in the common wall. Fiber-optic
telemetering of the system/material response functions is
accomplished by bringing the test-object cables through
the chamber floor along a trough to a control screen
room where data acquisition equipment is located.
Finally, a large vault room (4.9 m wide × 3.0 m high ×
14.6 m long) serves as a laboratory for preparing the
systems/test objects for experiments and for conducting
injection, transfer-function, and other measurements. |
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