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Low Threshold Organic Semiconductor Lasers

Author: Yue Wang

Publisher: Springer Science & Business Media

Published: 2013-10-01

Total Pages: 174

ISBN-13: 3319012673

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This thesis focuses on two areas - the development of miniature plastic lasers that can be powered by LEDs, and the application of these lasers as highly sensitive sensors for vapours of nitroaromatic explosives (e.g. TNT). Polymer lasers are extremely compact visible lasers; the research described in the thesis is groundbreaking, driving forward the technology and physical understanding to allow these lasers to be routinely pumped by a single high-power LED. A notable advance in the work is the demonstration of nanoimprinted polymer lasers, which exhibit the world's lowest pump threshold densities by two orders of magnitude. The thesis also advances the application of these compact, novel lasers as highly sensitive detectors of explosive vapours, demonstrating that rapid detection can be achieved when microporous polymers are used. This work also demonstrates a prototype CMOS-based microsystem sensor for explosive vapours, exploiting a new detection approach.

Book Synopsis Low Threshold Organic Semiconductor Lasers by : Yue Wang

Download or read book Low Threshold Organic Semiconductor Lasers written by Yue Wang and published by Springer Science & Business Media. This book was released on 2013-10-01 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on two areas - the development of miniature plastic lasers that can be powered by LEDs, and the application of these lasers as highly sensitive sensors for vapours of nitroaromatic explosives (e.g. TNT). Polymer lasers are extremely compact visible lasers; the research described in the thesis is groundbreaking, driving forward the technology and physical understanding to allow these lasers to be routinely pumped by a single high-power LED. A notable advance in the work is the demonstration of nanoimprinted polymer lasers, which exhibit the world's lowest pump threshold densities by two orders of magnitude. The thesis also advances the application of these compact, novel lasers as highly sensitive detectors of explosive vapours, demonstrating that rapid detection can be achieved when microporous polymers are used. This work also demonstrates a prototype CMOS-based microsystem sensor for explosive vapours, exploiting a new detection approach.

Low Threshold Organic Thin Film Laser Devices

Author: Christian Karnutsch

Publisher: Cuvillier Verlag

Published: 2007

Total Pages: 155

ISBN-13: 3867273065

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Book Synopsis Low Threshold Organic Thin Film Laser Devices by : Christian Karnutsch

Download or read book Low Threshold Organic Thin Film Laser Devices written by Christian Karnutsch and published by Cuvillier Verlag. This book was released on 2007 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low Threshold Organic Semiconductor Lasers and Their Application as Explosive Sensors

Author:

Publisher:

Published: 2012

Total Pages: 262

ISBN-13:

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Book Synopsis Low Threshold Organic Semiconductor Lasers and Their Application as Explosive Sensors by :

Download or read book Low Threshold Organic Semiconductor Lasers and Their Application as Explosive Sensors written by and published by . This book was released on 2012 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Organic Solid-State Lasers

Author: Sébastien Forget

Publisher: Springer

Published: 2013-07-03

Total Pages: 179

ISBN-13: 3642367054

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Organic lasers are broadly tunable coherent sources, potentially compact, convenient and manufactured at low-costs. Appeared in the mid 60’s as solid-state alternatives for liquid dye lasers, they recently gained a new dimension after the demonstration of organic semiconductor lasers in the 90's. More recently, new perspectives appeared at the nanoscale, with organic polariton and surface plasmon lasers. After a brief reminder to laser physics, a first chapter exposes what makes organic solid-state organic lasers specific. The laser architectures used in organic lasers are then reviewed, with a state-of-the-art review of the performances of devices with regard to output power, threshold, lifetime, beam quality etc. A survey of the recent trends in the field is given, highlighting the latest developments with a special focus on the challenges remaining for achieving direct electrical pumping of organic semiconductor lasers. A last chapter covers the applications of organic solid-state lasers.

Book Synopsis Organic Solid-State Lasers by : Sébastien Forget

Download or read book Organic Solid-State Lasers written by Sébastien Forget and published by Springer. This book was released on 2013-07-03 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic lasers are broadly tunable coherent sources, potentially compact, convenient and manufactured at low-costs. Appeared in the mid 60’s as solid-state alternatives for liquid dye lasers, they recently gained a new dimension after the demonstration of organic semiconductor lasers in the 90's. More recently, new perspectives appeared at the nanoscale, with organic polariton and surface plasmon lasers. After a brief reminder to laser physics, a first chapter exposes what makes organic solid-state organic lasers specific. The laser architectures used in organic lasers are then reviewed, with a state-of-the-art review of the performances of devices with regard to output power, threshold, lifetime, beam quality etc. A survey of the recent trends in the field is given, highlighting the latest developments with a special focus on the challenges remaining for achieving direct electrical pumping of organic semiconductor lasers. A last chapter covers the applications of organic solid-state lasers.

Organic Semiconductor Lasers

Author: Ying Yang

Publisher:

Published: 2010

Total Pages: 221

ISBN-13:

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Book Synopsis Organic Semiconductor Lasers by : Ying Yang

Download or read book Organic Semiconductor Lasers written by Ying Yang and published by . This book was released on 2010 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Organic Lasers

Author: Marco Anni

Publisher: CRC Press

Published: 2018-05-24

Total Pages: 444

ISBN-13: 1351591746

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In the past 30 years, organic conjugated molecules have received a lot of attention in research because of their unique combination of active properties typical of semiconductors and the technological appeal typical of plastic materials. Among the different applications proposed for organic materials, organic lasers are quickly approaching the performance required in real devices, while research on novel active materials is still ongoing. The book covers the basic aspects of the measurement techniques of optical gain and amplified spontaneous emission (ASE) in organic films as well as the photophysics of organic materials that can be understood using ASE measurements. It reviews the recent advances in the development of new active materials for organic lasers as well as the actual state of the art of scattering-assisted random lasers and of strongly coupled organic microcavities, both promising interesting developments in the near future. Finally, it gives a detailed review of the state of the art of the organic lasers actually closest to real applications, namely external cavity lasers and distributed feedback lasers. The book is unique that it covers basic aspects, technological aspects, and systems, which are still a subject of basic science research.

Book Synopsis Organic Lasers by : Marco Anni

Download or read book Organic Lasers written by Marco Anni and published by CRC Press. This book was released on 2018-05-24 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past 30 years, organic conjugated molecules have received a lot of attention in research because of their unique combination of active properties typical of semiconductors and the technological appeal typical of plastic materials. Among the different applications proposed for organic materials, organic lasers are quickly approaching the performance required in real devices, while research on novel active materials is still ongoing. The book covers the basic aspects of the measurement techniques of optical gain and amplified spontaneous emission (ASE) in organic films as well as the photophysics of organic materials that can be understood using ASE measurements. It reviews the recent advances in the development of new active materials for organic lasers as well as the actual state of the art of scattering-assisted random lasers and of strongly coupled organic microcavities, both promising interesting developments in the near future. Finally, it gives a detailed review of the state of the art of the organic lasers actually closest to real applications, namely external cavity lasers and distributed feedback lasers. The book is unique that it covers basic aspects, technological aspects, and systems, which are still a subject of basic science research.

Organic Light Emitting Devices

Author: Klaus Müllen

Publisher: John Wiley & Sons

Published: 2006-05-12

Total Pages: 426

ISBN-13: 3527607234

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This high-class book reflects a decade of intense research, culminating in excellent successes over the last few years. The contributions from both academia as well as the industry leaders combine the fundamentals and latest research results with application know-how and examples of functioning displays. As a result, all the four important aspects of OLEDs are covered: - syntheses of the organic materials - physical theory of electroluminescence and device efficiency - device conception and construction - characterization of both materials and devices. The whole is naturally rounded off with a look at what the future holds in store. The editor, Klaus Muellen, is director of the highly prestigious MPI for polymer research in Mainz, Germany, while the authors include Nobel Laureate Alan Heeger, one of the most notable founders of the field, Richard Friend, as well as Ching Tang, Eastman Kodak's number-one OLED researcher, known throughout the entire community for his key publications.

Book Synopsis Organic Light Emitting Devices by : Klaus Müllen

Download or read book Organic Light Emitting Devices written by Klaus Müllen and published by John Wiley & Sons. This book was released on 2006-05-12 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This high-class book reflects a decade of intense research, culminating in excellent successes over the last few years. The contributions from both academia as well as the industry leaders combine the fundamentals and latest research results with application know-how and examples of functioning displays. As a result, all the four important aspects of OLEDs are covered: - syntheses of the organic materials - physical theory of electroluminescence and device efficiency - device conception and construction - characterization of both materials and devices. The whole is naturally rounded off with a look at what the future holds in store. The editor, Klaus Muellen, is director of the highly prestigious MPI for polymer research in Mainz, Germany, while the authors include Nobel Laureate Alan Heeger, one of the most notable founders of the field, Richard Friend, as well as Ching Tang, Eastman Kodak's number-one OLED researcher, known throughout the entire community for his key publications.

Organic Semiconductor Lasers and Tailored Nanostructures for Raman Spectroscopy

Author: Liu, Xin

Publisher: KIT Scientific Publishing

Published: 2015-06-19

Total Pages: 248

ISBN-13: 3731503700

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This work presents the application of organic semiconductor distributed feedback laser as free-space excitation source in Raman spectroscopy. Surface-enhanced Raman scattering effect is exploited to improve the detection sensitivity. The SERS conditionis achiedved by using substrates consisting of gold-coated polymeric nanopillar arrays. The organic-laser-excited SERS measurements are applied to verify the concentration variation of biomolecule adenosine in aqueous solutions.

Book Synopsis Organic Semiconductor Lasers and Tailored Nanostructures for Raman Spectroscopy by : Liu, Xin

Download or read book Organic Semiconductor Lasers and Tailored Nanostructures for Raman Spectroscopy written by Liu, Xin and published by KIT Scientific Publishing. This book was released on 2015-06-19 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the application of organic semiconductor distributed feedback laser as free-space excitation source in Raman spectroscopy. Surface-enhanced Raman scattering effect is exploited to improve the detection sensitivity. The SERS conditionis achiedved by using substrates consisting of gold-coated polymeric nanopillar arrays. The organic-laser-excited SERS measurements are applied to verify the concentration variation of biomolecule adenosine in aqueous solutions.

One- and Two-photon Pumped Organic Semiconductor Lasers

Author: Georgios Tsiminis

Publisher:

Published: 2010

Total Pages: 344

ISBN-13:

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Book Synopsis One- and Two-photon Pumped Organic Semiconductor Lasers by : Georgios Tsiminis

Download or read book One- and Two-photon Pumped Organic Semiconductor Lasers written by Georgios Tsiminis and published by . This book was released on 2010 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Low Threshold Organic and Quantum Dot Nanobeam Lasers

Author: Thomas Stephen Mahony

Publisher:

Published: 2014

Total Pages: 79

ISBN-13:

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Lasers in the visible spectrum have many applications including sensing, medical, and entertainment applications. Traditional semiconductors face challenges that limit their ability to create lasers for the visible spectrum. Organic materials and quantum (lots are an attractive alternative for visible lasers due to their broad, tunable emission and deposition using fabrication techniques of low complexity. These materials have been used to demonstrate low lasing thresholds, and we hope to improve upon them with a novel design, paving the way towards electrically pumped and continuous wave operation lasing. In this thesis we couple the use of organic materials and quantum dots with one dimensional nanobeam photonic crystal cavities to design lasers for the visible spectrum. We cover the theory behind generation of optical gain and lasing as well as the theory of photonic crystals. We outline a strategy for designing laser cavities using the chosen gain materials. Finally, we demonstrate a low lasing threshold of 4.2 [mu]J/cm2 for our organic lasers.

Book Synopsis Low Threshold Organic and Quantum Dot Nanobeam Lasers by : Thomas Stephen Mahony

Download or read book Low Threshold Organic and Quantum Dot Nanobeam Lasers written by Thomas Stephen Mahony and published by . This book was released on 2014 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasers in the visible spectrum have many applications including sensing, medical, and entertainment applications. Traditional semiconductors face challenges that limit their ability to create lasers for the visible spectrum. Organic materials and quantum (lots are an attractive alternative for visible lasers due to their broad, tunable emission and deposition using fabrication techniques of low complexity. These materials have been used to demonstrate low lasing thresholds, and we hope to improve upon them with a novel design, paving the way towards electrically pumped and continuous wave operation lasing. In this thesis we couple the use of organic materials and quantum dots with one dimensional nanobeam photonic crystal cavities to design lasers for the visible spectrum. We cover the theory behind generation of optical gain and lasing as well as the theory of photonic crystals. We outline a strategy for designing laser cavities using the chosen gain materials. Finally, we demonstrate a low lasing threshold of 4.2 [mu]J/cm2 for our organic lasers.