Integrated optic chemical sensor for the simultaneous detection and quantification of multiple ions. Final report, March--September 1995

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This final report summarizes the work performed by Physical Optics Corporation (POC) on the DOE contract entitled {open_quotes}Integrated Optic Chemical Sensor for the Simultaneous Detection and Quantification of Multiple Metal Ions{close_quotes}. This project successfully demonstrated a multi-element integrated optic chemical sensor (IOCS) system capable of simultaneous detection and quantification of metal ions in a water flow stream. POC`s innovative integrated optic chemical sensor technology uses an array of chemically active optical waveguides integrated in parallel in a single small IOCS chip. The IOCS technique uses commonly available materials and straightforward processing to produce channel waveguides in porous glass, each channel ... continued below

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93 p.

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Mendoza, E. September 1, 1995.

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Description

This final report summarizes the work performed by Physical Optics Corporation (POC) on the DOE contract entitled {open_quotes}Integrated Optic Chemical Sensor for the Simultaneous Detection and Quantification of Multiple Metal Ions{close_quotes}. This project successfully demonstrated a multi-element integrated optic chemical sensor (IOCS) system capable of simultaneous detection and quantification of metal ions in a water flow stream. POC`s innovative integrated optic chemical sensor technology uses an array of chemically active optical waveguides integrated in parallel in a single small IOCS chip. The IOCS technique uses commonly available materials and straightforward processing to produce channel waveguides in porous glass, each channel treated with a chemical indicator that responds optically to heavy metal ions in a water flow stream. The porosity of the glass allows metal ions present in the water to diffuse into the glass and interact with the immobilized indicators, producing a measurable optical chance. For the {open_quotes}proof-of-concept{close_quotes} demonstration, POC designed and fabricated two types of IOCS chips. Type I uses an array of four straight channel waveguides, three of which are doped with a metal sensitive indicator, an ionophore. The undoped fourth channel is used as the reference channel. Type II uses a 1 x 4 star coupler structure with three sensing channels and a reference channel. Successful implementation of the IOCS technology is expected to have a broad impact on water quality control as well as in the commercial environmental monitoring market. Because of the self-referenced, multidetection capability of the IOCS technique, POC`s water quality sensors are expected to find markets in environmental monitoring and protection, ground water monitoring, and in-line process control. Specific applications include monitoring of chromium, copper, and iron ions in water discharged by the metal plating industry.

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93 p.

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OSTI as DE96004474

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  • Other Information: PBD: Sep 1995

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  • Other: DE96004474
  • Report No.: DOE/MC/32111--5193
  • Grant Number: AR21-95MC32111
  • DOI: 10.2172/254978 | External Link
  • Office of Scientific & Technical Information Report Number: 254978
  • Archival Resource Key: ark:/67531/metadc669612

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  • September 1, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 7, 2015, 5:36 p.m.

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Mendoza, E. Integrated optic chemical sensor for the simultaneous detection and quantification of multiple ions. Final report, March--September 1995, report, September 1, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc669612/: accessed May 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.