Detection and Signal Processing

Technical Realization
1. Auflage 2006
ISBN: 978-3-540-29599-0
Verlag: Springer

Buch, Englisch, Band 22, 174 Seiten, Format (B × H): 155 mm x 235 mm, Gewicht: 990 g

Reihe: Springer Series in Advanced Microelectronics

Thesecondpartdealswithampli?cationproblemsandtherecovery ofrepetitivesignalsburiedinnoise. Thelastpartisdevotedtosolvingthe problemsconnectedwithreachingtheultimatedetectionlimitorquantum limit. Thisisdoneforheterodynedetectionandphotoncounting. Although VIII Preface heterodynedetectionyieldstheultimatesensitivity,itsspatialmodesel- tivityand,ingeneral,thelowspectralpowerdensityofthesignalrequire sophisticatedprovisions. Thisisdiscussedindetail. Theinherentproblemsare analyzedandappropriatetechnicalsolutionsaredescribedtoreachtheul- matesensitivityfordetectingincoherentradiationandcommunicationsignals thatarerandomlyDopplershifted. Theresultsareillustratedwithexamples ofspacecommunication. Hengelo(O),January2006 W. J. Witteman Contents 1 RandomFluctuations. 1 1. 1 Introduction. 1 1. 2 ThermalNoiseofResistance. 2 1. 3 ShotNoise. 5 1. 3. 1 SpectralDistribution. 6 1. 3. 2 Photons. 10 1. 4 FlickerNoise. 10 1. 5 Generation–RecombinationNoise. 10 1. 6 ThermalRadiationandItsFluctuations. 13 1. 7 TemperatureFluctuationsofSmallBodies. 18 1. 7. 1 AbsorptionandEmissionFluctuations. 20 2 Signal–NoiseRelations. 21 2. 1 SignalLimitation. 22 2. 2 BackgroundLimitation. 22 2. 2. 1 IdealDetection. 24 2. 3 JohnsonNoise. 27 2. 4 DarkCurrentNoise. 27 2. 5 NoiseandSensitivity. 28 2. 6 Ampli?erNoiseandMismatching. 28 3 ThermalDetectors. 31 3. 1 ThermocoupleandThermopile. 31 3. 2 Bolometer. 36 3. 2. 1 MetallicBolometer. 39 3. 2. 2 Thermistor. 40 3. 3 PyroelectricDetector. 44 4 VacuumPhotodetectors. 51 4. 1 VacuumPhotodiode. 52 4. 2 Photomultiplier. 56 X Contents 5 SemiconductorPhotodetectors. 61 5. 1 Photoconductors. 61 5. 1. 1 AnalysisoftheDetectionProcess. 64 5. 1. 2 FrequencyResponse. 69 5. 2 Photodiodes. 69 5. 2. 1 P–NJunction. 70 5. 2. 2 Current–VoltageCharacteristic. 72 5. 2. 3 PhotonExcitation. 75 5. 2. 4 OperationalModes. 79 5. 2. 5 OpenCircuit. 80 5. 2. 6 CurrentCircuit. 82 5. 2. 7 Reverse-BiasedCircuit. 83 5. 3 AvalanchePhotodiodes.

Zielgruppe

Graduate

Autoren/Hrsg.

Witteman, Wilhelmus Jacobus

Fachgebiete

• Technische Wissenschaften Elektronik | Nachrichtentechnik Nachrichten- und Kommunikationstechnik Signalverarbeitung
• Naturwissenschaften Physik Physik Allgemein Experimentalphysik
• Naturwissenschaften Astronomie Astronomie: Allgemeines
• Technische Wissenschaften Elektronik | Nachrichtentechnik Elektronik Sensorik

Inhaltsverzeichnis

Random Fluctuations.- Signal–Noise Relations.- Thermal Detectors.- Vacuum Photodetectors.- Semiconductor Photodetectors.- Correlation Analyses.- Signal Processing.- Heterodyne Detection.- Fast Detection of Weak and Noisy Signals.

Über Autor(innen)

W. J. Witteman has been professor in laser physics at the University of Twente (The Netherlands) from 1969 until 1999. Next to numerous articles in the field of CO2-lasers, excimer lasers and free electron lasers he has published:

In 1987 "The CO2 Laser" (Springer Series in Optical Sciences, Vol.54)

In 1996 as co-author "Gas Lasers-Recent Developments and Future Prospects" (Kluwer Academic Publishers)

In 2004 as co-author "Handbook of Laser Technology & Applications" (Institute of Physics Publishing). He was the author of the chapter on "Excimer, F2, N2 and H2 Lasers".