Novel combination of digital light processing (DLP) and light-addressable potentiometric sensors (LAPS) for flexible chemical imaging

Torsten Wagner, Ko Ichiro Miyamoto, Michael J. Schöning, Tatsuo Yoshinobu

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Chemical imaging systems allow the visualisation of the distribution of chemical species on the sensor surface. This work represents a new flexible approach of read out in a light-addressable potentiometric sensor (LAPS) with the help of a digital light processing (DLP) set-up. The DLP, known well for video projectors, consists of a mirror-array MEMS device which allows fast and flexible generation of light patterns. With the help of these light patterns the sensor surface of the LAPS device can be read out sequentially in a raster like scheme (scanning LAPS). The DLP approach has several advantages compared to conventional scanning LAPS set-ups, e.g., the spot size, the shape and the intensity of the light pointer can be changed easily and no mechanical movement is necessary, which reduces the size of the set-up and increases the stability and speed of measurement.

本文言語English
ページ(範囲)520-523
ページ数4
ジャーナルProcedia Engineering
5
DOI
出版ステータスPublished - 2010

ASJC Scopus subject areas

  • 工学(全般)

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