Dr. Akhileshwar Kumar is president of AK Electromagnetique, Inc., Quebec, Canada. He earned his Ph.D. at the University of Strathclyde, UK. A senior member of the IEEE, Dr. Kumar has published more than 115 technical papers and is the author of two books from Artech House: Fixed and Mobile Terminal Antennas (1991) and Microwave Cavity Antennas (1989).

• Introduction: Background and History of Optical Fiber Technology. General Performance Considerations. Comparison of Losses. Applications and Reasons. Conclusions. Optical Fiber Types, Fabrication, Radiation, and Reliability: Introduction. Fiber Types. Advantages of Single-Mode Fiber Over Multi-Mode Fiber. Materials in the Fabrication. Fabrication Techniques. Nuclear Radiation Hardened Fibers. Mechanical Reliability and Fatigue for Silica Glass Fiber. Radio Frequency Beamforming/Scanning Techniques: Introduction. Lens-Based Beamforming/Scanning Techniques. Circuit Beamformers. Imaging Reflector Antennas. RF Electronic Beam Steering Techniques for Optical Fibers. References. Acousto-Optics Time-Delays for Phased Array Antennas: Introduction. Background of the Acousto-Optics. Delay Line Concept. Theory of the Delay Line. Time Delays arrangement for Phase Array Antennas. Experimental Results on Delay Lines and Phased Array Antennas. Two-Dimensional Array Antenna Beam Steering. Discussions and Conclusions. References. Optically Controlled Beam Scanning of Active Phased Array Antennas: Introduction. Application of Phase Shifters. Methods of Injection Locking. References. Hardware-Compressive Fiber Optical Delay Line for Steering of Phased Array Antennas: Introduction. Development of Binary Optical Delay Lines. Delay-Compressive Fiber Optical Delay Lines. Binary Fiber Optical Delay Line (BIFODEL) Architecture. Design of a Single BIFODEL Segment. Delay-Compressive Fiber Optic Delay Line. Conclusions. References. Optical Beam Steering of Antenna Array Using Two Lasers: Introduction. Concept of Optically Controlled Array. Pinhole Image Mask. Design of a Fiber-Optic Shutter Switch. Signal-to-Noise Ratio and Laser Output. Radiation Patterns and Reduction in Sidelobe Level. References.

Dr. Akhileshwar Kumar is president of AK Electromagnetique, Inc., Quebec, Canada. He earned his Ph.D. at the University of Strathclyde, UK. A senior member of the IEEE, Dr. Kumar has published more than 115 technical papers and is the author of two books from Artech House: Fixed and Mobile Terminal Antennas (1991) and Microwave Cavity Antennas (1989).

• Introduction: Background and History of Optical Fiber Technology. General Performance Considerations. Comparison of Losses. Applications and Reasons. Conclusions. Optical Fiber Types, Fabrication, Radiation, and Reliability: Introduction. Fiber Types. Advantages of Single-Mode Fiber Over Multi-Mode Fiber. Materials in the Fabrication. Fabrication Techniques. Nuclear Radiation Hardened Fibers. Mechanical Reliability and Fatigue for Silica Glass Fiber. Radio Frequency Beamforming/Scanning Techniques: Introduction. Lens-Based Beamforming/Scanning Techniques. Circuit Beamformers. Imaging Reflector Antennas. RF Electronic Beam Steering Techniques for Optical Fibers. References. Acousto-Optics Time-Delays for Phased Array Antennas: Introduction. Background of the Acousto-Optics. Delay Line Concept. Theory of the Delay Line. Time Delays arrangement for Phase Array Antennas. Experimental Results on Delay Lines and Phased Array Antennas. Two-Dimensional Array Antenna Beam Steering. Discussions and Conclusions. References. Optically Controlled Beam Scanning of Active Phased Array Antennas: Introduction. Application of Phase Shifters. Methods of Injection Locking. References. Hardware-Compressive Fiber Optical Delay Line for Steering of Phased Array Antennas: Introduction. Development of Binary Optical Delay Lines. Delay-Compressive Fiber Optical Delay Lines. Binary Fiber Optical Delay Line (BIFODEL) Architecture. Design of a Single BIFODEL Segment. Delay-Compressive Fiber Optic Delay Line. Conclusions. References. Optical Beam Steering of Antenna Array Using Two Lasers: Introduction. Concept of Optically Controlled Array. Pinhole Image Mask. Design of a Fiber-Optic Shutter Switch. Signal-to-Noise Ratio and Laser Output. Radiation Patterns and Reduction in Sidelobe Level. References.

Dr. Akhileshwar Kumar is president of AK Electromagnetique, Inc., Quebec, Canada. He earned his Ph.D. at the University of Strathclyde, UK. A senior member of the IEEE, Dr. Kumar has published more than 115 technical papers and is the author of two books from Artech House: Fixed and Mobile Terminal Antennas (1991) and Microwave Cavity Antennas (1989).

• Introduction: Background and History of Optical Fiber Technology. General Performance Considerations. Comparison of Losses. Applications and Reasons. Conclusions. Optical Fiber Types, Fabrication, Radiation, and Reliability: Introduction. Fiber Types. Advantages of Single-Mode Fiber Over Multi-Mode Fiber. Materials in the Fabrication. Fabrication Techniques. Nuclear Radiation Hardened Fibers. Mechanical Reliability and Fatigue for Silica Glass Fiber. Radio Frequency Beamforming/Scanning Techniques: Introduction. Lens-Based Beamforming/Scanning Techniques. Circuit Beamformers. Imaging Reflector Antennas. RF Electronic Beam Steering Techniques for Optical Fibers. References. Acousto-Optics Time-Delays for Phased Array Antennas: Introduction. Background of the Acousto-Optics. Delay Line Concept. Theory of the Delay Line. Time Delays arrangement for Phase Array Antennas. Experimental Results on Delay Lines and Phased Array Antennas. Two-Dimensional Array Antenna Beam Steering. Discussions and Conclusions. References. Optically Controlled Beam Scanning of Active Phased Array Antennas: Introduction. Application of Phase Shifters. Methods of Injection Locking. References. Hardware-Compressive Fiber Optical Delay Line for Steering of Phased Array Antennas: Introduction. Development of Binary Optical Delay Lines. Delay-Compressive Fiber Optical Delay Lines. Binary Fiber Optical Delay Line (BIFODEL) Architecture. Design of a Single BIFODEL Segment. Delay-Compressive Fiber Optic Delay Line. Conclusions. References. Optical Beam Steering of Antenna Array Using Two Lasers: Introduction. Concept of Optically Controlled Array. Pinhole Image Mask. Design of a Fiber-Optic Shutter Switch. Signal-to-Noise Ratio and Laser Output. Radiation Patterns and Reduction in Sidelobe Level. References.