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tecRaman Optical Bench

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Description

The tecRaman spectrometer is a high-performance Raman 785nm imaging spectrometer platform engineered by tec5USA, built around a high transmission, scientific-grade VPH grating with collimating and focusing optics.

This Raman optical bench achieves an impressive resolution of 7cm-1, covering a wide spectral range of 300 to 3,100cm-1.

Throughput and signal collection are maximized thanks to the custom fiberoptic round-to-line cross-sectional converter, collecting a round spot from a Raman probe output and presenting the signal as a narrow line at the spectrometer entrance.

The tecRaman spectrometer is configured with a high-end, high-sensitivity, low-noise back-thinned TE-cooled CCD sensor, which height is matched with the height of the fiber converter for best signal collection. Other sensors can be adapted upon request to meet specific user requirements in terms of signal collection, spectral coverage, cooling performance, frame rate and budget.

Enhanced and maximized throughput, thanks to components perfectly matched with each other at every stage of the design process, means shorter exposure times, a critical advantage in process control and closed feedback loop operation.

This optimized Raman optical bench is at the core of tec5USA’s Raman OEM solutions and online Raman analyzers. Customized versions are possible with multi-fiber / multi-channel options.

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Features

  • Scientific-grade Volume Phase Holographic (VPH) transmission grating for highest efficiency dispersion.
  • Fiberoptic cross-sectional converter input for maximum signal collection.
  • Highly efficient and sensitive, back-thinned CCD detector (TE-cooled).
    1024x64 effective pixels enabling high Raman peak resolution and accuracy.

Advantages

  • Imaging-grade Raman platform allowing for multi-fiber / multi-channel / multi-probe operation.
  • Modular optical bench adaptable to different sensors and electronics.
  • Configurable with tec5USA’s OEM and process Raman probes, flow cells and cuvettes.

Specifications

  • Model Raman 785nm
  • Spectral range 300 – 3,100 cm-1, defined by longpass filters.
  • Resolution (best) 7cm-1
  • Grating Scientific-grade Volume Phase Holographic (VPH) transmission grating
  • Input Fiberoptic cross-sectional converter input for maximum signal collection
  • Sensor TE-cooled back-thinned CCD detector
    1024 x 64 pixels
  • Integration time 3 ms to 10 min
  • Option Integrated mechanical shutter for dark acquisition

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