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AOTF NIR Process Control Analyzers
Brimrose's rugged and high performance on-line AOTF NIR process spectrometers deliver fast-responding and multi-component analysis for a variety of process applications throughout the pharmaceutical, food & dairy, chemical, polymer, petrochemicals, agricultural, pulp & paper, wine industries and military. The AOTF technology enables the Brimrose spectrometers to scan very fast and without using moving parts. This makes it the ideal tool for real-time, on-line industrial process control. These analyzers meet all requirements and standards for on-line applications in and are built to work reliably even in long term harsh production environments.

If you require further information on the NIR topics, or any other aspects of AOTF technology, contact our applications engineers and corporate partners worldwide. They will be happy to answear your questions and support you with data and literature on specific Brimrose products.
AOTF NIR Applications, Technology Review, and Benefits
These AOTF NIR Analyzers meet all customers' requirements and standards for on-line applications.
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Brimrose AOTF Spectrometer's Competitive Advantages

Although systems using other technologies have been successfully deployed, AOTF technology is unique in its ability to satisfy all the criteria for hands-off NIR spectroscopy in the industrial environment. An AOTF is an optical device that is based upon the acoustic diffraction of light in an an-isotropic medium. Near Infrared Spectroscopy is currently being used as a quantitative tool which relies on chemometrics to develop calibrations relating a reference analysis of the constituent to that of the NIR optical spectrum with a high degree of wavelength resolution in near-real time.

Brimrose’s AOTF NIR technology has several advantages over standard spectroscopic systems as follows:
  • Rugged, Compact Device
  • Solid State: a lifetime of more than five years at normal duty cycles without damage to the crystal
  • No Moving Parts, Immune to Vibrations
  • Pre-aligned: does not require periodic alignment at normal duty cycles
  • Very Fast: more than 30 scans/sec 1200-2300 nm
  • Excellent Wavelength Repeatability
  • Real Time Dual Beam
  • High Signal-to-Noise Ratio
  • Immune to Ambient Light Variations
  • Work Reliably Even in Harsh Environmental Conditions
Benefits of AOTF Real-Time Monitoring and Control
  • Extensive Testing and Analyses at Every Manufacturing Process at Lower Cost than Existing Practices
  • Significant Manufacturing Cost Reduction
  • Reduction of Product Inventory
  • The Elimination of Off-Line Testing
  • Quality Control at Time of Manufacture
  • Statistical Process Control
  • Compliance at Point of Use