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Sökning: onr:kv9hnm0rhpjmt8wd > Mid-infrared photon...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
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001kv9hnm0rhpjmt8wd
003SE-LIBR
00520191005120931.0
007cr ||| |||||
008191005s2019 sw |||||om|||o000 ||eng|c
020 z 9789178733033
024a http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2611882 uri
024a urn:nbn:se:kth:diva-2611882 urn
040 a MimerProde a
041a eng
042 9 EPLK
100a Ottonello Briano, Floria4 aut
2451 0a Mid-infrared photonic devices for on-chip optical gas sensingh [Elektronisk resurs]
264 1b KTH Royal Institute of Technology,c 2019
500 a Härtill 5 uppsatser
500 a Teknologie doktorsexamen
500 a Degree of Doctor of Philosophy
500 a Vinnova [2012-01233]
500 a Vinnova [2014-05246]
500 a Vinnova [2016-02328]
500 a Vinnova [2017- 05108]
500 a Stockholms läns landsting [20140751]
500 a Stockholms läns landsting [20150910]
500 a Stiftelsen för strategisk forskning (SSF) [GMT14-0071]
500 a EU, FP7, Sjunde ramprogrammet [267528]
500 a EU, Horisont 2020 [825272]
502 a Diss. (sammanfattning) Stockholm : Kungliga Tekniska högskolan, 2019
506a gratis
520 a Gas detection is crucial in a wide range of fields and applications, such as safety and process control in the industry, atmospheric sciences, and breath diagnostics. Optical gas sensing offers some key advantages, compared to other sensing methods such as electrochemical and semiconductor sensing: high specificity, fast response, and minimal drift. Wavelengths between 3 and 10 μm are of particular interest for gas sensing. This spectral range, called the mid-infrared (mid-IR), is also known as the fingerprint region, because several gas species can be identified by their sharp absorption lines in this region. The most relevant mid-IR-active gases are the trace gases carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), ammonia (NH3), and nitrous oxide (N2O). They are greenhouse gases, contributing to global warming. They are waste products of human activities and widely used in agriculture and industry. Therefore, it is crucial to accurately and extensively monitor them. However, traditional optical gas sensors with a free-space optical path configuration, are too bulky, power-hungry, and expensive to be widely adopted. This thesis presents mid-IR integrated photonic devices that enable the on-chip integration of optical gas sensors, with a focus on CO2 sensing. The reported technologies address the fundamental sensor functionalities: light-gas interaction, infrared light generation, and infrared light detection. The thesis introduces a novel mid-IR silicon photonic waveguide that allows a light path as long as tens of centimeters to fit in a volume smaller than a few cubic millimeters. Mid-IR CO2 spectroscopy demonstrates the high sensing performance of the waveguide. The thesis also explores the refractive index sensing of CO2 with a mid-IR silicon photonic micro-ring resonator. Furthermore, the thesis proposes platinum nanowires as low-cost infrared light sources and detectors that can be easily integrated on photonic waveguides. Finally, the thesis presents a large-area infrared emitter fabricated by highs-peed wire bonding and integrated in a non-dispersive infrared sensor for the detection of alcohol in breath. The technologies presented in this thesis are suited for cost-effective mass production and large-scale adoption. Miniaturized integrated optical gas sensors have the potential to become the main choice for an increasingly broad range of existing and new applications, such as portable, distributed, and networked environmental monitoring, and high-volume medical and consumer applications.
650 7a Engineering and Technology2 hsv
650 7a Electrical Engineering, Electronic Engineering, Information Engineering2 hsv
650 7a Other Electrical Engineering, Electronic Engineering, Information Engineering2 hsv
650 7a Teknik och teknologier2 hsv
650 7a Elektroteknik och elektronik2 hsv
650 7a Annan elektroteknik och elektronik2 hsv
650 7a Nano Technology2 hsv
650 7a Nanoteknik2 hsv
650 7a Medical Engineering2 hsv
650 7a Medical Equipment Engineering2 hsv
650 7a Medicinteknik2 hsv
650 7a Medicinsk apparatteknik2 hsv
650 7a Mechanical Engineering2 hsv
650 7a Other Mechanical Engineering2 hsv
650 7a Maskinteknik2 hsv
650 7a Annan maskinteknik2 hsv
650 7a Natural Sciences2 hsv
650 7a Physical Sciences2 hsv
650 7a Atom and Molecular Physics and Optics2 hsv
650 7a Naturvetenskap2 hsv
650 7a Fysik2 hsv
650 7a Atom- och molekylfysik och optik2 hsv
650 7a Chemical Sciences2 hsv
650 7a Analytical Chemistry2 hsv
650 7a Kemi2 hsv
650 7a Analytisk kemi2 hsv
650 7a Optics and Photonics2 kth
650 7a Optik och fotonik2 kth
650 7a Electrical Engineering2 kth
650 7a Elektro- och systemteknik2 kth
653 a mid-infrared
653 a mid-IR
653 a photonics
653 a silicon photonics
653 a gas sensing
653 a optical sensing
653 a optical gas sensing
653 a spectroscopy
653 a absorption
653 a dispersion
653 a carbon dioxide
653 a CO2
653 a CO2 sensing
653 a trace gas
653 a ethanol sensing
653 a alcohol sensing
653 a waveguide
653 a photonic waveguide
653 a ring resonator
653 a nanowire
653 a nanoheater
653 a emitter
653 a thermal source
653 a bolometer
653 a microbolometer
653 a thermal detector
653 a high frequency
653 a 3 omega method
653 a plasmonic
653 a platinum
653 a Kanthal
653 a silicon-on-insulator
653 a micro-electro-mechanical systems (MEMS)
653 a microfabrication
653 a microsystems
653 a microtechnology
653 a nanotechnology
655 7a government publication2 marcgt
700a Gylfason, Kristinn B.4 ths
700a Marris-Morini, Delphine4 opn
710a KTHb Skolan för elektroteknik och datavetenskap (EECS)4 pbl
7721 0i channel recordw 8sl288zl5qs93gz
7760 8i Annat formatz 9789178733033
8564 0u http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-261188
8564 0u http://kth.diva-portal.org/smash/get/diva2:1357381/FULLTEXT01
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