Download CTF3-Note-101 Comprehensive user manual for the
Transcript
Contents 1. 2. 3. 4. 5. 6. 7. Introduction 1.1. Advantage of laser based phase-coding 1.2. Requirements/specification/precision Design choice 2.1. Pockels-cell option at high power 2.2. Fiber optic polarization switch 2.3. Fiber modulator solution 2.3.1. Initial tests/ one modulator scheme 2.3.2. Two modulator scheme System setup 3.1. Online amplitude and phase adjustment 3.1.1. The frequency domain method 3.1.2. The time domain method 3.1.3. Comparison of accuracy between the two methods 3.2. Components 3.2.1. Coupling into the fiber 3.2.2. The 50/50 splitter/ combiner from Photline 3.2.3. Modulators 3.2.4. Delay line 3.2.5. Attenuator 3.3. Assembly 3.3.1. Fiber input set up to the Thorlabs Nanomax stage 3.3.2. Delay setup 3.3.3. Modulator transmission setup 3.3.4. Driver setup 3.3.5. Final adjustment Integration into the laser chain 4.1. Fiber amplifier 4.2. Beam profile and stability 4.3. Full amplification/ Harmonics 4.4. Timing signals for the phase-coding Measurements with phase-coding 5.1. Measurements on the laser 5.1.1. Timing and amplitude accuracy 5.1.2. Satellite measurements 5.2. Measurements on PHIN 5.2.1. Cherenkov-line measurements 5.2.2. FCT measurements 5.2.3. Energy measurements Future improvements Conclusion