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FiPOS ATR Fiber Probes
FiPOS product line from Ostec & MIR photonics is a cluster of innovative fiber optic probes and fiber probe couplers designed for in-line analytical analysis in a wide spectral range from UV to Mid-IR (550 cmˉ¹ to 55 550 cmˉ¹).
FiPOS family of immersion fiber probes includes ATR, transmission, transflection, fluorescent, and diffuse reflection probes all compatible with any FT-MIR, FT-NIR or dispersion spectrometer, process-photometer, IR-LED, or QCL spectral sensor to use in-line for PAT applications.
FiPOS Fiber Probe Couplers (FPC) couple any FTIR spectrometer with various fiber optic probes and upgrade it to eliminate sampling and to run reaction monitoring in-line. Our fiber probe couplers provide high coupling efficiency for ATR – absorption, transmission, or reflection process-spectroscopy in a wide spectral range from UV to Mid-IR to use fiber-coupled FTIR not only with LN-cooled MCT detectors but with TE-cooled MCT and uncooled IR detectors as well.
Application fields
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FiPOS fiber optic ATR probes advantages
FiPOS probes design is cleanable for many processes where probe optics can be contaminated by media. Industrial probes are compatible with process interfaces SensoGate-FOS and Ceramat-FOS with approved fittings to secure their semi or full automated use in complete process control systems. They can be retracted, cleaned, and calibrated during chemical process to enable remote process-control in any liquid, gas, or solid mixtures under harsh environmental conditions.
Combined with FTIR spectrophotometers, our fiber probes facilitate qualitative and quantitative product analysis and enable the determination of specific chemical and physical properties.
We offer two categories of FiPOS product portfolio: standard and customized.
The standard products consist of pre-configured probes and probe couplers, which can be implemented in the laboratory, pilot plants, or in production.
The customized products allow users to custom configure fiber probes and couplers based on their unique process requirements.
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The most important issue in the FTIR analysis is right choice of type of the ATR fiber probe. The best probe type depends on the nature of the sample and environment conditions.
Regardless of the fiber probe, the concept is still the same – light from the FTIR analyzer is guided by the optical fiber probe onto the sample. From there the light with the sample spectra is captured by a fiber optic detection line and returned to the analyzer where the data is analyzed. |
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Beam tracing is very simple – the radiation goes from the input fiber to the ATR crystal, is reflected (once or several times) from the ATR tip surface, and focuses back to the output fiber coupled to the spectrometer detector.
Partial penetration of IR-light in media of ATR-tip contains its absorption spectra.
The ATR crystal is reliably fixed inside metal or polymer parts of the tip, sealed with polymer ring and can not fall away. |
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ATR probe consists of: ATR crystal tip at the end of immersible part (so-called shaft) and Mid-IR optical fiber bifurcated to 2 legs with SMA connectors.
ATR crystal tip and Mid-IR optical fiber are the most important parts of the probe.
Probes with a metal shaft and robust stainless steel protective conduit are suitable for reaction monitoring in the plant and in a lab reactor.
Probes with polymer shaft and replaceable ATR tips are suitable for lab applications.
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Special design for lab application
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Standard probes |
High temperature probes |
Sterilizable probes |
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Probes for lab applications |
Touch probes |
Loop probes |
Near & Mid-IR fiber ATR probes produced for any type of FT-NIR, FT-IR and other IR spectrometers, photometers and IR-LED or QCL spectral sensors.
ATR immersion fiber optic probes with patented design are suitable for reaction monitoring in lab, pilot plant and for full automated process control.
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Main features
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Applications
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Fiber optic ATR probes for harsh environments can be used for process-spectroscopy in Near & Mid IR range to monitor reactions in-line in a broad temperature range from -150°C to +250°C. They can resist high pressures up to 200 Bar and used with FTIR or any other IR spectrometers and spectral sensors in automated process control with process-interfaces.
The air flow cools polycrystalline fibers inside the probe shaft. A thermocouple controls the shaft temperature.
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Main features
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Applications
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Sterilizable ATR fiber probes are produced with any type of ATR element and for any type of FTIR spectrometers.
The unique shaft-in-shaft design allows the ATR sensor to be used in bioprocesses where sterilization is required, without forgetting the famous benefits of Mid-IR FTIR spectroscopy.
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Main features
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Applications
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ATR probes for laboratory applications with PEEK shaft are cost effective and perfect to use in small lab reactors and open vessels. They do not contain metal parts in the tip and can be used for the monitoring of electrochemical reactions, potentiometric cells, measurements in high-frequency fields.
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Main features
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Applications
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Touch probes are built with a flat ATR tip and are intended for the measurement of pellets, polymers, powders, etc.
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Fiber optic ATR loop probes
ATR loop PIR fiber probes are perfect for remote analysis of composition of liquids, pastes and soft surfaces with no need for sample preparation. An unusual ATR tip is a polycrystalline fiber loop. It is attached to fibers and is replaceable or disposable. Loop fiber probe is the simplest one to enable low-cost ATR spectroscopy.
Kits of 5 or 10 fiber loop tips can be purchased separately to be used with the fiber probe bought once. Loop tips can be made with several fiber turns to enhance sensitivity of such tip.
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Main features
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Applications
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