Photonic Sensing

Preface xi
Contributors xiii
1 Surface Plasmons for Biodetection 1
Pavel Adam, Marek Piliarik, Hana Sipova, Tomas Springer, MilanVala, and Jiri Homola
1.1 Introduction 1
1.2 Principles of SPR Biosensors 2
1.3 Optical Platforms for SPR Sensors 12
1.4 Functionalization Methods for SPR Biosensors 26
1.5 Applications of SPR Biosensors 35
1.6 Summary 45
2 Microchip-Based Flow Cytometry in Photonic Sensing:Principles and Applications for Safety and Security Monitoring59
Benjamin R. Watts, Zhiyi Zhang, and Chang-Qing Xu
2.1 Introduction 59
2.2 Microchip-Based Flow Cytometry 61
2.3 Microchip-Based Flow Cytometry with Integrated Optics 66
2.4 Applications 73
2.5 Conclusion 81
3 Optofluidic Techniques for the Manipulation of MicroParticles: Principles and Applications to Bioanalyses 89
Honglei Guo, Gaozhi Xiao, and Jianping Yao
3.1 Introduction 89
3.2 Optofluidic Techniques for the Manipulation of Particles90
3.3 Enhancing Optical Manipulation with a MonolithicallyIntegrated on-Chip Structure 104
3.4 Applications 110
3.5 Conclusion 112
4 Optical Fiber Sensors and Their Applications for ExplosiveDetection 119
Jianjun Ma and Wojtek J. Bock
4.1 Introduction 119
4.2 A Brief Review of Existing Fiber-Optic-Based ExplosiveDetectors 123
4.3 High Performance Fiber-Optic Explosive Detector Based on theAFP Thin Film 129
4.4 Generating High Quality Polymer Film--Pretreatment withAdhesion Promoter 137
4.5 Effect of Photodegradation on AFP Polymer 138
4.6 Optimizing Polymer Concentration for Optimized AFP-FilmThickness 138
4.7 Explosive Vapor Preconcentration and Delivery 139
4.8 Future Directions and Conclusions 143
5 Photonic Liquid Crystal Fiber Sensors for Safety andSecurity Monitoring 147
Tomasz Wolinski
5.1 Introduction 147
5.2 Materials and Experimental Setups 149
5.3 Principle of Operation 153
5.4 Tuning Possibility 157
5.5 Photonic Devices 172
5.6 Photonic Liquid Crystal Fiber Sensors for Sensing andSecurity 176
5.7 Conclusion 178
6 Miniaturized Fiber Bragg Grating Sensor Systems forPotential Air Vehicle Structural Health Monitoring Applications183
Honglei Guo, Gaozhi Xiao, Nezih Mrad, and Jianping Yao
6.1 Introduction 183
6.2 Spectrum Fixed AWG-Based FBG Sensor System 186
6.3 Spectrum Tuning AWG-/EDG-Based FBG Sensor Systems 190
6.4 Dual Function EDG-Based Interrogation Unit 215
6.5 Conclusion 219
7 Optical Coherence Tomography for Document Security andBiometrics 225
Shoude Chang, Youxin Mao, and Costel Flueraru
7.1 Introduction 225
7.2 Principle of OCT 229
7.3 OCT Systems: Hardware and Software 233
7.4 Sensing Through Volume: Applications 242
7.5 Summary and Conclusion 251
8 Photonics-Assisted Instantaneous Frequency Measurement259
Shilong Pan and Jianping Yao
8.1 Introduction 259
8.2 Frequency Measurement Using an Optical Channelizer 261
8.3 Frequency Measurement Based on Power Monitoring 266
8.4 Other Methods for Frequency Measurement 287
8.5 Challenges and Future Prospects 291
8.6 Conclusion 292
References 292
Index 297