NIRaman Fiber Probe

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

Description

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 modelling opportunities that yield novel insights in the field of spectroscopy. The probe shaft is electrically heated to prevent moisture condensation on optical windows.

For more information please visit our “Downloads” section and find relative articles at our “Publications” page.

Specs

Specification for NIRaman probe system (Other technology combinations on request)
	Probe Shaft
Material: Stainless Steel 1.4435 (316L) Outer Diameter: 19,0+0/-0,1mm Length: 170mm	Window: Sapphire or Cubic Zirconia, heated Glue: Epotek 353ND or similar Separate NIR and Raman channels
Raman Channel	NIR Channel
Fibers: low OH silica fibers with metal coating to suppress laser induced fluorescence.	Fibers: low OH silica fibers
Laser Wavelength: 785nm	Stray Light: less than 1%
Connector 1: FC (launch fiber – 105μm core)	Illumination bundle: 32x NIR400/440 NA=0.22 Detection fiber: 1x NIR400/440 NA=0.22
Connector 2: MTP-Male with 48 x 105μm fibers	Connector 1: SMA905
Capable to pass USP requirements (tested on Kaiser RXAndor DVA420A-OE and RXn4 Raman-Spectrometer).	Connector 2: 5mm ferrule
Fiber Length: 3+/-0,1m	Capable to Capable to pass USP requirements (tested on Sentronic Sentropat system)

Common Parameters of Raman Fiber Optic Probes
Laser Wavelength	Multi-wavelength excitation: 630-785 nm Standard (ideal for use with dual-lasers, e.g. 680 + 785 nm). Single-wavelength excitation: 532 and 785 nm Standard. Other configurations on request: 405, 473, 488, 514, 532, 633, 670, 780, 785, 830, 1064 nm
Laser Spot at the sample	collimated beam (OD ~ 3 mm) or focused beam (OD ~ 0.2 mm) other configurations on request
Spectral Range Cut-Off	805 nm (300 cm-1 for 785 nm laser) – for Multi-wavelength 792 nm (100 cm-1 for 785 nm laser) – for Single-wavelength
Filter Efficiency	Optical Density > 6 for Laser rejection Transmission > 95% for Raman shift
Laser Transmission	> 80%
Fiber type	Laser – NIR105/125 NA=0.22 Detector – NIR200/220 NA=0.22
Window Material	Sapphire AR coated
Lens Material	Fused Silica AR coated
Window Sealing Material	Epoxy glue
Probe Shaft & Body Material	Stainless Steel
Sealing Material	FPM (Viton)
Shaft Size	OD = 12 mm, length = 200±5mm OD = 6 mm, length = 100±5mm
Fiber Length	1.2m + 2 legs of 0.5m each
Total Length (shaft + fiber)	2.00 ± 0.05m
Input / Output Connectors	FC/PC or SMA905
Protection	Liquid Tight Protection (LTP)
Operating temperatures	from -20°C to 200°C (up to 300°C on request)
Pressure (max)	100 Bar