Terahertz Sensing Technology. Volume 2, Emerging Scientific Appl

Description

Preface......Page 6 CONTENTS......Page 10 THz-Frequency Spectroscopic Sensing of DNA and Related Biological Materials......Page 11 1. Introduction......Page 12 2. Theory for the Characterization of Bio-Molecules......Page 13 3. Experimental Techniques for the Characterization of Bio-Molecules......Page 20 4. Comparison of Experimental Results with Theoretical Prediction......Page 32 5. Applications: Artificial Neural Network Analysis......Page 35 6. Conclusions......Page 38 References......Page 39 1. Introduction......Page 45 2. Background......Page 47 4. Reflection and transmission spectroscopy with coherent detection......Page 48 6. Reflection......Page 49 7. Transmission......Page 51 8. Reflection from solution proteins......Page 53 10. Summary......Page 55 References......Page 56 I. Introduction......Page 59 II. Background......Page 60 III. Terahertz Time Domain Spectroscopy of Biomolecular Conformation......Page 64 References......Page 72 1. Introduction......Page 77 2. THz spectroscopy......Page 79 3. Nano-materials: fabrication and properties......Page 92 4. THz spectroscopy of nanocomposites......Page 94 5. IR and Raman spectroscopy of nanocomposites......Page 96 6. Conclusion......Page 97 References......Page 98 Fundamentals of Terrestrial Millimeter-Wave and THz Remote Sensing......Page 103 I. Introduction......Page 104 II. THz Radiation......Page 109 III. Coupling of THz Sensors to Free Space......Page 125 IV. THz Receiver Types and Performance Metrics in the Presence of Noise......Page 144 V. THz Signal and Noise Processing......Page 149 VI. Radiation-Noise Limits on Sensitivity......Page 156 VII. Practical Limits on Receiver Sensitivity: Electronic Noise......Page 161 VIII. Receiver Performance Limitations and Statistics......Page 166 IX. Overall Performance of Four Types of Passive Sensors......Page 171 X. Issues and Performance of Active Sensors......Page 185 XI. Two-Dimensional Imaging and the Quest for Popular Applications......Page 198 References......Page 203 1. Introduction......Page 207 2. The Terahertz Emission Regime......Page 210 3. QD and Cavities as Terahertz Sources......Page 217 4. The Coupled Asymmetric Quantum Dot (CAD) Laser......Page 220 5. Quantum Dot Microcavity Terahertz Source......Page 223 References......Page 235 1. Introduction......Page 237 2. High Frequency Quantum Transport......Page 239 3. Photon Assisted Transport......Page 240 4. Dynamic Localization and Absolute Negative Conductance......Page 242 5. Coherent Miniband Superlattices......Page 246 6. Superlattice Devices as a Potential THz Gain Medium......Page 247 7. Conclusions......Page 253 References......Page 254 1. Introduction......Page 257 2. Intrinsic Oscillations in Tunneling Structures......Page 260 3. Duality Theory in Solid-State THz Generation......Page 289 4. A Multi-Band Physics-Based Transport Model for Staggered-Bandgap Tunneling Structures......Page 314 5. A Nonequilibrium Green's Function Transport Theory for Multi-band Tunneling Structures......Page 327 6. Conclusions......Page 357 References......Page 358 1. Introduction......Page 363 2. The Physical Model when Spin is not a Design Parameter......Page 365 3. Calculations for Classical Structures......Page 370 4. Baseline DC Characteristics......Page 371 5. Transient Device Simulations......Page 373 6. The RTD as a Self-Excited OsciUator......Page 375 7. Summary......Page 382 References......Page 394 1. Introduction......Page 395 2. Continuous-Wave THz Spectrometer......Page 396 3. Plasma Diagnostics......Page 402 4. THz Spectra of Biomolecules......Page 405 References......Page 413 Author Index - Volume 13 (2003)......Page 415