Raman Spectrometer

In the chemistry, pharmaceutical, materials testing, and petrochemical industries, the ability to quickly analyze and identify a substance is key. One solution is to use a Raman spectrometer. By taking advantage of the scattering of laser light hitting a sample, a Raman spectrometer can read the subtle energy shift in the scattered light caused by the vibration of the substance undergoing analysis. Raman spectrometers typically employ diode or gas lasers of 532 or 785 nm. For applications like forensics, where samples are often contaminated, some Raman spectrometers offer wavelengths of 1064 to filter fluorescence at the cost of overall sensitivity.

Considerations for purchasing a Raman spectrometer

Detectors for Raman spectrometers include CCD arrays, InGaAs, or Ge types. Some Raman spectrometer systems are coupled with high-end microscopes for micro molecular analysis.

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CompanyMetrohm USAMetrohm USAMetrohm USAMetrohm USAMetrohm USA
ItemMIRA P Handheld Raman Spectrometeri-Raman Duo Raman Spectrometeri-Raman NxG SpectrometersMIRA XTR Handheld Raman SpectrometerSPELEC RAMAN Instrument
Citations
(7)
Catalog Number29540060NxG SeriesSPELECRAMAN
Price
DescriptionHandheld Raman spectrometer for instant on-site materials verification. PCA-based verification with Orbital Raster Scan (ORS) technology. FDA 21 CFR Part 11 compliant.A dual-laser Raman analyzer that delivers seamless, full-spectrum molecular insight from 100 to 4600 cm-1 using patented concatenated Raman technology.
Features:
  • Full-spectrum coverage (100–4600 cm-1) - Captures both fingerprint and high-wavenumber regions in a single system
  • Low fluorescence
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The i-Raman NxG is a next-generation laboratory Raman system designed for precise raw-material, formulation, and reaction analysis, offering flexible wavelength configurations to meet diverse requirements to deliver molecular-level insight for both R&D and QC applications.
  • Flexible wavelength
... Read More
Handheld Raman system for fast, non-destructive, fluorescence-free material identification. Features eXTRaction technology for fluorescence rejection and Orbital Raster Scan (ORS). IP67 and MIL-STD-810G certified.SPELEC RAMAN is an instrument for performing spectroelectrochemical RAMAN measurements. It combines in only one box a LASER Class 3B (785 nm), a Bipotentiostat/Galvanostat and a spectrometer and includes a dedicated spectroelectrochemical software that allows optical and electrochemical experiments ... Read More
Laser Sources785 nm ± 0.5 nm diode laser, =100 mW (50 mW at sample), 5 adjustable powers down to 10 mWClass 3B 865 and 1064 - 495mW at 100%, adjustable in 1% stepsInquire785 nm ± 0.5 nm diode laser, =100 mW (50 mW at sample), 5 adjustable powers down to 10 mWInquire
Resolution8 to 10 cm?¹ (FWHM) across rangeInquireInquire8 to 10 cm?¹ (FWHM) across rangeSPM Optical resolution: < 4 cm-1
Spectral Range400–2,300 cm?¹InquireInquire400–2,300 cm?¹785 ± 0.5 nm
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