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WEAK-COUPLING MICROCATITIES

Alexey V. Kavokin and Jeremy J. Baumberg

in Microcavities

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199228942
eISBN:
9780191711190
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199228942.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter describes the optical properties of planar microcavities in the weak coupling regime, and reviews the emission of light from microcavities in the linear regime. The derivation of the ... More


The absorption and stimulated emission of radiation

Alan Corney

in Atomic and Laser Spectroscopy

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211456
eISBN:
9780191705915
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211456.003.0009
Subject:
Physics, Atomic, Laser, and Optical Physics

Starting from the absorption of radiation by a classical electron oscillator, Einstein's A and B coefficients for spontaneous and stimulated transitions are introduced. Stimulated transition rates ... More


Luminescence Spectroscopy of Semiconductors

Ivan Pelant and Jan Valenta

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199588336
eISBN:
9780191738548
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199588336.001.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

Luminescence of semiconductors is nowadays based on very firm background of solid state physics. The purpose of this book is to introduce the reader to the study of the physical principles underlying ... More


Atomic and Laser Spectroscopy

Alan Corney

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211456
eISBN:
9780191705915
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211456.001.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

This book gives an account of the progress that has been made in the fields of atomic physics and laser spectroscopy during the last fifty years. The first five chapters prepare the foundations of ... More


Interaction of light with matter

J. C. Garrison and R. Y. Chiao

in Quantum Optics

Published in print:
2008
Published Online:
September 2008
ISBN:
9780198508861
eISBN:
9780191708640
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198508861.003.0005
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter begins with a review of the semi-classical model of the interaction of charged particles with light, and then proceeds to the full quantum theory by replacing the classical fields with ... More


Interaction of radiation with charged particles

Efstratios Manousakis

in Practical Quantum Mechanics: Modern Tools and Applications

Published in print:
2015
Published Online:
December 2015
ISBN:
9780198749349
eISBN:
9780191813474
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198749349.003.0030
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter treats fully quantum mechanically the interaction of charged particles with a fluctuating electromagnetic field using time-dependent perturbation theory. It discusses absorption, ... More


Population inversion mechanisms in gas lasers

Alan Corney

in Atomic and Laser Spectroscopy

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211456
eISBN:
9780191705915
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211456.003.0011
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses the reasons why a population inversion is required to obtain optical frequency amplification by stimulated emission. The effects of homogeneous and inhomogeneous broadening are ... More


Optical Phase Conjugation

Guang S. He

in Nonlinear Optics and Photonics

Published in print:
2014
Published Online:
December 2014
ISBN:
9780198702764
eISBN:
9780191772368
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198702764.003.0008
Subject:
Physics, Atomic, Laser, and Optical Physics

Optical phase conjugation (OPC) is a nonlinear optical technique for the generation of phase conjugate waves (PCWs) and their application. For a coherent and monochromatic light wave (signal beam) ... More


Optics in Semiconductors

Alexey A. Toropov and Tatiana V. Shubina

in Plasmonic Effects in Metal-Semiconductor Nanostructures

Published in print:
2015
Published Online:
May 2015
ISBN:
9780199699315
eISBN:
9780191799433
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199699315.003.0004
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter describes basic optical processes in semiconductor crystals, including interband optical absorption, gain, and emission. The consideration is performed for the two types of crystal ... More


Quantum mechanical interaction of light with atoms

Peter Blood

in Quantum Confined Laser Devices: Optical gain and recombination in semiconductors

Published in print:
2015
Published Online:
November 2015
ISBN:
9780199644513
eISBN:
9780191810329
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199644513.003.0007
Subject:
Physics, Atomic, Laser, and Optical Physics

The quantum mechanical description of the interaction of light with atoms treats absorption, gain, and recombination as upward and downward induced transitions of electrons between two states by ... More


Field quantization

Ian R. Kenyon

in Quantum 20/20: Fundamentals, Entanglement, Gauge Fields, Condensates and Topology

Published in print:
2019
Published Online:
November 2019
ISBN:
9780198808350
eISBN:
9780191846052
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198808350.003.0008
Subject:
Physics, Theoretical, Computational, and Statistical Physics, Particle Physics / Astrophysics / Cosmology

Field or second quantization is carried through for electromagnetism, giving creation and annihilation operators for photons. Vacuum energy arises from field fluctuations, which causes the Casimir ... More


Introduction to optical gain

Peter Blood

in Quantum Confined Laser Devices: Optical gain and recombination in semiconductors

Published in print:
2015
Published Online:
November 2015
ISBN:
9780199644513
eISBN:
9780191810329
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199644513.003.0002
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter provides an introduction to optical gain and to the requirements for a semiconductor structure that enables this gain to be translated into laser action. The basis of laser action is the ... More


The Light Microscope

Peter B. Moore

in Visualizing the Invisible: Imaging Techniques for the Structural Biologist

Published in print:
2012
Published Online:
May 2015
ISBN:
9780199767090
eISBN:
9780190267841
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199767090.003.0010
Subject:
Biology, Biochemistry / Molecular Biology

This chapter begins by identifying various kinds of imaging techniques. It then examines the role played by the amount of light and presence of fluorophore in the imaging process. the latter part of ... More


Use of contrast in ultrasound

Tomas Jansson and Anders Nilsson

in Ultrasound in Clinical Diagnosis: From pioneering developments in Lund to global application in medicine

Published in print:
2011
Published Online:
November 2020
ISBN:
9780199602070
eISBN:
9780191918056
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199602070.003.0019
Subject:
Clinical Medicine and Allied Health, History of Medicine

In 1968, Drs Pravin M. Shah and Raymond Gramiak at the University of Rochester, New York, were conducting a study with the ultimate goal to investigate whether heart ... More


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