QE Pro Raman Series
The QE Pro-Raman product family comprises preconfigured spectrometers for 532 nm,…
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QEPRO-RAMAN+
The QE Pro-Raman+ is a preconfigured spectrometer for 785 nm Raman applications with excellent sensitivity and throughput over a wide spectral range (150 cm-1 to 3000 cm-1).
Note: A QE Pro-Raman+ configured with a standard Raman probe has a Raman shift of 150 cm-1 to 3000 cm-1. The spectrometer alone is tuned from 0 cm-1 -3000 cm-1.
Designed with gold-coated mirrors and a back-thinned FFT-CCD detector, the QE Pro-Raman+ offers a low noise floor allowing long integration times. Its ability to distinguish sharp peaks from very weak Raman spectral signatures makes it an excellent choice for analysis of chemicals, pharmaceuticals, illicit drugs, and organic materials. Performing Raman at 785 nm reduces background fluorescence often seen from organic materials.
Features
- Portable
- Sensitive
- Powerful
- Raman shift
specifications
Spectroscopy: |
|
|---|---|
| Raman Shift | 0cm(-1) – 3000cm(-1) |
|
Optical Resolution |
0.72 nm FWHM (typical) |
| Integration Time | 8ms – 3600s |
| Dynamic Range | ~85,000:1 |
|
Input Fiber Connector |
SMA 905 |
| Onboard Memory | 15,000 spectra |
| Signal to Noise Ratio | 1000:1 (single acquisition) |
Detector: |
|
| Entrance slit | 50 µm |
| Quantum Efficiency | 90% (peak) |
Electronics: |
|
| Power Requirement | Supply voltage: 4.5 – 5.5 V |
| Strobe Functions | continuous and single strobe |
Communications: |
|
| Wired | USB 2.0, 480 Mbps (USB 1.1 compatible); RS-232 (5-wire) |
Environmental: |
|
| Humidity | ≤ 90% noncondensing |
| Operating Temperature | 0 °C – 50 °C |
Physical: |
|
| Dimensions | 182 mm (7.17 in.) x 110 mm (4.33 in.) x 47 mm (1.85 in.) |
| Weight | 1.15 kg (2.6 lbs.); power supply: 0.45 kg (1 lb.) |
Manufacturers
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Document
QEPRO-RAMAN+ Product Sheet
Industries
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Methods
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Spares and accessories for QEPRO-RAMAN+
SERS Substrates
Surface-enhanced Raman spectroscopy (SERS) substrates let you make fast, repeatable measurements for the identification and quantification of SERS-active analytes. Typical applications include trace level detection of narcotics, pesticides and taggants. Here are some key applications:
- Detection of narcotics. Fast identification of drugs in the field is a real boon for those combating drug-related crime. Often only small residues of a sample can be collected from a crime scene. SERS also opens up a potential route for fast roadside drug screening of drivers using saliva samples.
- Food safety. Certain additives such as melamine found in milk powder can be extremely harmful even at very low concentrations. Using SERS, we can qualify and quantify the level of dangerous trace elements in our food supply chain.
- Anti-counterfeit tagging. High value products that are subject to duties and taxes — petrol is one example — are often the target of piracy and fraud. By adding a small amount of a SERS-active taggant to the unadulterated product, detecting the taggant becomes an instant indicator of authenticity.
General Purpose Raman Probes
Raman probes consist of a fiber bundle to route excitation light from the laser to the sample and collect Raman scattered light. Light at the laser wavelength (Rayleigh scattering) is rejected on the path to the spectrometer using a dichroic filter to avoid saturating the detector.
Several versatile Raman probes are available for lab applications. Excitation wavelengths include 532, 638, 785 and 1064 nm, and both FC and SMA 905 probe terminations are available.
Raman Sample Holders
Ocean Insight offers sample holders for Raman analysis of liquids and solids. The holders accommodate Raman probes from 9.5 mm-12.7 mm diameter, and 1 cm pathlength cuvettes and vials of various dimensions.
The RM-SERS-SHS holder is ideal for surface enhanced Raman spectroscopy (SERS) substrates, which comprise nanoparticle chemistries on slides. The holder accommodates standard glass SERS slides and connects to a Raman probe.
The RM-LQ-SHS holder accommodates vials and cuvettes. It has a magnetic cover, making it easy to load and unload samples, block ambient light, and improve the accuracy of Raman measurements.
Two other options are available: the OOA-RAMAN-SH sample holder for vial and cuvette measurements; and the multipurpose OOA-HOLDER-RFA for Raman, fluorescence, absorbance and reflection measurements.