Home > Explosives > Application > Bulk Analysis > Raman Spectroscopy (Raman)

Raman spectroscopy is a technique that measures the energy of photons generated by the inelastic scattering of monochromatic excitation photons. During excitation, photons interact with the electron cloud of an analyte and a small percentage of these photons undergoes a change in energy as a result of the interaction. This energy change corresponds with molecular vibrations, rotations, and other low-frequency modes and is plotted by instrumental operating software to produce a spectrum. Raman spectroscopy is often described as a complimentary technique to FTIR because both techniques are used to probe vibrational energy levels although different selection rules allow FTIR and Raman to interrogate different sets of molecular vibrations. Raman scattering is an inherently low probability phenomenon and as such, the Raman scattering cross-section of a particular analyte will generally be several orders of magnitude less than the corresponding FTIR absorption cross-section. Practically, this means that the sensitivity of Raman spectroscopy is lower than FTIR spectroscopy. There are several advanced Raman spectroscopy techniques that generate a stronger Raman intensity when compared to spontaneous Raman scattering such as Coherent Anti-Stokes Raman Spectroscopy (CARS), Resonance Raman Spectroscopy, Surface Enhanced Raman Spectroscopy (SERS) and Tip Enhanced Raman Spectroscopy (TERS).

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ACE-ID

ACE-ID

Smiths Detection, Inc.

The ACE-ID is a handheld Raman identifier for solid & liquid explosives, precursors, narcotics and t...

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AnywhereRaman™

AnywhereRaman™

Horiba Scientific

AnywhereRaman™ all-in-one unit combines a spectrometer, a laser, a TouchRaman™ BallProbe®, and an on...

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ASSURx

ASSURx

TSI, Inc.

The ASSURx is a handheld Raman analyzer with a gun-style, point and shoot design. It weighs about 5 ...

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ATR6200

ATR6200

Optosky Photonics Inc.

The ATR6200 is a handheld Raman spectrometer with a 785 nm laser. Also available in a high sensitivi...

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ATR6500/6600

ATR6500/6600

Optosky Photonics Inc.

Optosky's handheld Raman analyzers are available with a 785 nm (model 6500) or a 1064 nm (model 6600...

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Bravo

Bravo

Bruker Corporation

A hand-held Raman spectrometer with patented fluorescence mitigation SSE™(Sequentially Shifted Excit...

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Chem 500

Chem 500

SciAps, Inc.

The Chem-500 is a contact Raman for military and law enforcement. It features continuous and preset ...

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Chem-200

Chem-200

SciAps, Inc.

The CHEM-200 is handheld Raman analyzer with a 785 nm laser with continuous and preset adjustable la...

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Cora 7X00

Cora 7X00

Anton Paar USA, Inc.

The Cora 7X00 series delivers spectral information without internal algorithms processing spectra ...

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DXR™2 SmartRaman

DXR™2 SmartRaman

Thermo Fisher Scientific, Inc.

The DXR™2 SmartRaman scans from 3500 to 50cm-1 with a High-Resolution Grating of 1800-50cm-1. Incorp...

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Eagle

Eagle

ChemImage Sensor Systems

Eagle combines microscopic examination, Raman spectroscopy and fluorescence spectroscopy for rapid i...

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EZRaman-H

EZRaman-H

TSI, Inc.

The EZRaman-H is a handheld Raman analyzer for general purpose, including material identification a...

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EZRaman-I

EZRaman-I

TSI, Inc.

The EZRaman-I Series are field portable Raman instruments suitable for laboratory and/or field anal...

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EZRaman-N

EZRaman-N

TSI, Inc.

The EZRaman-N system features a narrow linewidth frequency stabilized laser, high throughput fiber o...

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Falcon II

Falcon II

ChemImage Sensor Systems

The FALCON II is a Wide-field Raman Chemical Imaging System optimized for both chemical imaging and ...

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Fido® Verdict

Fido® Verdict

FLIR Systems, Inc.

This product is not available.

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