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Author: Christoph Dyroff Publisher: ISBN: 9783866443280 Category : Technology (General) Languages : en Pages : 0
Book Description
This book discusses the mechanical and opto-electronic design of laser spectrometers for measuring two very important atmospheric gases, namely water vapor and its isotopic ratios, and formaldehyde. For measuring water vapor, shot-noise limited sensitivity has been achieved by a careful choice of system components and data processing. For measuring formaldehyde, a selective sample modulation exploiting the Stark effect has been used to greatly improve the sensitivity.
Author: Christoph Dyroff Publisher: ISBN: 9783866443280 Category : Technology (General) Languages : en Pages : 0
Book Description
This book discusses the mechanical and opto-electronic design of laser spectrometers for measuring two very important atmospheric gases, namely water vapor and its isotopic ratios, and formaldehyde. For measuring water vapor, shot-noise limited sensitivity has been achieved by a careful choice of system components and data processing. For measuring formaldehyde, a selective sample modulation exploiting the Stark effect has been used to greatly improve the sensitivity.
Author: Cristian Ravariu Publisher: BoD – Books on Demand ISBN: 1789233046 Category : Technology & Engineering Languages : en Pages : 254
Book Description
The Green Electronics book is intended to stimulate people's thinking toward the new concepts of an environment-friendly electronics - the main challenge in the future. The book offers multiple solutions to push the classical electronic industry toward green concepts, aided by nanotechnologies, with revolutionary features that provide low power consumption in electronics, use biomaterials for integrated structures, and include environmental monitoring tools. Based on organic semiconductors/insulators without toxic precursors, green electronic technologies launched promising devices like OLED, OTFT, or nano-core-shell transistors. The Green Electronics book successfully presents the recent directions collected worldwide and leaves free space for continuing year by year with new subtopics.
Author: Thomas Vallaitis Publisher: KIT Scientific Publishing ISBN: 3866447485 Category : Computers Languages : en Pages : 290
Book Description
In this book, nonlinear silicon-organic hybrid waveguides and quantum dot semiconductor optical amplifiers are investigated. Advantageous applications are identified, and corresponding proof-of-principle experiments are performed. Highly nonlinear silicon-organic hybrid waveguides show potential for all-optical signal processing based on fourwave mixing and cross-phase modulation. Quantum dot semiconductor optical amplifiers operate as linear amplifiers with a very large dynamic range.
Author: René Bonk Publisher: KIT Scientific Publishing ISBN: 3866449569 Category : Technology & Engineering Languages : en Pages : 280
Book Description
In this book, semiconductor optical amplifiers (SOAs) are studied with a view to linear and nonlinear applications in next-generation optical networks. Quantum-dot SOAs can be optimized for linear amplification of signals with different modulation formats and multiplexing techniques. Conversely, bulk SOAs can be easily optimized for operation in the nonlinear regime. However, due to the fast carrier recovery times in QD SOAs we also look into nonlinear applications with these devices.
Author: Luca Alloatti Publisher: KIT Scientific Publishing ISBN: 3731500566 Category : Technology (General) Languages : en Pages : 120
Book Description
In this book, the first high-speed silicon-organic hybrid (SOH) modulator is demonstrated by exploiting a highly-nonlinear polymer cladding and a silicon waveguide. By using a liquid crystal cladding instead, an ultra-low power phase shifter is obtained. A third type of device is proposed for achieving three-wave mixing on the silicon-organic hybrid (SOH) platform. Finally, new physical constants which describe the optical absorption in charge accumulation/inversion layers in silicon are determined.
Author: Jingshi Li Publisher: KIT Scientific Publishing ISBN: 3866449577 Category : Technology & Engineering Languages : en Pages : 178
Book Description
Self-coherent receivers are promising candidates for reception of 100 Gbit/s data rates in optical networks. Self-coherent receivers consist of multiple optical delay interferometers (DI) with high-speed photodiodes attached to the outputs. By DSP of the photo currents it becomes possible to receive coherently modulated optical signals. Especially promising for 100 Gbit/s networks is the PolMUX DQPSK format, the self-coherent reception of which is described in detail.
Author: Hillerkuss, David Publisher: KIT Scientific Publishing ISBN: 3866449917 Category : Technology & Engineering Languages : en Pages : 220
Book Description
Optical communication systems carry the bulk of all data traffic worldwide. This book introduces multi-Terabit/s transmission systems and three key technologies for next generation networks. A software-defined multi-format transmitter, an optical comb source and an optical processing scheme for the fast Fourier transform for Tbit/s signals. Three world records demonstrate the potential: The first single laser 10 Tbit/s and 26 Tbit/s OFDM and the first 32.5 Tbit/s Nyquist WDM experiments.
Author: R. Grisar Publisher: ISBN: Category : Nature Languages : en Pages : 404
Book Description
Divided into four sections, this work presents the proceedings of an international symposium on monitoring of gaseous pollutants by tunable diode lasers.
Author: Christoph Dyroff
Author: Christoph Dyroff
Author: Cristian Ravariu
Author: Thomas Vallaitis
Author: René Bonk
Author: Luca Alloatti
Author: Jingshi Li
Author: Hillerkuss, David
Author: R. Grisar
Author: Alan Fried
Author: Yufei Ma