QE Pro-Raman

High-sensitivity Spectrometer for Raman

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The most sensitive spectrometer

The QE Pro-Raman is a preconfigured for 785 nm Raman excitation, using a 900 lines/mm grating and 50 µm slit. To complete your modular Raman system, add a 785 nm Raman excitation laser, sample holder, and software.

Check out our new Raman Bundles

Additional Raman configurations are possible using a custom-configured QE Pro spectrometer. Here are some example QE Pro setups:

Example Configurations and Predicted Performance

QE Pro with 532 nm Raman Laser Excitation
Grating Slit Raman Shift Resolution
1200 lines/mm 10 µm 150-4000 cm-1 ~8 cm-1
1200 lines/mm 25 µm 150-4000 cm-1 ~10 cm-1
600 lines/mm 10 µm 150-7500 cm-1 ~16 cm-1
600 lines/mm 25 µm 150-7500 cm-1 ~19 cm-1
QE Pro with 785 nm Raman Laser Excitation
Grating Slit Raman Shift Resolution
1200 lines/mm 50 µm 150-2100 cm-1 ~6 cm-1
1200 lines/mm 100 µm 150-2100 cm-1 ~8 cm-1
600 lines/mm 50 µm 150-3950 cm-1 ~13 cm-1
600 lines/mm 100 µm 150-3950 cm-1 ~18 cm-1

  • Portable – small footprint, light weight, fiber optic-based spectrometer
  • Sensitive – high quantum efficiency detector
  • Powerful – signal-to-noise ratio of >1000:1
  • Stable – cooled detector allows low light detection and prevents spectral distortion

QE Pro-Raman is a preconfigured spectrometer for Raman spectroscopy and includes:

Engineering Specifications QE Pro-Raman
PHYSICAL
Dimensions: (L x W x H) mm and inches 182 mm (7.17 in.) x 110 mm (4.33 in.) x 47 mm (1.85 in.)
Weight: kg and lb Spectrometer: 1.15 kg (2.6 lbs.); power supply: 0.45 kg (1 lb.)
DETECTOR
Type: Hamamatsu scientific grade, back-thinned, TE Cooled, 1044 x 64 element CCD array
Range: 185-1100 nm
Quantum efficiency: 90% (peak)
SPECTROSCOPIC
Wavelength range: 780-1000 nm
Raman shift: 0-2800 cm-1
Resolution: 7 – 11 cm-1 over the range*
Integration time: 8 ms to 60 minutes
Dynamic range: ~85,000:1
Signal-to-noise ratio: System: 1000:1 (single acquisition)
Stray light: <0.08% at 600 nm; 0.4% at 435 nm
Buffering: 15,000 spectra
Fiber optic connector: SMA 905 and Ocean Optics FC
ELECTRONICS
Power requirement: Supply voltage: 4.5 – 5.5 V
Strobe functions: continuous and single strobe
Interfaces: USB 2.0, 480 Mbps (USB 1.1 compatible); RS-232 (5-wire)
OPERATING CONDITIONS
Operating temperature: 0 °C – 50 °C
Humidity: ≤ 90% noncondensing

* Resolution in wavenumbers varies with the wavelength being measured. It is higher close to the laser, and lower at longer Raman shifts.

Measurement Techniques in which this product is used: