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Monolithic SU-8 Microcavities for Efficient Fluorescence Collection
Linköpings universitet, Institutionen för fysik, kemi och biologi, Tillämpad Fysik. Linköpings universitet, Tekniska fakulteten.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Tillämpad Fysik. Linköpings universitet, Tekniska högskolan.
2009 (engelsk)Inngår i: Procedia Chemistry, ISSN 1876-6196, Vol. 1, nr 1, s. 1115-1118Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The fabrication of capped microstructures such as channels or cavities typically involves multiple production steps. In this work we demonstrate a fabrication procedure that enables the generation of capped monolithic microstructures of arbitrary geometry in one single exposure step. The presented method also enables the embedment of metal self-aligned surfaces for use as electrodes or mirrors. The devices furthermore demonstrate a capability of increasing fluorescent collection, as measured by an epifluorescent inverted microscope, by up to 15 fold.

sted, utgiver, år, opplag, sider
ELSEVIER SCIENCE BV , 2009. Vol. 1, nr 1, s. 1115-1118
Emneord [en]
Fluorescence; microfluidics; SU-8; Fresnel diffraction
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-58422DOI: 10.1016/j.proche.2009.07.278ISI: 000275995600056OAI: oai:DiVA.org:liu-58422DiVA, id: diva2:343207
Merknad

Proceedings of the Eurosensors XXIII conference.

Tilgjengelig fra: 2010-08-12 Laget: 2010-08-11 Sist oppdatert: 2015-06-01
Inngår i avhandling
1. Integrated Optical Solutions for Ubiquitous Sensing
Åpne denne publikasjonen i ny fane eller vindu >>Integrated Optical Solutions for Ubiquitous Sensing
2010 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Ubiquitous chemical sensing aims at exploiting consumer electronic devices as temporary chemical sensing platforms. These devices are a highly disseminated infrastructure, not presently being exploited for chemical sensing purposes. The goal of the ubiquitous chemical sensing field is to create the methodologies and adapted devices to profit from this unexploited resource.

DVD drives, flat bed scanners and computer screens used in combination with web cameras, and mobile phones have been demonstrated as measuring platforms, during the past 10 years.

In particular the combination of computer screens with web cameras, a technique called the computer screen photo-assisted technique (CSPT), is the most versatile approach to support multiple types of optical detection phenomena, and together with mobile phones are the most ubiquitous type of platforms.

The versatility of CSPT comes from the ease with which one can configure a spectrally controlled, 2D micro-positioned, linearly polarized, wide angle and internally modulated illumination with a programmable screen, just by controlling the displayed contents. Concurrently, the imaging devices in CSPT enable one to capture arbitrary assay layouts, the evaluation of which can then be numerically customized.

The full exploitation of the CSPT platform requires optically adapted sensing interfaces and specialized methods, in order to increase sensitivity and make use of all available information, for a thorough and complete chemical sensing analysis. In this thesis I have explored the foundations of CSPT sensing on integrated devices, developing methods and sensing’s interfaces that provide enhanced optical detection customized to the CSPT platform.

sted, utgiver, år, opplag, sider
Linköping: Linköping University Electronic Press, 2010. s. 63
Serie
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1355
HSV kategori
Identifikatorer
urn:nbn:se:liu:diva-63709 (URN)978-91-7393-269-1 (ISBN)
Disputas
2010-12-15, Plank, E-huset, Campus Valla, Linköpings universitet, Linköping, 10:15 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2010-12-30 Laget: 2010-12-30 Sist oppdatert: 2011-01-03bibliografisk kontrollert

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