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Industrial terahertz system uses non-contact, non-radioactive sensor

Posted: 13 Jan 2011 ?? ?Print Version ?Bookmark and Share

Keywords:quality and process control? terahertz system? non-contact sensor? fiber coupled transmitters?

Advanced Photonix Inc. (API) announced that its terahertz system, the T-Ray 4000, will be deployed on a factory line for quality and process control at a major manufacturer of extruded web products. This advancement in terahertz deployment offers industrial applications now under development to assist manufacturers enhance their process control while using a non-contact sensor that has no radioactive sources or no ionizing radiation.

API has commercialized terahertz technology by its deployment to the factory floor through the use of its patented fiber coupled transmitters and receivers. This technology gives the end user the flexibility to mount the sensors on a scanning frame without contacting or impeding the product, and to collect more information and data to manage the manufacturing process for tighter tolerances, saving material and increasing quality control.

The T-Ray 4000 produces ultra short pulses of terahertz light that allow a variety of unique and novel applications including simultaneously determining thicknesses of multiple layers, density of individual layers and looking for voids or de-laminations between multiple layers. The excellent signal to noise ratio of the T-Ray platform permits even thick samples to be scanned effectively.

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