Compact, Rugged, Flexible Fiber Optic Interferometer for Sensitive Gas and P
Department of Defense
Defense Threat Reduction Agency
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Small Business Information
Alameda Applied Sciences Corp.
1555 Doolittle Dr., Suite 100, San Leandro, CA, 94577
Socially and Economically Disadvantaged:
Dr. Gary Rondeau
AbstractAlameda Applied Sciences Corporation (AASC) proposes to develop a new type of interferometer that is compact and portable and can be used to make in-situ measurements of gases and plasmas. This interferometer uses polarization maintaining optical fibers and diode lasers to duplicate the capabilities of existing Mach-Zender interferometers that use dicrete optical elements such as mirrors, lenses and prisms, but in a more compact, rugged and flexible assembly. Our basic design to measure the density outside supersonic nozzles (like those used on x-ray simulators) consists of an assembly that measures 19" x 22" x 8", including the laser, probe and reference beams, feedback network to balance the two interferometer legs and detector electronics. Such a package is portable and readily adapted for use in-situ in various DNA simulators and Plasma Opening Switch testbeds. More importantly, after this Fiber Optic Interferometer has been validated for simulator applications, it could find broader use as a sensitive, non-invasive density diagnostic in chemical reactors, jet exhausts, pulsed ion beam diodes, accelerators and other situations where neutral gases and plasmas are present. The instrument will be validated in Phase I, followed by commercial insertion at the end of Phase-II.
* information listed above is at the time of submission.