Professor Jon Marangos

Weber SJ, Witting T, Tisch JWG, Marangos JPet al., 2013, Single cycle midIR pulse: spatial, temporal and absolute phase characterisation, Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference (CLEO/Europe-IQEC), Publisher: IEEE

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Weber SJ, Oppermann M, Frasinski LJ, Marangos JPet al., 2013, Dynamical coupling of molecular rotation and Coulomb explosion, Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference (CLEO/Europe-IQEC), Publisher: IEEE

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Witting T, Ganeev RA, Frank F, Tudorovskaya M, Okell WA, Abdelraman Z, Fabris D, Hutchinson C, Lein M, Marangos JP, Tisch JWGet al., 2013, Isolated Attosecond Pulse Generation in Transition Metal Ablation Plumes, Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference (CLEO/Europe-IQEC), Publisher: IEEE

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Oppermann M, Weber SJ, Frasinski LJ, Marangos JPet al., 2013, Controlling ionisation and fragmentation processes in CO₂ via inelastic electron recollisions, 18th International Conference on Ultrafast Phenomena, Publisher: E D P SCIENCES, ISSN: 2100-014X

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Fabris D, Witting T, Henkel J, Frank F, Okell WA, Abdelrahman Z, Lein M, Marangos JP, Tisch JWGet al., 2013, Sub-fs pulse generation and characterisation in the VUV, Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference (CLEO/Europe-IQEC), Publisher: IEEE

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Balciunas T, Haessler S, Fan GY, Andriukaitis G, Pugzlys A, Baltuska A, Zair A, Squibb R, Chipperfield L, Frasinski L, Tisch JWG, Marangos Jet al., 2013, Toward a "Perfect-Wave" HHG Driving With a Multicolor OPA, 18th International Conference on Ultrafast Phenomena, Publisher: E D P SCIENCES, ISSN: 2100-014X

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• Citations: 2

Hutchison C, Ganeev RA, Castillejo M, Lopez-Quintas I, Zair A, Weber SJ, McGrath F, Abdelrahman Z, Oppermann M, Martin M, Lei DY, Maier SA, Tisch JWG, Marangos JPet al., 2013, Comparison of high-order harmonic generation in uracil and thymine ablation plumes, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Vol: 15, Pages: 12308-12313, ISSN: 1463-9076

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• Citations: 24

Wyatt AS, Witting T, Schiavi A, Fabris D, Marangos JP, Tisch JWG, Walmsley IAet al., 2013, Attosecond Sampling of Arbitrary Optical Waveforms, Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference (CLEO/Europe-IQEC), Publisher: IEEE

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Witting T, Weber SJ, Tisch JWG, Marangos JPet al., 2012, Spatio-temporal characterization of mid-infrared laser pulses with spatially encoded spectral shearing interferometry, OPTICS EXPRESS, Vol: 20, Pages: 27974-27980, ISSN: 1094-4087

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• Citations: 13

Ganeev RA, Hutchison C, Witting T, Frank F, Okell WA, Roschuk TR, Maier SA, Tisch JWG, Marangos JPet al., 2012, Extended homogeneous nanoripple formation during interaction of high-intensity few-cycle pulses with a moving silicon wafer, Applied Physics A-Materials Science & Processing, ISSN: 0947-8396

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Ganeev RA, Witting T, Hutchison C, Frank F, Tudorovskaya M, Lein M, Okell WA, Zair A, Marangos JP, Tisch JWGet al., 2012, Isolated sub-fs XUV pulse generation in Mn plasma ablation, OPTICS EXPRESS, Vol: 20, Pages: 25239-25248, ISSN: 1094-4087

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• Citations: 38

Ganeev RA, Hutchison C, Witting T, Frank F, Okell WA, Zair A, Weber S, Redkin PV, Lei DY, Roschuk T, Maier SA, Lopez-Quintas I, Martin M, Castillejo M, Tisch JWG, Marangos JPet al., 2012, High-order harmonic generation in graphite plasma plumes using ultrashort laser pulses: a systematic analysis of harmonic radiation and plasma conditions, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, Vol: 45, ISSN: 0953-4075

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• Citations: 44

Frank F, Arrell C, Witting T, Okell WA, McKenna J, Robinson JS, Haworth CA, Austin D, Teng H, Walmsley IA, Marangos JP, Tisch JWGet al., 2012, Invited Review Article: Technology for Attosecond Science, REVIEW OF SCIENTIFIC INSTRUMENTS, Vol: 83, ISSN: 0034-6748

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• Citations: 62

Petrovic VS, Siano M, White JL, Berrah N, Bostedt C, Bozek JD, Broege D, Chalfin M, Coffee RN, Cryan J, Fang L, Farrell JP, Frasinski LJ, Glownia JM, Guhr M, Hoener M, Holland DMP, Kim J, Marangos JP, Martinez T, McFarland BK, Minns RS, Miyabe S, Schorb S, Sension RJ, Spector LS, Squibb R, Tao H, Underwood JG, Bucksbaum PHet al., 2012, Transient X-Ray Fragmentation: Probing a Prototypical Photoinduced Ring Opening, Physical Review Letters, Vol: 108, Pages: 253006-1-253006-4

We report the first study of UV-induced photoisomerization probed via core ionization by an x-ray laser. We investigated x-ray ionization and fragmentation of the cyclohexadiene-hexatriene system at 850 eV during the ring opening. We find that the ion-fragmentation patterns evolve over a picosecond, reflecting a change in the state of excitation and the molecular geometry: the average kinetic energy per ion fragment and H+ ion count increase as the ring opens and the molecule elongates. We discuss new opportunities for molecular photophysics created by optical pump x-ray probe experiments.

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Hutchison C, Ganeev RA, Witting T, Frank F, Okell WA, Tisch JWG, Marangos JPet al., 2012, Stable generation of high-order harmonics of femtosecond laser radiation from laser produced plasma plumes at 1 kHz pulse repetition rate, OPTICS LETTERS, Vol: 37, Pages: 2064-2066, ISSN: 0146-9592

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• Citations: 51

Witting T, Frank F, Okell WA, Arrell CA, Marangos JP, Tisch JWGet al., 2012, Sub-4-fs laser pulse characterization by spatially resolved spectral shearing interferometry and attosecond streaking, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, Vol: 45, ISSN: 0953-4075

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• Citations: 34

Cryan JP, Glownia JM, Andreasson J, Belkacem A, Berrah N, Blaga CI, Bostedt C, Bozek J, Cherepkov NA, DiMauro LF, Fang L, Gessner O, Guehr M, Hajdu J, Hertlein MP, Hoener M, Kornilov O, Marangos JP, March AM, McFarland BK, Merdji H, Messerschmidt M, Petrovic VS, Raman C, Ray D, Reis DA, Semenov SK, Trigo M, White JL, White W, Young L, Bucksbaum PH, Coffee RNet al., 2012, Molecular frame Auger electron energy spectrum from N₂, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, Vol: 45, ISSN: 0953-4075

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• Citations: 24

Ganeev RA, Strelkov VV, Hutchison C, Zair A, Kilbane D, Khokhlova MA, Marangos JPet al., 2012, Experimental and theoretical studies of two-color-pump resonance-induced enhancement of odd and even harmonics from a tin plasma, PHYSICAL REVIEW A, Vol: 85, ISSN: 1050-2947

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• Citations: 63

Ganeev RA, Witting T, Hutchison C, Frank F, Redkin PV, Okell WA, Lei DY, Roschuk T, Maier SA, Marangos JP, Tisch JWGet al., 2012, Enhanced high-order-harmonic generation in a carbon ablation plume, PHYSICAL REVIEW A, Vol: 85, ISSN: 1050-2947

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• Citations: 56

Ganeev RA, Hutchison C, Zair A, Witting T, Frank F, Okell WA, Tisch JWG, Marangos JPet al., 2012, Enhancement of high harmonics from plasmas using two-color pump and chirp variation of 1 kHz Ti:sapphire laser pulses, OPTICS EXPRESS, Vol: 20, Pages: 90-100, ISSN: 1094-4087

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• Citations: 37

Arrell CA, Skopalova E, Lei DY, Uphues T, Sonnefraud Y, Okell WA, Frank F, Witting T, Maier SA, Marangos JP, Tisch JWGet al., 2012, A system for conducting surface science with attosecond pulses, Pages: 359-363, ISSN: 0930-8989

We report the development of an apparatus to allow time resolved photoelectron spectroscopy of charge motion on solids and structured surfaces with attosecond resolution in an ultra high vacuum environment. The system, connected to the Attosecond Beamline at Imperial College, allows probing of charge dynamics on surfaces and plasmonic fields on structured surfaces with a few-cycle NIR pulse and attosecond pulse trains. The system incorporates novel methods of vibration isolation to eliminate vibrations coupling to sample and optics from mechanical vibrations. An isolated attosecond pulse can also be used with the addition of a multilayer XUV optic. A two-photon photoemission measure of a hot electron population in gold is presented. © Springer-Verlag Berlin Heidelberg 2012.

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Balciunas T, Haessler S, Andriukaitis G, Pugzlys A, Baltuska A, Zair A, Squibb R, Chipperfield L, Frasinski L, Tisch JWG, Marangos JPet al., 2012, Toward "Perfect-Wave" HHG Driving With a Multicolor OPA, Conference on Lasers and Electro-Optics (CLEO), Publisher: IEEE, ISSN: 2160-9020

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Oppermann M, Weberw SJ, Marangos JP, 2012, Characterising and optimising impulsive molecular alignment in mixed gas samples, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, Vol: 14, Pages: 9785-9791, ISSN: 1463-9076

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• Citations: 10

Baker S, Walmsley IA, Tisch JWG, Marangos JPet al., 2011, Femtosecond to attosecond light pulses from a molecular modulator, NATURE PHOTONICS, Vol: 5, Pages: 665-672, ISSN: 1749-4885

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• Citations: 67

Brugnera L, Hoffmann DJ, Siegel T, Frank F, Zair A, Tisch JWG, Marangos JPet al., 2011, Trajectory Selection in High Harmonic Generation by Controlling the Phase between Orthogonal Two-Color Fields, PHYSICAL REVIEW LETTERS, Vol: 107, ISSN: 0031-9007

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• Citations: 96

Arrell C, Skopolova E, Lei D, Uphues T, Sonnefraud Y, Okell W, Frank F, Witting T, Maier S, Marangos JP, Tisch JWGet al., 2011, A system for doing surface science with attosecond pulses

Recently the use of isolated attosecond pulses has allow unprecedented temporal resolution of charge motion in gases and condensed matter [1,2]. A surface science apparatus has been constructed to allow the ultrafast charge dynamics on rough and structured surfaces to be investigated. The system is connected to the Attosecond source at Imperial College allowing isolated attosecond bursts of XUV radiation to be used as a probe Fig.2. © 2011 IEEE.

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Skopalová E, Lei DY, Witting T, Arrell C, Frank F, Sonnefraud Y, Maier SA, Tisch JWG, Marangos JPet al., 2011, Numerical simulation of attosecond nanoplasmonic streaking, New Journal of Physics, Vol: 13, Pages: 083003-083003, ISSN: 1367-2630

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Ganeev RA, Hutchison C, Siegel T, Zair A, Marangos JPet al., 2011, Quantum path signatures in harmonic spectra from metal plasma, PHYSICAL REVIEW A, Vol: 83, ISSN: 1050-2947

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• Citations: 15

Austin DR, Witting T, Arrell CA, Frank F, Wyatt AS, Marangos JP, Tisch JWG, Walmsley IAet al., 2011, Lateral shearing interferometry of high-harmonic wavefronts, OPTICS LETTERS, Vol: 36, Pages: 1746-1748, ISSN: 0146-9592

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• Citations: 30

Witting T, Frank F, Arrell CA, Okell WA, Marangos JP, Tisch JWet al., 2011, Characterization of high-intensity sub-4-fs laser pulses using spatially encoded spectral shearing interferometry., Opt Lett, Vol: 36, Pages: 1680-1682

We report on the full amplitude and phase characterization of high-intensity few-cycle laser pulses generated in a single-stage hollow core fiber system with subsequent compression by ultrabroadband chirped mirrors. We use a spatially-encoded arrangement (SEA) spectral phase interferometry for direct electric field reconstruction (SPIDER) with spectral filters for ancilla generation to characterize the sub-4 fs pulses with spatial resolution.

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