Our Business

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Alakai Defense Systems is a US Army Veteran Founded/Owned/Operated high-tech company specializing in laser and electro-optical standoff (long-range) Threat detection sensors for Defense & Security Applications.

We bring Standoff Detection – farther, faster, safer.

 

Deep UV Raman Standoff Benefits

•FARTHER: Allows detections farther from the threat.

•FASTER: Improves signal-to-noise, giving faster identification.

•SAFER: Doesn't ignite black powders, providing safer operation.

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Our Innovative Technology

Deep Ultra-Violet (DUV) Advantages

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Alakai products use DUV illumination, which has four major advantages over near-IR Raman wavelengths for standoff applications.

  • Raman material cross sections increase with decreasing wavelength by 1/λ4.  The cross sections measured at 262 nm are about 80 times larger than the average hand-held Raman instrument at 785 nm and 272 times larger than some specialized hand-helds that lase at 1,064 nm.

  • DUV excitation results in Raman spectra that are collected in the solar blind region and are nearly fluorescence free.  Solar background is known to cause interference with Raman using visible and near-IR (NIR) lasers.

  • Inherent material fluorescence is largely suppressed with DUV excitation as many materials encountered in forensic investigations exhibit strong fluorescence when excited with 785 nm, the most commonly used wavelength for portable Raman systems.  To overcome fluorescence, manufacturers are now offering 1,064-nm systems.  DUV excitation provides approximately the same level of fluorescence reduction over 785 nm as 1,064-nm excitation, but at 200 times the signal strength.

  • DUV Raman has reduced detonation probability of explosives.  It is believed that certain Raman systems using tightly focused 785-nm or 1,064-nm sources can cause deflagration or detonation of explosive materials.  DUV Raman systems have been extensively tested on an array of energetic materials, such as C-4 (RDX), ammonium nitrate/fuel oil (ANFO), and primary explosives (mercury fulminate), and have not experienced a single initiation or detonation.

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Get in Touch

TAMPA BAY OFFICE
8285 Bryan Diary Road Suite 125
Largo FL 33777


info@alakaidefense.com

727 541-1600

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