Category: Optical Engineering

  • A Practical Guide to Lightcurve Photometry and Analysis (The by Brian D. Warner

    By Brian D. Warner

    Tools for newbie astronomers who desire to transcend CCD imaging and step into ‘serious’ technology. The textual content deals ideas for collecting, examining, and publishing facts, and describes joint initiatives within which amateurs and scholars can participate. Readers discover ways to realize and stay away from universal mistakes in accumulating photometry info, with unique examples for research. contains reports of accessible software program, with monitor photographs and valuable tips.

    Show description

  • Metallic Butterfly Wing Scales: Superstructures with High by Jiajun Gu,Di Zhang,Yongwen Tan

    By Jiajun Gu,Di Zhang,Yongwen Tan

    This e-book offers a mode for replicating ordinary butterfly wing scales utilizing a number of metals for cutting-edge functions requiring excessive surface-enhancement houses. in past times decade, 3 dimensional (3D) sub-micrometer buildings have attracted significant cognizance for optical purposes. those 3D subwavelength steel buildings are, even though, tricky to arrange. against this, the 3D superstructures of butterfly wing scales, with greater than a hundred seventy five 000 morphologies, are successfully engineered through nature. normal butterfly wing scales function 3D sub-micrometer buildings which are more advantageous to many human designs by way of structural complexity, reproducibility, and value. Such traditional wealth deals a flexible chemical path through the replication of those buildings into sensible metals.

    A unmarried flexible chemical direction can be utilized to supply butterfly scales in seven diversified metals. those synthesized constructions have the potential of catalytic (Au, Pt, Pd), thermal (Ag, Au, Cu), electric (Au, Cu, Ag), magnetic (Co, Ni), and optical (Au, Ag, Cu) purposes. Plasmon-active Au, Cu, Ag butterfly scales have exhibited very good homes in surface-enhanced Raman scattering (SERS). The Au scales as SERS substrates have ten instances the analyte detection sensitivity and are one-tenth the price of their human-designed advertisement opposite numbers (KlariteTM). initial mechanisms of those surface-enhancement phenomena also are reviewed.

    Show description

  • Wide-Gap Chalcopyrites: 86 (Springer Series in Materials by Susanne Siebentritt,Uwe Rau

    By Susanne Siebentritt,Uwe Rau

    Chalcopyrites, particularly people with a large band hole, are attention-grabbing fabrics by way of their technological capability within the subsequent iteration of thin-film sunlight cells and when it comes to their uncomplicated fabric homes. They express uniquely low illness formation energies, resulting in strange doping and part habit and to tremendous benign grain limitations. This ebook collects articles on a few these simple fabric homes of wide-gap chalcopyrites, evaluating them to their low-gap cousins. They discover the doping of the fabrics, the digital constitution and the shipping via interfaces and grain obstacles, the formation of the electrical box in a sunlight cellphone, the mechanisms and suppression of recombination, the function of inhomogeneities, and the technological position of wide-gap chalcopyrites.

    Show description

  • Phase-Locked Loops for Wireless Communications: Digital, by Donald R. Stephens

    By Donald R. Stephens

    Phase-Locked Loops for instant Communications: Digitial, Analog and Optical Implementations, moment Edition provides a entire educational of phase-locked loops from analog implementations to electronic and optical designs. The textual content establishes an intensive starting place of continuous-time research strategies and continues a constant notation as discrete-time and non-uniform sampling are offered. New to this version is a whole therapy of cost pumps and the complementary sequential part detector. one other vital switch is the elevated use of MATLAB®, applied to supply extra accepted portraits and reader-derived phase-locked loop simulation. Frequency synthesizers and electronic divider analysis/techniques were further to this moment version. probably such a lot exact is the bankruptcy on optical phase-locked loops that starts off with sections discussing elements resembling lasers and photodetectors and completing with homodyne and heterodyne loops. beginning with a historic assessment, providing analog, electronic, and optical PLLs, discussing part noise research, and together with circuits/algorithms for information synchronization, this quantity comprises new recommendations getting used during this box. Highlights of the Second Edition:
    • improvement of phase-locked loops from analog to electronic and optical, with constant notation all through;
    • extended assurance of the loop filters used to layout moment and 3rd order PLLs;
    • layout examples on delay-locked loops used to synchronize circuits on CPUs and ASICS;
    • New fabric on electronic dividers that dominate a frequency synthesizer's noise ground. concepts to analytically estimate the section noise of a divider;
    • Presentation of optical phase-locked loops with primers at the optical parts and basics of optical blending;
    • part on computerized frequency keep an eye on to supply frequency-locking of the lasers rather than phase-locking;
    • Presentation of cost pumps, counters, and delay-locked loops.
    The Second Edition contains the basic themes wanted by means of instant, optics, and the normal phase-locked loop experts to layout circuits and software program algorithms. all the fabric has been up-to-date during the book.
    Show description

  • Photonics in Switching: 001 by John E. Midwinter,Paul F. Liao,Paul Kelley

    By John E. Midwinter,Paul F. Liao,Paul Kelley

    Photonics in Switching offers a large, balanced evaluate of using optics or photonics in switching, from fabrics and units to procedure structure. The chapters, each one written via knowledgeable within the box, survey the main applied sciences, surroundings them in context and highlighting their advantages and attainable functions. This publication is a important source for these operating within the communications undefined, both on the expert or pupil point, who don't have huge historical past wisdom or the underlying physics of the technology.
    Show description

  • Digital Transmission Systems by David R. Smith

    By David R. Smith

    Digital Transmission platforms, 3rd Edition, is a accomplished review of the speculation and practices of electronic transmission structures utilized in electronic conversation. This re-creation has been thoroughly up to date to incorporate the most recent applied sciences and most up-to-date suggestions within the transmission of digitized info in addition to assurance of electronic transmission layout, implementation and trying out.
    Show description

  • Coaxial Lithography (Springer Theses) by Tuncay Ozel

    By Tuncay Ozel

    This thesis specializes in the electrochemical synthesis of multi-segmented nanowires. unlike prior paintings, which was once principally restricted to one-dimensional alterations, Tuncay Ozel offers a method, termed coaxial Lithography (COAL), which permits for the synthesis of coaxial nanowires in a parallel type with sub-10 nanometer answer in either the axial and radial dimensions. This paintings has considerably elevated present artificial features with admire to fabrics generality and the facility to tailor two-dimensional progress within the formation of core-shell constructions. those advancements have enabled basic and utilized reviews which have been now not formerly attainable. The COAL approach increases the features of many researchers who're drawn to learning light-matter interactions, nanoparticle meeting, solution-dispersible nanoparticles and labels, semiconductor machine physics and nanowire biomimetic probe practise. The technique and effects offered during this thesis attract researchers in nanomaterial synthesis, plasmonics, biology, photovoltaics, and photocatalysis. 

    Show description

  • Laser Photoionization Spectroscopy by Vladilen Letokhov

    By Vladilen Letokhov

    Laser Photoionization Spectroscopy discusses the gains and the advance of photoionization method. This e-book explores the development within the program of lasers, which enhance the features of spectroscopic tools.
    Organized into 12 chapters, this ebook starts off with an summary of the basics of the strategy for atoms and molecules. this article then examines the photoionization spectroscopy, that's according to the laser resonant excitation of debris into high-lying quantum states which are effortless to become aware of through ionization. different chapters clarify a number of the uncomplicated schemes of multistep excitation, which are used for resonance photoionization of molecules. This ebook discusses in addition the various functions of the resonance photoionization strategy in atomic and molecular spectroscopy. the ultimate bankruptcy considers the 2 famous varieties of microscopy, particularly, wave and corpuscular.
    This booklet is a worthy source for chemists, physicists, analysts, and geochemists who're attracted to laser spectroscopy options to unravel nontrivial problems.
    Show description

  • Essentials of Modern Optical Fiber Communication by Reinhold Noé

    By Reinhold Noé

    it is a concise creation into optical fiber communique. It covers very important facets from the physics of optical wave propagation and amplification to the necessities of modulation codecs and receivers. the mix of a high-quality assurance of helpful basic thought with an in-depth dialogue of contemporary correct learn effects allows the reader to layout glossy optical fiber verbal exchange structures. The e-book serves either graduate scholars and execs. It comprises many labored examples with ideas for teachers.
     
    For the second one version, Reinhold Noé made many adjustments and additions in the course of the textual content in order that this concise booklet provides the necessities of optical fiber verbal exchange in a simple readable and comprehensible way.
    Show description

  • A Systems Approach to Lithium-Ion Battery Management (Power by Phillip Weicker

    By Phillip Weicker

    the appearance of lithium ion batteries has introduced an important shift within the zone of huge layout battery platforms. formerly restricted to heavy and ponderous lead-acid garage batteries, huge layout batteries have been used merely the place completely invaluable as a way of strength garage. the enhanced strength density, cycle existence, strength potential, and sturdiness of lithium ion cells has given us electrical and hybrid automobiles with significant riding variety and function, grid-tied strength garage platforms for integration of renewable strength and cargo leveling, backup energy structures and different applications.

    This booklet discusses battery administration approach (BMS) know-how for giant layout lithium-ion battery packs from a structures viewpoint. This source covers the way forward for BMS, giving us new how you can generate, use, and shop power, and unfastened us from the perils of non-renewable power assets. This ebook presents a whole replace on BMS know-how, protecting software program, undefined, integration, trying out, and safety.
    Show description