NIRaman Combi Probes


FlexiSpec® product line includes innovating NIRaman Combi probes. Raman and NIR spectra contain qualitative and quantitative information on the chemical composition and physical properties of the substance. Both are able to provide critical product and process information during production.

Multichannel fiber optic probes (patent pending), have been developed by art photonics in cooperation with “Measure Analyze Control”. The first commercial version was designed for in situ NIR diffuse reflectance and Raman measurements of solids, powders, or liquids.

The unique feature of the probe is that NIR and Raman channels can work simultaneously providing hybrid modeling opportunities that yield novel insights in the field of spectroscopy.

Main Features:

  • Multichannel fiber optic probes
  • NIR and Raman channels can work simultaneously providing hybrid modelling opportunities
  • On-line Raman and NIR spectroscopy
  • Flexible and robust for industrial applications in harsh environment
  • Compatible with all Raman and NIR spectrometers


  • Reaction monitoring in real time
  • Process Analytical Technologies (PAT)
  • Analytical Characterization
  • Biopharmaceutical Analysis


Probe Shaft
Sealing Material Glue EPOTEK 353 ND
Window Sapphire
Probe Shaft OD = 19 +0/-0.1 mm, L = 170 mm
Shaft Material Stainless Steel 316L
Total Length 3 ± 0.05 m
Protection Tubing Liquid Tight Protection (LTP)
Temperature 0 - +150 °C
Pressure 0 - 10 Bar
NIR Diffuse Reflectance Channel
Illumination Bundle 19 x NIR400/440, NA=0.22 ± 0.02
Detection Fiber 1 x NIR400/440, NA=0.22 ± 0.02
Terminations 20 x SMA905
Raman Channel
Laser Wavelength 785 nm
Excitation Fiber 1 x NIR105/125, NA=0.22 ± 0.02
Detection Fiber 1 x NIR200/220, NA=0.22 ± 0.02
Terminations FC/PC, SMA905
Product Code Article-No. Spectral Range
NIRaman Combi Probe AP12242 400 - 2200 nm

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