Dual Wavelength Measurement System for Wavelength-Selective Absorbance Chemical Sensing

D. Izquierdo; M. Puyol; I. Salinas; R. Alonso; J. Alonso; C. Domínguez; I. Garcés

doi:10.1088/0957-0233/18/11/026

Dual Wavelength Measurement System for Wavelength-Selective Absorbance Chemical Sensing

D. Izquierdo^*, M. Puyol, I. Salinas, R. Alonso, J. Alonso, C. Domínguez, I. Garcés

^*Corresponding author for this work

Research output: Contribution to journal › Article › Research › peer-review

6 Citations (Scopus)

Abstract

A novel compact dual-wavelength measurement system for absorbance chemical sensing incorporating digital lock-in amplifiers is reported. Its main innovation is the introduction of a reference wavelength to correct the possible non-specific optical changes of the system. The performance of the instrumentation has been tested on a laboratory setup and with integrated optical absorbance sensors.

Original language	English
Pages (from-to)	3443-3450
Number of pages	8
Journal	Measurement Science and Technology
Volume	18
Issue number	11
DOIs	https://doi.org/10.1088/0957-0233/18/11/026
Publication status	Published - 1 Nov 2007

Keywords

Absorbance measurement
Digital signal processor
DSP
Dual-wavelength measurement
Lock-in amplification

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10.1088/0957-0233/18/11/026

Cite this

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abstract = "A novel compact dual-wavelength measurement system for absorbance chemical sensing incorporating digital lock-in amplifiers is reported. Its main innovation is the introduction of a reference wavelength to correct the possible non-specific optical changes of the system. The performance of the instrumentation has been tested on a laboratory setup and with integrated optical absorbance sensors.",

keywords = "Absorbance measurement, Digital signal processor, DSP, Dual-wavelength measurement, Lock-in amplification",

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AU - Izquierdo, D.

AU - Puyol, M.

AU - Salinas, I.

AU - Alonso, R.

AU - Alonso, J.

AU - Domínguez, C.

AU - Garcés, I.

PY - 2007/11/1

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N2 - A novel compact dual-wavelength measurement system for absorbance chemical sensing incorporating digital lock-in amplifiers is reported. Its main innovation is the introduction of a reference wavelength to correct the possible non-specific optical changes of the system. The performance of the instrumentation has been tested on a laboratory setup and with integrated optical absorbance sensors.

AB - A novel compact dual-wavelength measurement system for absorbance chemical sensing incorporating digital lock-in amplifiers is reported. Its main innovation is the introduction of a reference wavelength to correct the possible non-specific optical changes of the system. The performance of the instrumentation has been tested on a laboratory setup and with integrated optical absorbance sensors.

KW - Absorbance measurement

KW - Digital signal processor

KW - DSP

KW - Dual-wavelength measurement

KW - Lock-in amplification

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ER -

Dual Wavelength Measurement System for Wavelength-Selective Absorbance Chemical Sensing

Abstract

Keywords

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