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Software

Alpha versions of the acquisition and post-processing software are available now and allow serial communication with the B&W Tek spectrometer.

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Test

Alpha versions of the acquisition and post-processing software are available now and allow serial communication with the B&W Tek spectrometer.

Quick Introduction

What is Raman Spectroscopy?

In simple terms, a Raman spectrometer uses a laser to focus light onto a small spot on a sample. The photons excite molecular vibrations that scatter the light and uniquely shift its wavelength – known as Raman scattering. By filtering out the Rayleigh-scattered, original laser light, we isolate and capture the desired signal, guide it into a spectrometer and plot it as a unique spectrum.

Rayleigh Scattering

so-called inelastic scattering
affects about 1 in 10 million photons
incident light changes direction and energy
the molecule gains or loses energy = wavelength shift

Raman Scattering

so-called elastic scattering
the most common, visible everyday scattering
incident light only changes direction
wavelength stays the same

Fluorescence

e.g., the glow under UV
incident light is absorbed and re-emitted
much stronger than the Raman signal
emitted in random directions

Rayleigh Scattering

so-called inelastic scattering
affects about 1 in 10 million photons
incident light changes direction and energy
the molecule gains or loses energy = wavelength shift

Raman Scattering

so-called elastic scattering
the most common, visible everyday scattering
incident light only changes direction
wavelength stays the same

Fluorescence

e.g., the glow under UV
incident light is absorbed and re-emitted
much stronger than the Raman signal
emitted in random directions

Rayleigh Scattering

so-called inelastic scattering
affects about 1 in 10 million photons
incident light changes direction and energy
the molecule gains or loses energy = wavelength shift

Raman Scattering

so-called elastic scattering
the most common, visible everyday scattering
incident light only changes direction
wavelength stays the same

Fluorescence

e.g., the glow under UV
incident light is absorbed and re-emitted
much stronger than the Raman signal
emitted in random directions

Quick Introduction

What is Raman Spectroscopy?

In simple terms, a Raman spectrometer uses a laser to focus light onto a small spot on a sample. The photons excite molecular vibrations that scatter the light and uniquely shift its wavelength – known as Raman scattering. By filtering out the Rayleigh-scattered, original laser light, we isolate and capture the desired signal, guide it into a spectrometer and plot it as a unique spectrum.

Laser Pointer
Optical Filters
Focusing Lenses
Spectrometer

Full Parts List

Non-destructive

Liquid, solid & gaseous

In-situ analysis

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Rayleigh Scattering

so-called inelastic scattering
affects about 1 in 10 million photons
incident light changes direction and energy
the molecule gains or loses energy = wavelength shift

Raman Scattering

so-called elastic scattering
the most common, visible everyday scattering
incident light only changes direction
wavelength stays the same

Fluorescence

e.g., the glow under UV
incident light is absorbed and re-emitted
much stronger than the Raman signal
emitted in random directions

Rayleigh Scattering

so-called inelastic scattering
affects about 1 in 10 million photons
incident light changes direction and energy
the molecule gains or loses energy = wavelength shift

Raman Scattering

so-called elastic scattering
the most common, visible everyday scattering
incident light only changes direction
wavelength stays the same

Fluorescence

e.g., the glow under UV
incident light is absorbed and re-emitted
much stronger than the Raman signal
emitted in random directions

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