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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Thermo Fisher Scientific
- 532 nm Diode-pumped, solid state (DPSS), 633 nm HeNe gas, 780 nm Frequency-stabilized single mode diode laser, 780 nm Multiple transverse mode narrow-spectrum diode
- 3 or 5 cm-1
- 532 to 780 nm
Agilent Technologies
- Class 1 Laser System - Interlocked
- Inquire
- Inquire
Agilent Technologies
- Class 3B - 830nm
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- 830 nm
Agilent Technologies
- 830 nm adjustable power up to 475mW
- Inquire
- 830 nm
Agilent Technologies
- 830 nm, Class 1 Laser
- < 8 cm-1 (FWHM)
- 50 to 2300 cm-1
Agilent Technologies
- Class 3B 450 mW
- 12 to 20 cm –1
- 350 to 2000 cm –1
Bruker Optics
- Inquire
- Inquire
- 200 cm-1 to 3300 cm-1
Bruker Optics
- Diode-Pumped Air-Cooled Nd:YAG Laser (1064 nm)
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- 50 to 3600 cm-1
Bruker Optics
- Inquire
- Inquire
- 200 cm-1 to 3300 cm-1
Bruker Optics
- Inquire
- Inquire
- 200 cm-1 to 3300 cm-1
IRIS Technology Solutions
- Inquire
- Inquire
- 150 to 3000 cm?¹
Malvern Panalytical
- Class 1
- 6 cm-1 resolution measured on an atomic line source. Average of < 8 cm-1 across the range.
- 150 cm-1 to 2800 cm-1
Metrohm USA
- Class 3B 865 and 1064 - 495mW at 100%, adjustable in 1% steps
- Inquire
- Inquire
Metrohm USA
- Inquire
- SPM Optical resolution: < 4 cm-1
- 785 ± 0.5 nm
Rigaku Corporation
- 1064 nm
- ~ 6-13 cm-1
- 200 to 2500 cm-1
Rigaku Corporation
- 1064 nm
- Approx. 6-13 cm-1
- 200 to 2500 cm -1
Rigaku Corporation
- 1064 nm
- ~6-13 cm-1
- 200-2500 cm-1
Rigaku Corporation
- 1064 nm
- 8-11cm-1
- 200 to 2500 cm-1
Thermo Fisher Scientific
- Supported wavelengths: 455, 532, 633, and 785 nm
- Full range grating: average 2 cm-1/CCD pixel element
High resolution grating: average 1 cm-1/CCD pixel element - 455 to 785 nm
Thermo Fisher Scientific
- 250 mW ±25, 785nm ± 0.5 (2 cm-1 line width, stability <0.1 cm-1)
- 8 to 10.5 cm-1(FWHM) across range
- 250 to 2875 cm-1
Zolix Instruments Co., Ltd.
- Class 3B ≤450mW
- 12cm-1
- 200 to 2000cm-1
Thermo Fisher Scientific
- Inquire
- Inquire
- 50 to 3500 cm-1
Thermo Fisher Scientific
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- 6.5 cm-1 average across spectral range
- 100 to 3250 cm-1
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- Easy & Light Weight Handheld Raw Material Identifier
Agilent Technologies
The Vaya Raman Raw Material Identity Verification System has been used in our laboratory to identify raw materials. It has been used in our laboratory for the last 11 months and it works very well and... Read Review - Curbs Sampling Need
Agilent Technologies
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Agilent Technologies
As a researcher deeply entrenched in material identification and analysis, the Vaya Handheld Raman Spectrometer from Agilent Technologies has been an absolute game-changer for my work and research ... Read Review