Alakai Defense Systems, Inc.

Darius Vunck

Robert Douglas Waterbury

Ed Dottery

Timothy Molner

Kenneth R Pohl

Hunter Hardy

Robert Dean Babnick

David Welford

Alan T Ford

Frank Vilardi

Thuyan Conghuyentonnu

Robert McKinney

Edwin L Dottery

Ryan Robins

Kenneth Randall Pohl

Alan Ray Ford

A method and system for interrogating a target for one or more chemical species of interest using Raman microscopy and spectroscopy. A feature includes the ability to precisely electro-mechanically move and orient a Raman microscope relative to the target with multiple degrees of freedom of movement, including targets with 3-D form factors. This promotes effective detection of minute quantities of chemical species of interest. It also allows effective detection of minute quantities whether the target is static or moving. The method and system can include enhancements. Examples include alternative imaging spectrometers, alternative Raman microscope optical set-ups, and alternative focusing techniques. Others include control of the excitation energy and user controls and options to allow highly adjustable, flexible, and effective detection for a variety of detection applications.

UV Raman microscope analysis system

The present invention relates to a novel stand-off distance chemical detector system such as can be used, for example, for standoff detection of explosives. Instead of a conventional lasing medium, a Pr:YAG or Pr:BYF based UV laser is used which can be advantageously implemented in Raman spectroscopy.

UV lasers and UV Raman systems for effective and efficient molecular species identification with Raman spectroscopy

The present invention relates to a highly portable, highly flexible standard of distance chemical detector such as can be used, for example, for standoff detection of explosives. Aspects of the invention include techniques for portability compactness and ways to diminish influence of fluorescence on Raman spectroscopy. Additional features can include a compact imaging spectrometer, a wirelessly connected smart device for user interface, and an auto-focus/range finder.

Standoff Raman system (PRIED)

A system comprises a processing system, a laser system, a telescope system, a detector system and optical systems operatively arranged such that the laser system may be capable of outputting multiple wavelengths to a common telescope system, and the detector system is capable of receiving signatures from the same telescope system, under the control of a control system. The processor system processes signals received from the detector system to determine substances identified by known signatures. For example, a plurality of detectors in the detector system each receive a range of wavelengths of the signatures received by the telescope system. For example, a variable beam diverger and variable beam expander operatively control expansion and divergence of the output the laser system. For example, a beam reducer and lenslet array may operatively transmit signatures via optical fiber bundle to one or more of the detectors.

Laser detection system having an output beam directed through a telescope

A source of light that could cause ocular damage within a given range from the source of light, such as a first laser, is accompanied by an optical hazard avoidance device, such as a second laser, that stimulates voluntary, involuntary, or both voluntary and involuntary responses, either physiological or behavioral or both physiological and behavioral, within one or more hazard zones, such as by inducing gaze aversion within the viewer. For example, a visible laser beam induces gaze aversion, pupil contraction or a combination of gaze aversion and pupil contraction, reducing the dose rate or exposure of the ocular tissue to damaging radiation from a primary source. In one example, the primary source is a UV Raman detector and the visible laser beam is selected to induce gaze aversion.

Optical hazard avoidance and method

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Clearwater, FL, United States of America

Darius Vunck