Sub-Doppler laser cooling

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Table of contents

1 Introduction 
1.1 Quantum gases
1.2 Ultracold atoms { a highly controllable model system
1.3 Quantum degenerate Fermi gases
1.4 Fermi-Fermi mixtures with two different atomic species
1.5 Sub-Doppler laser cooling
1.6 Thesis outline
2 Experimental setup 
2.1 Design
2.2 Vacuum system
2.3 D2 laser system
2.4 6Li Zeeman slower
2.5 40K 2D-MOT
2.5.1 Principle of a 2D-MOT
2.5.2 Experimental setup
2.5.3 Characterization of the 2D-MOT upgrade
2.6 6Li-40K dual-species MOT
2.6.1 Experimental setup
2.7 Optical molasses { D1 sub-Doppler cooling
2.7.1 Compressed MOT
2.7.2 D1 laser system
2.7.3 Implementation of the D1 molasses
2.8 Magnetic trapping
2.8.1 Transfer to the magnetic quadrupole trap
2.9 Magnetic transport
2.10 Optically plugged magnetic quadrupole trap
2.10.1 Coils
2.10.2 Optical plug
2.10.3 RF evaporative cooling
2.11 Optical dipole trap
2.11.1 Power stabilization
2.11.2 ODT2
2.12 Optical setup { Science Cell
2.13 Diagnostic tools
2.13.1 Fluorescence monitoring
2.13.2 Absorption imaging
2.13.3 Experiment control and data acquisition
2.14 Conclusion
3 High power 671 nm laser system 
3.1 Introduction
3.2 First generation
3.2.1 The Nd:YVO4 gain medium
3.2.2 Crystal structure
3.2.3 Absorption
3.2.4 Thermal effects in solid-state lasers
3.2.5 Performance
3.3 Second generation: Intracavity-frequency-doubling
3.3.1 The fundamental laser
3.3.2 Encient intracavity second-harmonic generation
3.3.3 Tuning behavior and nonlinear-Kerr-lens mode locking
3.3.4 Conclusion
3.4 Third generation: Power scaling
3.4.1 Scheme
3.4.2 Infrared laser
3.4.3 Doubling cavity
3.4.4 Locking scheme
3.4.5 Experimental results
3.5 Conclusion
4 Simultaneous sub-Doppler laser cooling of fermionic 6Li and 40K 
4.1 Prelude: Laser cooling
4.1.1 Doppler cooling
4.1.2 Bright optical molasses
4.1.3 Sub-recoil laser cooling
4.1.4 Velocity selective coherent population trapping (VSCPT)
4.1.5 Gray optical molasses
4.2 D1 sub-Doppler laser cooling
4.2.1 40K D1 molasses
4.2.2 6Li D1 molasses
4.2.3 Raman-detuning dependance
4.2.4 Simultaneous D1 cooling of 6Li and 40K
4.3 Conclusion
5 Magnetic trapping, transport and evaporation 
5.1 Magnetic trapping
5.1.1 Principles of magnetic trapping
5.1.2 Transfer from the D1 molasses to the magnetic quadrupole trap
5.2 Thermalization and non-ergodicity
5.2.1 Thermalization experiment
5.2.2 Non-ergodicity
5.3 Magnetic transport
5.3.1 Algorithm { Keynote
5.3.2 Algorithm { Calculating the time-dependent transport currents
5.3.3 Experimental results
5.4 Evaporative cooling
5.4.1 Principle of evaporative cooling
5.4.2 Cooling approach
5.5 Conclusion
6 Conclusion