The name is absent



Contents

Abstract                                                                       ii

Acknowledgments                                                     iv

List of Illustrations                                                                  ix

1 Introduction                                            1

1.1  Terahertz imaging and compressive sensing............... 3

1.2 Scope of this thesis............................ 4

2 Background                                       6

2.1 Terahertz imaging............................. 6

2.1.1 Time-domain terahertz system.................. 6

2.1.2 Imaging with a time-domain spectrometer........... 11

2.1.3 Other imaging methods ..................... 14

2.1.4 Terahertz imaging applications  ................. 17

2.2  Compressive sensing (CS) ........................ 17

2.2.1 CS background.......................... 17

2.2.2 CS imaging applications..................... 21

3 A CS Fourier terahertz imaging system               22

3.1  Imaging setup............................... 22

3.2  Experimental results........................... 23

3.2.1 Fourier reconstruction with full dataset............. 23

3.2.2 CS reconstruction with partial dataset............. 24

3.2.3 CS and phase retrieval...................... 27



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