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Resonance Enhancement in Laser-Produced Plasmas: Concepts and Applications

Resonance Enhancement in Laser-Produced Plasmas: Concepts and Applications

Rashid Ganeev

ISBN: 978-1-119-47224-7

Oct 2018

368 pages

Select type: Hardcover


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A comprehensive guide to a new technology for enabling high-performance spectroscopy and laser sources

Resonance Enhancement in Laser-Produced Plasmas offers a guide to the most recent findings in the newly emerged field of resonance-enhanced high-order harmonic generation using the laser pulses propagating through the narrow and extended laser-produced plasma plumes. The author—a noted expert in the field—presents an introduction and the theory that underpin the roles of resonances in harmonic generation. The book also contains a review of the most advanced methods of plasma harmonics generation at the conditions of coincidence of some harmonics, autoionizing states, and some ionic transitions possessing strong oscillator strengths.

Comprehensive in scope, this text clearly demonstrates the importance of resonance-enhanced nonlinear optical effects leading to formation of efficient sources of coherent extreme ultraviolet radiation that can be practically applied. This important resource:

  • Puts the focuses on novel applications of laser-plasma physics, such as the development of ultrashort-wavelength coherent light sources
  • Details both the theoretical and experimental aspects of higher-order harmonic generation in laser-produced plasmas
  • Contains information on early studies of resonance enhancement of harmonics in metal-ablated plasmas
  • Analyzes the drawbacks of different theories of resonant high order harmonic generation
  • Includes a discussion of the quasi-phase-matching and properties of semiconductor plasmas

Written for researchers and students in the fields of physics, materials science, and electrical engineering who are interested in laser physics and optics, Resonance Enhancement in Laser-Produced Plasmas offers an introduction to the topic and covers recent experimental studies of various resonance processes in plasmas leading to enhancement of single harmonic.


Chapter 1. High-order harmonic studies of the role of resonances on the temporal and efficiency characteristics of converted coherent pulses: different approaches

1.1. Resonance harmonic generation in gases: theory and experiment

1.2. Role of resonances in plasma harmonic experiments: intensity and temporal characterization of harmonics

References to Chapter 1

Chapter 2. Different theoretical approaches in plasma HHG studies at resonance conditions

2.1. Comparative analysis of the high-order harmonic generation in the laser ablation plasmas prepared on the surfaces of complex and atomic targets

2.2. Nonperturbative HHG in indium plasma: theory of resonant recombination

2.2.1. Principles of theory

2.2.2. Discussion

2.2.3. Important consequences

2.3. Simulation of resonant high-order harmonic generation in three-dimensional fullerenelike system by means of multiconfigurational time-dependent Hartree-Fock approach

2.3.1. Basics of the nonlinear optical studies of fullerenes

2.3.2. Simulations and discussion

2.4. Endohedral fullerenes: a way to control resonant HHG

2.4.1. Theoretical approach and details of computation

2.4.2. Results of simulations and discussion

2.5. Model of resonant high harmonic generation in multi-electron systems

2.5.1. Drawbacks of different theories of resonant HHG

2.5.2. Basics of the model

2.5.3. Calculations

References to Chapter 2

Chapter 3. Comparison of resonance harmonics: experiment and theory

3.1. Experimental and theoretical studies of two-color pump resonance-induced enhancement of odd and even harmonics from a tin plasma

3.1.1. Experimental studies

3.1.2. Theoretical approach

3.2. Comparative studies of resonance enhancement of harmonic radiation in indium plasma using multi-cycle and few-cycle pulses

3.2.1. Introduction

3.2.2. Indium emission spectra in the cases of 40 fs and 3.5 fs driving pulses

3.2.3. Testing the indium emission spectra obtained using 3.5 fs pulses

3.2.4. Theoretical consideration of the microscopic response

3.2.5. Experimental studies of harmonic yield on the CEP of laser pulse

3.2.6. Discussion

3.3. Indium plasma in the single- and two-color near infrared fields: enhancement of tunable harmonics

3.3.1. Description of problem

3.3.2. Experimental arrangements for HHG in indium plasma using tunable NIR pulses

3.3.3. Experimental studies of the resonance enhancement of NIR-induced harmonics in the indium plasma

3.3.4. Theory of the process

3.3.5. Discussion and comparison of theory and experiment

3.4. Resonance enhancement of harmonics in laser-produced Zn II and Zn III containing plasmas using tunable near infrared pulses

3.4.1. Single- and two-color pumps of zinc plasma

3.4.2. Modification of harmonic spectra at excitation of neutrals and doubly charged ions of Zn

3.4.3. Peculiarities of HHG in zinc plasma using tunable pulses

3.5. Application of tunable NIR radiation for resonance enhancement of harmonics in tin, antimony, and chromium plasmas

3.5.1. Experimental results

3.5.2. Theoretical analysis of resonance-enhanced harmonic spectra from Sn, Sb, and Cr plasmas

3.5.3. Discussion

3.6. Model of resonant high harmonic generation in multi-electron systems

3.6.1. Theory

3.6.2. Calculations

3.6.3. Experiment

References to Chapter 3

Chapter 4. Resonance enhancement of harmonics in metal-ablated plasmas: early studies

4.1. Indium plasma: ideal source for strong single enhanced harmonic

4.1.1. Strong resonance enhancement of single harmonic generated in extreme ultraviolet range

4.1.2. Chirp-induced enhancement of harmonic generation from indium-containing plasmas Preparation of the optimal plasmas Optimization of high harmonic generation Chirp control Discussion

4.2. Harmonic generation from different metal plasmas

4.2.1. Chromium plasma: sample for enhancement and suppression of harmonics

4.2.2. Studies of resonance induced single harmonic enhancement in manganese, tin, antimony, and chromium plasmas Manganese plasma Chromium plasma Antimony plasma Tin plasma Discussion of harmonic enhancement

4.2.3. Enhancement of high harmonics from plasmas using two-color pump and chirp variation of 1 kHz Ti:sapphire laser pulses Advances in using high pulse repetition source for HHG in plasmas Comparison of plasmas allowing generation of featureless and resonance-enhanced HHG spectra Discussion

4.3. Peculiarities of resonant and nonresonant harmonics generating in laser-produced plasmas

4.3.1. Spatial coherence measurements of non-resonant and resonant high-order harmonics generated in different plasmas Introduction Measurements of the spatial coherence of harmonics

4.3.2. Demonstration of the 101st harmonic generation from laser-produced manganese plasma Low cutoffs from plasma harmonics Experimental arrangements and initial research Analysis of cutoff extension

4.3.3. Isolated sub-fs XUV pulse generation in Mn plasma ablation Application of a few-cycle pulses for harmonic generation in plasmas: experiments with manganese plasma Theoretical calculations and discussion

References to Chapter 4

Chapter 5. Resonance processes in ablated semiconductors

5.1. High-order harmonic generation during propagation of femtosecond pulses through the laser-produced plasmas of semiconductors

5.1.1. Optimization of HHG

5.1.2. Resonance-induced enhancement of harmonics

5.1.3. Two-color pump

5.1.4. Quasi-phase-matching

5.1.5. Properties of semiconductor plasmas

5.1.6. Harmonic cut-offs

5.2. 27thharmonic enhancement by controlling the chirp of the driving laser pulse during high-order harmonic generation in Ga, As and Te plasmas

5.2.1. Optimization of HHG in GaAs plasma

5.2.2. Variation of the chirp of femtosecond pulses

5.2.3. Observation of single-harmonic enhancement due to quasi-resonance with the tellurium ion transition at 29.44 nm

5.3. Resonance enhanced twenty-first harmonic generation in the laser-ablation antimony plume at 37.67 nm

References to Chapter 5

Chapter 6. Resonance processes at different conditions of harmonic generation in laser-produced plasmas

6.1. Application of picosecond pulses for HHG

6.1.1. High-order harmonic generation of picosecond laser radiation in carbon-containing plasmas Experimental arrangements and results Discussion

6.1.2. Resonance enhancement of the 11th harmonic of 1064 nm picosecond radiation generating in the lead plasma Analysis of resonantly enhanced 11th harmonic Variation of resonance enhancement by insertion of gases

6.2. Size-related resonance processes influencing harmonic generation in plasmas

6.2.1. Resonance-enhanced harmonic generation in nanoparticle-containing plasmas Experimental arrangements In2O3 nanoparticles Mn2O3 nanoparticles Sn nanoparticles Discussion

6.2.2. High-order harmonic generation from fullerenes

References to Chapter 6

Chapter 7. Comparison of the resonance-, nanoparticle-, and quasi-phase-matching-induced processes leading to the growth of high-order harmonic yield

7.1. Introduction

7.2. Quasi-phase-matched high-order harmonic generation in laser-produced plasmas

7.2.1. Experimental arrangements

7.2.2. Experimental observations of QPM

7.2.3. Modeling HHG in plasma plumes

7.2.4. Discussion and comparison of theory and experiment

7.3. Influence of a few-atomic silver molecules on the high-order harmonic generation in the laser-produced plasmas

7.3.1. Introduction

7.3.2. Experimental setup

7.3.3. Harmonic generation and morphology of ablated materials

7.3.4. Discussion

7.4. Controlling single harmonic enhancement in laser-produced plasmas

7.4.1. On the method of harmonic enhancement

7.4.2. Experimental conditions for observation of the control of harmonic enhancement

7.4.3. Featureless and resonance-enhanced harmonic distributions

7.4.4. Comparison of plasma and harmonic spectra in the LPPs allowing generation of resonantly enhanced harmonics Zinc plasma Antimony plasma Cadmium plasma Indium plasma Manganese plasma

7.4.5. Basics of alternative model of enhancement

7.5. Comparison of micro- and macro-processes during the high-order harmonic generation in laser-produced plasma

7.5.1. Basic principles of comparison

7.5.2. Results of comparative experiments

7.5.3. Discussion of comparative experiments

References to Chapter 7