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J. Schmerge · SciRah

Researcher profile · Semantic Scholar

J. Schmerge

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J. Schmerge — researcher profile on SciRah

h-index: 18
Works: 100
Citations: 1,748

Most-cited papers

Ultrafast electron microscopy in materials science, biology, and chemistry
W. King, G. Campbell, A. Frank, B. Reed +4 more
2005336 citations
Semantic Scholar
The Quantum Efficiency and Thermal Emittance of Metal Photocathodes
D. Dowell, J. Schmerge
2009242 citations Open access
Semantic Scholar
Ultrafast Time-Resolved Electron Diffraction with Megavolt Electron Beams
J. Hastings, F. Rudakov, D. Dowell, J. Schmerge +5 more
2006212 citations
Semantic Scholar
Commissioning the LCLS Injector
R. Akre, D. Dowell, P. Emma, J. Frisch +12 more
2008147 citations Open access
Semantic Scholar
Commissioning the Linac Coherent Light Source injector
R. Akre, D. Dowell, P. Emma, J. Frisch +12 more
2008114 citations Open access
Semantic Scholar
In-Situ Cleaning of Metal Cathodes Using a Hydrogen Ion Beam
D. Dowell, F. King, R. Kirby, J. Schmerge
200547 citations Open access
Semantic Scholar
In situ cleaning of metal cathodes using a hydrogen ion beam
D. Dowell, F. King, R. Kirby, J. Schmerge +1 more
200643 citations Open access
Semantic Scholar
Exact cancellation of emittance growth due to coupled transverse dynamics in solenoids and rf couplers
D. Dowell, Feng Zhou, J. Schmerge
201733 citations Open access
Semantic Scholar
High-brightness beam tests of the very high frequency gun at the Advanced Photo-injector EXperiment test facility at the Lawrence Berkeley National Laboratory.
F. Sannibale, D. Filippetto, H. Qian, Chad Mitchell +5 more
2019Review of Scientific Instruments31 citations Open access
Semantic Scholar
The Development of the Linac Coherent Light Source RF Gun
D. Dowell, E. Jongewaard, J. Lewandowski, C. Limborg-Deprey +5 more
200831 citations
Semantic Scholar
The Linac Coherent Light Source II photoinjector laser infrastructure
Hao Zhang, S. Gilevich, A. Miahnahri, S. Alverson +22 more
2023High Power Laser Science and Engineering28 citations Open access
Semantic Scholar
Slice emittance measurements at the SLAC gun test facility
D. Dowell, P. Bolton, J. Clendenin, P. Emma +5 more
200328 citations
Semantic Scholar
The LCLS-II Injector Design
J. Schmerge, A. Brachmann, D. Dowell, A. Fry +19 more
201526 citations
Semantic Scholar
The design for the LCLS RF photoinjector
R. Alley, V. Bharadwaj, J. Clendenin, P. Emma +12 more
199925 citations Open access
Semantic Scholar
A two-Frequency RF Photocathode Gun
D. Dowell, M. Ferrario, T. Kimura, J. Lewellen +6 more
200421 citations Open access
Semantic Scholar
Compact far-IR FEL design
Yen-Chieh Huang, J. Schmerge, J. Harris, G. Gallerano +2 more
199221 citations Open access
Semantic Scholar
Longitudinal emittance measurements at the SLAC gun test facility
D. Dowell, P. Bolton, J. Clendenin, S. Gierman +4 more
200320 citations
Semantic Scholar
A novel electron accelerator for MRI-Linac radiotherapy.
B. Whelan, S. Gierman, L. Holloway, J. Schmerge +2 more
2016Medical Physics (Lancaster)19 citations Open access
Semantic Scholar
PICOSECOND ABSORPTION DYNAMICS OF PHOTOEXCITED INGAP EPITAXIAL FILMS
P. Thiagarajan, J. Schmerge, C. Menoni, M. Marconi +5 more
199118 citations Open access
Semantic Scholar
Beam ion instability: Measurement, analysis, and simulation
L. Wang, J. Safranek, Yun-Hai Cai, J. Corbett +4 more
201317 citations Open access
Semantic Scholar
Erratum: Quantum efficiency and thermal emittance of metal photocathodes [Phys. Rev. ST Accel. Beams 12, 074201 (2009)]
D. Dowell, J. Schmerge
200916 citations Open access
Semantic Scholar
Experimental verification of the 3-step model of photoemission for energy spread and emittance measurements of copper and CsBr-coated copper photocathodes suitable for free electron laser applications
J. Maldonado, P. Pianetta, D. Dowell, J. Corbett +4 more
201215 citations
Semantic Scholar
Reduction of thermal emittance of RF guns
J. Clendenin, T. Kotseroglou, G. Mulhollan, D. Palmer +1 more
200015 citations Open access
Semantic Scholar
The free-electron laser as a laboratory instrument
J. Schmerge, J. Lewellen, Yen-Chieh Huang, J. Feinstein +1 more
199515 citations
Semantic Scholar
Electron beam characterization for a compact far-infrared free-electron laser
Yen-Chieh Huang, H.-C. Wang, R. Pantell, J. Schmerge +2 more
199514 citations
Semantic Scholar
RF Injector Beam Dynamics Optimization for LCLS-II
C. Papadopoulos, P. Emma, D. Filippetto, T. Raubenheimer +4 more
201412 citations
Semantic Scholar
Megavolt Electron Beams for Ultrafast Time‐Resolved Electron Diffraction
Fedor Rudakov, J. Hastings, D. Dowell, J. Schmerge +1 more
200612 citations
Semantic Scholar
Preliminary emission characteristic measurements for a $300k FIR FEL
J. Lewellen, J. Schmerge, Yen-Chieh Huang, J. Feinstein +1 more
199512 citations Open access
Semantic Scholar
Commissioning Results of the LCLS Injector
D. Dowell, R. Akre, Y. Ding, P. Emma +18 more
200711 citations
Semantic Scholar
LCLS Gun Solenoid Design Considerations
J. Schmerge
201010 citations Open access
Semantic Scholar
Initial commissioning experience with the LCLS injector
R. Akre, J. Castro, Y. Ding, D. Dowell +22 more
2007IEEE Symposium on Privacy-Aware Computing9 citations Open access
Semantic Scholar
Rf Gun Photo-Emission Model for Metal Cathodes Including Time Dependent Emission
J. Schmerge, J. Clendenin, D. Dowell, S. Gierman
20069 citations Open access
Semantic Scholar
Photocathode rf gun emittance measurements using variable-length laser pulses
J. Schmerge, M. Hernandez, M. Hogan, D. Reis +1 more
1999Photonics West9 citations
Semantic Scholar
EMITTANCE AND QUANTUM EFFICIENCY MEASUREMENTS FROM A 1.6 CELL S-BAND PHOTOCATHODE RF GUN WITH MG CATHODE
J. Schmerge, J. Castro, J. Clendenin, D. Dowell +2 more
20048 citations Open access
Semantic Scholar
An accelerator/wiggler for high efficiency FEL operation
J. Schmerge, J. Lewellen, J. Harris, Yen-Chieh Huang +2 more
19948 citations
Semantic Scholar
Sensitivity studies for the LCLS photoinjector beamline
C. Limborg, P. Bolton, D. Dowell, S. Gierman +1 more
20047 citations
Semantic Scholar
NEW OPTIMIZATION FOR THE LCLS PHOTO-INJECTOR
C. Limborg, J. Clendenin, D. Dowell, S. Gierman +1 more
20027 citations
Semantic Scholar
First Commissioning of LCLS-II CW Injector Source
Feng Zhou, C. Adolphsen, A. Benwell, Garth Brown +14 more
20196 citations
Semantic Scholar
LCLS-II Injector Physics Design and Beam Tuning
Feng Zhou, D. Dowell, P. Emma, C. Mitchell +2 more
20175 citations
Semantic Scholar
APEX Phase-II Commissioning Results at the Lawrence Berkeley National Laboratory
F. Sannibale, J. Doyle, Jun Feng, D. Filippetto +20 more
20165 citations
Semantic Scholar
RF Injector Beam Dynamics Optimization and Injected Beam Energy Constraints for LCLS-II
C. Mitchell, P. Emma, Hou-Jun Qian, J. Qiang +5 more
20165 citations
Semantic Scholar
LCLS-II INJECTOR BEAMLINE DESIGN AND RF COUPLER CORRECTION
Feng Zhou, D. Dowell, Ren-Kai Li, T. Raubenheimer +5 more
20155 citations
Semantic Scholar
OPERATING A TUNGSTEN DISPENSER CATHODE IN PHOTOEMISSION MODE ∗
S. Gierman, P. Bolton, J. Corbett, G. Hays +5 more
20105 citations
Semantic Scholar
Modifications on RF Components in the LCLS Injector
C. Limborg-Deprey, L. Xiao, D. Dowell, Zeng-Hai Li +1 more
2005Proceedings of the 2005 Particle Accelerator Conference5 citations Open access
Semantic Scholar
High gradient rf gun studies of CsBr photocathodes
T. Vecchione, J. Maldonado, Stephen Gierman, J. Corbett +4 more
20154 citations Open access
Semantic Scholar
Tracking Study for Top-off Safety Validation at SSRL
Xiao-Biao Huang, J. M. Bauer, J. Corbett, D. Dell'Orco +9 more
20114 citations Open access
Semantic Scholar
LINAC COHERENT LIGHT SOURCE ELECTRON BEAM COLLIMATION
Jan-Jan Wu, D. Dowell, P. Emma, C. Limborg-Deprey +1 more
20074 citations
Semantic Scholar
THE S-BAND 1.6 CELL RF GUN CORRELATED ENERGY SPREAD DEPENDENCE ON π AND 0 MODE RELATIVE AMPLITUDE
J. Schmerge, J. Castro, J. Clendenin, D. Dowell +2 more
20074 citations
Semantic Scholar
Reducing the Heat Load on the LCLS 120 Hz RF Gun with RF Pulse Shaping
J. Schmerge
20054 citations Open access
Semantic Scholar
SSRL Performance Enhancements
J. Schmerge, J. Corbett, S. Gierman, R. Hettel +8 more
20133 citations Open access
Semantic Scholar

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