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Home > News & Events > Raman Spectroscopy Bundles for Targeted Analysis

Raman Spectroscopy Bundles for Targeted Analysis

Modular Raman Spectroscopy Bundles

Take the guesswork out of creating a modular Raman spectroscopy system and reap added savings with our convenient bundles. Designed to operate as a system, the components in these bundles mate seamlessly to get you started taking Raman spectra more quickly. All bundles come with OceanView software and the appropriate laser safety glasses.

System 532 nm 638 nm 785 nm 1064 nm
QE Pro QE Pro QE Pro NIRQuest-2016
Spectrometer: QE Pro, grating H6, 25 µm slit QE Pro, grating H6, 25 µm slit QE Pro, grating H36, 50 µm slit NIRQuest512-1.7, grating NIR10, 50 µm slit
Spectral range: 532-700 nm 638-799 nm 785-1010 nm 1060-1446 nm
Spectral resolution (FWHM): 0.43 nm 0.41 nm 0.71 nm 1.73 nm
Raman range: 150-4000 cm-1  150-3150 cm-1 150-2800 cm-1  150-2480 cm-1
Raman resolution:* 9-15 cm-1  7-10 cm-1 11.5 cm-1 9-15 cm-1

*Resolution in wavenumbers varies with the wavelength being measured. It is better closer to the laser line, and not as good at longer Raman shifts.

What is the Difference?

532 nm – This wavelength is the workhorse for inorganic materials, offering maximum signal for samples that do not suffer from autofluorescence. Often used for the study of carbon nanotubes, fullerenes and other carbon materials to avoid sample burning, 532 nm excitation is also good for resonance Raman experiments.

638 nm –  Often used for most biomedical applications, which need to balance the risk of sample damage with fluorescence generation. The 638 nm wavelength also can be extremely versatile for generating high-quality SERS data for a wide range of analytes, from trace detection of explosives to pesticides, fungicides and more.

785 nm – Yields excellent quality Raman spectra for most chemicals, with limited interference from fluorescence. These systems also offer very good spectral resolution, making them perhaps the preferred wavelength choice for general Raman spectroscopy of chemicals and organic materials.

1064 nm – Increasingly popular due to the minimal fluorescence generated, particularly for pigment-rich tissues and materials. Though the Raman signal is much weaker (6% of what would be predicted for 532 nm), the near absence of fluorescence permits spectra to be obtained with a reasonable signal to noise ratio.

Learn more about Raman spectroscopy and applications using Ocean Optics spectrometers, or watch our video on how portable Raman and SERS can be used in Protecting the Food Supply Chain from Farm to Fork.