Third-Generation Femtosecond Technology
This thesis offers a thorough and informative study of high-power, high-energy optical parametric chirped pulse amplifications systems, the foundation of the next generation of femtosecond laser technology. Starting from the basics of the linear processes involved and the essential design considerations, the author clearly and systematically describes the various prerequisites of the nonlinear optical systems expected to drive attosecond physics in the coming decade. In this context, he gives an overview of methods for generating the broadband and carrier-envelope-phase stable seed pulses necessary for producing controlled electric-field waveforms in the final system; provides a guide to handling the high-power, high-energy pump lasers required to boost the pulse energy to the desired operating range; describes the design of the nonlinear optical system used to perform the amplification, including modes of operation for ultra-broadband infrared-visible pulses or narrowband (yet still ultrafast) pulses tunable over multiple octaves; and finally presents a prospective high-energy field synthesizer based upon these techniques. As such, this work is essential reading for all scientists interested in utilizing the newest generation of ultrafast systems.
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2 How to Amplify Photons
3 Broadband Seed Generation
4 Regenerative Amplifiers
5 Experimental OPCPA
6 Design of a Multiterawatt Field Synthesizer LWSpro
7 Conclusion and Outlook
Appendix A In Situ Spectral Interferometry as a PulseCompression Tool
Appendix B Toolbox and Ideas
Appendix C Simulation Details of Fig 12
Appendix D 1psPumped Supercontinuum Generation
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amplification gain amplified pulses amplified signal amplified spectrum attosecond average power BBO crystal beam profile broadband CEP-stable channels chirped mirrors chirped pulse amplification chirped-pulse amplification compressed conversion efficiency crystal length Fattahi few-cycle pulses frequency fs pulses FWHM gain medium Gaussian group velocity idler increase input seed energy Krausz F LiNbO3 multi-octave noncollinear angle OPCPA seed OPCPA stage OPCPA system Opt Lett optical parametric amplifiers oscillator output parametric amplification peak intensity peak power periodically poled phase-matching angle phase-mismatch photons polarization pulse duration pump intensity pump power pump pulses pump-pulse duration regenerative amplifier regime repetition rate second harmonic seed pulses signal energy signal pulses simulation spatial spectral bandwidth spectral broadening spectral components spectral phase stability supercontinuum Switzerland 2016 synthesizer temporal contrast temporal profile temporal walk-off thin-disk regenerative amplifier Third-Generation Femtosecond Technology Ti:sapphire tunable wave waveform wavelength nm Yb:YAG thin-disk