QE PRO Raman 785, 638, 532nm Fiber Optic Spectrometers by Ocean Optics




The QEPro-Raman is the most sensitive Ocean Optics Raman spectrometer we have ever developed. The Hamamatsu FFT-CCD detector used in the QEPRO-Raman provides 90% quantum efficiency. The 2D area detector allows for binning a vertical row of pixels, which offers significant improvement in the signal-to-noise ratio (>1000:1).  Features user changeable slits and even user changeable SMA to FC fiber ports.

Portable– small footprint, light weight, fiber optic based spectrometer for the field

Sensitive – high quantum efficiency detector

Powerful – signal-to-noise ratio of >1000:1

Stable – cooled detector allows low light detection and prevents spectral distortion

The standard system is set up to work with a 785nm laser. You can order one set up for 532nm lasers (pricing is the same for the spectrometer).

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

Optional internal shutter, software controlled  select under options


Engineering Specifications QE Pro-Raman
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.)
Type: Hamamatsu scientific grade, back-thinned, TE Cooled, 1044 x 64 element CCD array
Range: 185-1100 nm
Quantum efficiency: 90% (peak)
Wavelength range: 780-1000 nm
Raman shift: 0-2800 cm-1
Rseolution: 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
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)
Temperature: TE Cooler can only cool 40 °C below ambient temperature; Operation: -40 °C to +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.


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


QEPro Manual


Additional information

Weight 6 lbs
Dimensions 12 × 12 × 6 in
Laser wavelength

532 nm, 638 nm, 785nm


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