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Development of light-attenuating devices (LADS) to simulate night visibility during daylight / / Paul R. Bleda and John P. Farrell
Development of light-attenuating devices (LADS) to simulate night visibility during daylight / / Paul R. Bleda and John P. Farrell
Autore Bleda Paul R.
Pubbl/distr/stampa Alexandria, VA : , : U.S. Army Research Institute for the Behavioral and Social Sciences, , July 1979
Descrizione fisica 1 online resource (ix, 16 pages)
Collana Technical paper
Soggetto topico Night vision devices
Night fighting (Military science)
Light filters
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Development of light-attenuating devices
Record Nr. UNINA-9910704168403321
Bleda Paul R.  
Alexandria, VA : , : U.S. Army Research Institute for the Behavioral and Social Sciences, , July 1979
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Distributed feedback laser diodes and optical tunable filters [[electronic resource] /] / H. Ghafouri-Shiraz
Distributed feedback laser diodes and optical tunable filters [[electronic resource] /] / H. Ghafouri-Shiraz
Autore Ghafouri-Shiraz H
Pubbl/distr/stampa West Sussex, England ; ; Hoboken, NJ, : J. Wiley, 2003
Descrizione fisica 1 online resource (343 p.)
Disciplina 621.36/6
621.38275
Soggetto topico Light emitting diodes
Solid-state lasers
Tunable lasers
Light filters
Soggetto genere / forma Electronic books.
ISBN 1-280-27040-3
9786610270408
0-470-30003-5
0-470-85622-X
0-470-85623-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Distributed Feedback Laser Diodes and Optical Tunable Filters; Contents; Preface; Acknowledgements; Glossary of Abbreviations; Glossary of Symbols; 1. An Introduction to Optical Communication Systems; 1.1 Introduction; 1.2 Historical Progress; 1.3 Optical Fibre Communication Systems; 1.3.1 Intensity Modulation with a Direct Detection Scheme; 1.3.2 Coherent Detection Schemes; 1.4 System Requirements for High-Speed Optical Coherent Communication; 1.4.1 Spectral Purity Requirements; 1.4.2 Spectral Linewidth Requirements; 1.5 Summary; 1.6 References
2. Principles of Distributed Feedback Semiconductor Laser Diodes: Coupled Wave Theory2.1 Introduction; 2.2 Basic Principle of Lasers; 2.2.1 Absorption and Emission of Radiation; 2.2.2 The Einstein Relations and the Concept of Population Inversion; 2.2.3 Dispersive Properties of Atomic Transitions; 2.3 Basic Principles of Semiconductor Lasers; 2.3.1 Population Inversion in Semiconductor Junctions; 2.3.2 Principle of the Fabry-Perot Etalon; 2.3.3 Structural Improvements in Semiconductor Lasers; 2.3.4 Material Gain in Semiconductor Lasers
2.3.5 Total Radiative Recombination Rate in Semiconductors2.4 Coupled Wave Equations in Distributed Feedback Semiconductor Laser Diodes; 2.4.1 A Purely Index-coupled DFB Laser Diode; 2.4.2 A Mixed-coupled DFB Laser Diode; 2.4.3 A Gain-coupled or Loss-coupled DFB Laser Diode; 2.5 Coupling Coefficient; 2.5.1 A Structural Definition of the Coupling Coefficient for DFB Semiconductor Lasers; 2.5.2 The Effect of Corrugation Shape on Coupling Coefficient; 2.5.3 Transverse Field Distribution in an Unperturbed Waveguide; 2.5.4 Results Based upon the Trapezoidal Corrugation; 2.6 Summary; 2.7 References
3. Structural Impacts on the Solutions of Coupled Wave Equations: An Overview3.1 Introduction; 3.2 Solutions of the Coupled Wave Equations; 3.3 Solutions of Complex Transcendental Equations using the Newton-Raphson Approximation; 3.4 Concepts of Mode Discrimination and Gain Margin; 3.5 Threshold Analysis of a Conventional DFB Laser; 3.6 Impact of Corrugation Phase at Laser Facets; 3.7 The Effects of Phase Discontinuity along the DFB Laser Cavity; 3.7.1 Effects of Phase Shift on the Lasing Characteristics of a 1PS DFB Laser Diode
3.7.2 Effects of Phase Shift Position (PSP) on the Lasing Characteristics of a 1PS DFB Laser Diode3.8 Advantages and Disadvantages of QWS DFB Laser Diodes; 3.9 Summary; 3.10 References; 4. Transfer Matrix Modelling in DFB Semiconductor Lasers; 4.1 Introduction; 4.2 Brief Review of Matrix Methods; 4.2.1 Formulation of Transfer Matrices; 4.2.2 Introduction of Phase Shift (or Phase Discontinuity); 4.2.3 Effects of Finite Facet Reflectivities; 4.3 Threshold Condition for the N-Sectioned Laser Cavity; 4.4 Formulation of the Amplified Spontaneous Emission Spectrum using the TMM
4.4.1 Green's Function Method Based on the Transfer Matrix Formulation
Record Nr. UNINA-9910143213303321
Ghafouri-Shiraz H  
West Sussex, England ; ; Hoboken, NJ, : J. Wiley, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Distributed feedback laser diodes and optical tunable filters [[electronic resource] /] / H. Ghafouri-Shiraz
Distributed feedback laser diodes and optical tunable filters [[electronic resource] /] / H. Ghafouri-Shiraz
Autore Ghafouri-Shiraz H
Pubbl/distr/stampa West Sussex, England ; ; Hoboken, NJ, : J. Wiley, 2003
Descrizione fisica 1 online resource (343 p.)
Disciplina 621.36/6
621.38275
Soggetto topico Light emitting diodes
Solid-state lasers
Tunable lasers
Light filters
ISBN 1-280-27040-3
9786610270408
0-470-30003-5
0-470-85622-X
0-470-85623-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Distributed Feedback Laser Diodes and Optical Tunable Filters; Contents; Preface; Acknowledgements; Glossary of Abbreviations; Glossary of Symbols; 1. An Introduction to Optical Communication Systems; 1.1 Introduction; 1.2 Historical Progress; 1.3 Optical Fibre Communication Systems; 1.3.1 Intensity Modulation with a Direct Detection Scheme; 1.3.2 Coherent Detection Schemes; 1.4 System Requirements for High-Speed Optical Coherent Communication; 1.4.1 Spectral Purity Requirements; 1.4.2 Spectral Linewidth Requirements; 1.5 Summary; 1.6 References
2. Principles of Distributed Feedback Semiconductor Laser Diodes: Coupled Wave Theory2.1 Introduction; 2.2 Basic Principle of Lasers; 2.2.1 Absorption and Emission of Radiation; 2.2.2 The Einstein Relations and the Concept of Population Inversion; 2.2.3 Dispersive Properties of Atomic Transitions; 2.3 Basic Principles of Semiconductor Lasers; 2.3.1 Population Inversion in Semiconductor Junctions; 2.3.2 Principle of the Fabry-Perot Etalon; 2.3.3 Structural Improvements in Semiconductor Lasers; 2.3.4 Material Gain in Semiconductor Lasers
2.3.5 Total Radiative Recombination Rate in Semiconductors2.4 Coupled Wave Equations in Distributed Feedback Semiconductor Laser Diodes; 2.4.1 A Purely Index-coupled DFB Laser Diode; 2.4.2 A Mixed-coupled DFB Laser Diode; 2.4.3 A Gain-coupled or Loss-coupled DFB Laser Diode; 2.5 Coupling Coefficient; 2.5.1 A Structural Definition of the Coupling Coefficient for DFB Semiconductor Lasers; 2.5.2 The Effect of Corrugation Shape on Coupling Coefficient; 2.5.3 Transverse Field Distribution in an Unperturbed Waveguide; 2.5.4 Results Based upon the Trapezoidal Corrugation; 2.6 Summary; 2.7 References
3. Structural Impacts on the Solutions of Coupled Wave Equations: An Overview3.1 Introduction; 3.2 Solutions of the Coupled Wave Equations; 3.3 Solutions of Complex Transcendental Equations using the Newton-Raphson Approximation; 3.4 Concepts of Mode Discrimination and Gain Margin; 3.5 Threshold Analysis of a Conventional DFB Laser; 3.6 Impact of Corrugation Phase at Laser Facets; 3.7 The Effects of Phase Discontinuity along the DFB Laser Cavity; 3.7.1 Effects of Phase Shift on the Lasing Characteristics of a 1PS DFB Laser Diode
3.7.2 Effects of Phase Shift Position (PSP) on the Lasing Characteristics of a 1PS DFB Laser Diode3.8 Advantages and Disadvantages of QWS DFB Laser Diodes; 3.9 Summary; 3.10 References; 4. Transfer Matrix Modelling in DFB Semiconductor Lasers; 4.1 Introduction; 4.2 Brief Review of Matrix Methods; 4.2.1 Formulation of Transfer Matrices; 4.2.2 Introduction of Phase Shift (or Phase Discontinuity); 4.2.3 Effects of Finite Facet Reflectivities; 4.3 Threshold Condition for the N-Sectioned Laser Cavity; 4.4 Formulation of the Amplified Spontaneous Emission Spectrum using the TMM
4.4.1 Green's Function Method Based on the Transfer Matrix Formulation
Record Nr. UNINA-9910830451603321
Ghafouri-Shiraz H  
West Sussex, England ; ; Hoboken, NJ, : J. Wiley, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Distributed feedback laser diodes and optical tunable filters / / H. Ghafouri-Shiraz
Distributed feedback laser diodes and optical tunable filters / / H. Ghafouri-Shiraz
Autore Ghafouri-Shiraz H
Pubbl/distr/stampa West Sussex, England ; ; Hoboken, NJ, : J. Wiley, 2003
Descrizione fisica 1 online resource (343 p.)
Disciplina 621.36/6
Soggetto topico Light emitting diodes
Solid-state lasers
Tunable lasers
Light filters
ISBN 9786610270408
9781280270406
1280270403
9780470300039
0470300035
9780470856222
047085622X
9780470856239
0470856238
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Distributed Feedback Laser Diodes and Optical Tunable Filters; Contents; Preface; Acknowledgements; Glossary of Abbreviations; Glossary of Symbols; 1. An Introduction to Optical Communication Systems; 1.1 Introduction; 1.2 Historical Progress; 1.3 Optical Fibre Communication Systems; 1.3.1 Intensity Modulation with a Direct Detection Scheme; 1.3.2 Coherent Detection Schemes; 1.4 System Requirements for High-Speed Optical Coherent Communication; 1.4.1 Spectral Purity Requirements; 1.4.2 Spectral Linewidth Requirements; 1.5 Summary; 1.6 References
2. Principles of Distributed Feedback Semiconductor Laser Diodes: Coupled Wave Theory2.1 Introduction; 2.2 Basic Principle of Lasers; 2.2.1 Absorption and Emission of Radiation; 2.2.2 The Einstein Relations and the Concept of Population Inversion; 2.2.3 Dispersive Properties of Atomic Transitions; 2.3 Basic Principles of Semiconductor Lasers; 2.3.1 Population Inversion in Semiconductor Junctions; 2.3.2 Principle of the Fabry-Perot Etalon; 2.3.3 Structural Improvements in Semiconductor Lasers; 2.3.4 Material Gain in Semiconductor Lasers
2.3.5 Total Radiative Recombination Rate in Semiconductors2.4 Coupled Wave Equations in Distributed Feedback Semiconductor Laser Diodes; 2.4.1 A Purely Index-coupled DFB Laser Diode; 2.4.2 A Mixed-coupled DFB Laser Diode; 2.4.3 A Gain-coupled or Loss-coupled DFB Laser Diode; 2.5 Coupling Coefficient; 2.5.1 A Structural Definition of the Coupling Coefficient for DFB Semiconductor Lasers; 2.5.2 The Effect of Corrugation Shape on Coupling Coefficient; 2.5.3 Transverse Field Distribution in an Unperturbed Waveguide; 2.5.4 Results Based upon the Trapezoidal Corrugation; 2.6 Summary; 2.7 References
3. Structural Impacts on the Solutions of Coupled Wave Equations: An Overview3.1 Introduction; 3.2 Solutions of the Coupled Wave Equations; 3.3 Solutions of Complex Transcendental Equations using the Newton-Raphson Approximation; 3.4 Concepts of Mode Discrimination and Gain Margin; 3.5 Threshold Analysis of a Conventional DFB Laser; 3.6 Impact of Corrugation Phase at Laser Facets; 3.7 The Effects of Phase Discontinuity along the DFB Laser Cavity; 3.7.1 Effects of Phase Shift on the Lasing Characteristics of a 1PS DFB Laser Diode
3.7.2 Effects of Phase Shift Position (PSP) on the Lasing Characteristics of a 1PS DFB Laser Diode3.8 Advantages and Disadvantages of QWS DFB Laser Diodes; 3.9 Summary; 3.10 References; 4. Transfer Matrix Modelling in DFB Semiconductor Lasers; 4.1 Introduction; 4.2 Brief Review of Matrix Methods; 4.2.1 Formulation of Transfer Matrices; 4.2.2 Introduction of Phase Shift (or Phase Discontinuity); 4.2.3 Effects of Finite Facet Reflectivities; 4.3 Threshold Condition for the N-Sectioned Laser Cavity; 4.4 Formulation of the Amplified Spontaneous Emission Spectrum using the TMM
4.4.1 Green's Function Method Based on the Transfer Matrix Formulation
Record Nr. UNINA-9911019535603321
Ghafouri-Shiraz H  
West Sussex, England ; ; Hoboken, NJ, : J. Wiley, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Enhanced optical filter design / / David Cushing
Enhanced optical filter design / / David Cushing
Autore Cushing David <d. 2009.>
Pubbl/distr/stampa Bellingham, Wash., : SPIE Press, c2011
Descrizione fisica 1 online resource (168 p.)
Disciplina 621.36/9
Collana SPIE
Soggetto topico Optical coatings
Light filters
Optical films
ISBN 9781523132041
1523132043
9781680150971
1680150979
9780819483591
0819483591
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Basics -- Methods of deposition and materials -- Antireflection coatings -- Multilayer films -- Dichroics -- Metal films and filters -- All-dielectric bandpass filters -- Optical monitoring -- Fully blocked visible filters -- Fully blocked ultraviolet filters -- Nonpolarizing reflection filters -- Nonpolarizing transmissive filters.
Record Nr. UNINA-9911004737303321
Cushing David <d. 2009.>  
Bellingham, Wash., : SPIE Press, c2011
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Filters for the reproduction of sunlight and daylight and the determination of color temperature / / by Raymond Davis [and] K.S. Gibson. January 21, 1931
Filters for the reproduction of sunlight and daylight and the determination of color temperature / / by Raymond Davis [and] K.S. Gibson. January 21, 1931
Autore Davis Raymond <1888->
Pubbl/distr/stampa Washington : , : U.S. Govt. Print. Off., , 1931
Descrizione fisica 1 online resource (1 preliminary leaf, 165 including tables, diagrams) : 2 plates
Disciplina 535.2
506.1
Collana Miscellaneous publication, Bureau of Standards
Soggetto topico Color
Light filters
Photographic optics
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910712922703321
Davis Raymond <1888->  
Washington : , : U.S. Govt. Print. Off., , 1931
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Optical thin films : user handbook / / James D. Rancourt
Optical thin films : user handbook / / James D. Rancourt
Autore Rancourt James D
Pubbl/distr/stampa Bellingham, Wash., : SPIE Optical Engineering Press, c1996
Descrizione fisica xii, 289 p. : ill
Disciplina 621.3815/2
Collana SPIE Press monograph
Soggetto topico Optical coatings
Thin films - Optical properties
Optical films
Light filters
ISBN 1-61583-738-8
0-8194-8044-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Preface -- 1. Introduction to optical thin films. 1.1. Interference of light; 1.2. Spectral ranges and materials section; 1.3. Angle of incidence effects -- 2. Deposition technology. 2.1. Coating processes; 2.2. Coating parameters; 2.3. Coating equipment; 2.4. Stress effects; 2.5. Substrate cleaning -- 3. Performance of optical filters. 3.1. Reflectance, transmittance, and absorption; 3.2. Absorption and scattering; 3.3. Blocking ranges; 3.4. Filters in series: incoherent addition of intensities; 3.5. Standing wave electric fields; 3.6. Performance shifts with angle of incidence; 3.7. Other parameters that affect performance; 3.8. Wavefront distortions -- 4. Design types. 4.1. Antireflection coatings; 4.2. High reflection designs; 4.3. Edge filters; 4.4. Bandpass filters; 4.5. Beam splitters; 4.6. Other filters -- 5. Filter performance and measurements. 5.1. Spectrophotometers and spectrophotometry; 5.2. Environmental performance and measurements; 5.3. Aging; 5.4. Cosmetic and other visual deficiencies; 5.5. Inspection lot size -- 6. Substrates and materials. 6.1. Substrates in general; 6.2. Substrate types; 6.3. Safety glass; 6.4. Substrate specifications; 6.5. Blocking properties; 6.6. Reststrahl bands; 6.7. Island formation in thin films; 6.8. Thermal runaway in semiconductors; 6.9. Number of materials in multilayer coatings; 6.10. Toxicity.
7. Future prospects. 7.1. Ion beams; 7.2. Nonvacuum processes; 7.3. Inhomogeneous films; 7.4. Codeposition; 7.5. X-ray coatings; 7.6. Equipment advances: automatic coating machines; 7.7. Materials research -- A. How to specify optical filters -- B. Selected United States military specifications that relate to thin film optical filters -- C. Basic program to calculate thin film filter performance -- References -- Index.
Record Nr. UNINA-9911004812403321
Rancourt James D  
Bellingham, Wash., : SPIE Optical Engineering Press, c1996
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Simulating various moon illumination levels with light attenuating devices (LADS) / / Paul R. Bleda
Simulating various moon illumination levels with light attenuating devices (LADS) / / Paul R. Bleda
Autore Bleda Paul R.
Pubbl/distr/stampa Alexandria, VA : , : U. S. Army Research Institute for the Behavioral and Social Sciences, , July 1979
Descrizione fisica 1 online resource (ix, 14 pages)
Collana Technical paper
Soggetto topico Military education - United States - Evaluation
Light filters
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Simulating various moon illumination levels with light attenuating devices
Record Nr. UNINA-9910704280003321
Bleda Paul R.  
Alexandria, VA : , : U. S. Army Research Institute for the Behavioral and Social Sciences, , July 1979
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui