Class information for:
Level 1: FREE ELECTRON LASER//SASE//HGHG

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
177 3972 15.8 57%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1076 9442 FREE ELECTRON LASER//PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//FREE ELECTRON LASERS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 FREE ELECTRON LASER Author keyword 92 27% 7% 297
2 SASE Author keyword 45 55% 1% 57
3 HGHG Author keyword 34 93% 0% 13
4 FREE ELECTRON LASERS Author keyword 34 29% 3% 100
5 SELF AMPLIFIED SPONTANEOUS EMISSION Author keyword 29 71% 1% 24
6 FEL Author keyword 18 21% 2% 74
7 PARTICLE BEAM PHYS Address 16 65% 0% 15
8 GENESIS 13 Author keyword 12 86% 0% 6
9 SASE FEL Author keyword 11 54% 0% 14
10 TWO STREAM FREE ELECTRON LASER Author keyword 11 100% 0% 6

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 FREE ELECTRON LASER 92 27% 7% 297 Search FREE+ELECTRON+LASER Search FREE+ELECTRON+LASER
2 SASE 45 55% 1% 57 Search SASE Search SASE
3 HGHG 34 93% 0% 13 Search HGHG Search HGHG
4 FREE ELECTRON LASERS 34 29% 3% 100 Search FREE+ELECTRON+LASERS Search FREE+ELECTRON+LASERS
5 SELF AMPLIFIED SPONTANEOUS EMISSION 29 71% 1% 24 Search SELF+AMPLIFIED+SPONTANEOUS+EMISSION Search SELF+AMPLIFIED+SPONTANEOUS+EMISSION
6 FEL 18 21% 2% 74 Search FEL Search FEL
7 GENESIS 13 12 86% 0% 6 Search GENESIS+13 Search GENESIS+13
8 SASE FEL 11 54% 0% 14 Search SASE+FEL Search SASE+FEL
9 TWO STREAM FREE ELECTRON LASER 11 100% 0% 6 Search TWO+STREAM+FREE+ELECTRON+LASER Search TWO+STREAM+FREE+ELECTRON+LASER
10 NONLINEAR HARMONIC GENERATION 9 83% 0% 5 Search NONLINEAR+HARMONIC+GENERATION Search NONLINEAR+HARMONIC+GENERATION

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 FEL 222 54% 7% 289
2 FREE ELECTRON LASER 110 22% 11% 437
3 WIGGLER 95 53% 3% 126
4 WIGGLERS 67 78% 1% 45
5 HELICAL WIGGLER 67 89% 1% 31
6 TESLA TEST FACILITY 58 73% 1% 44
7 SASE FEL 54 68% 1% 48
8 AXIAL GUIDE FIELD 45 83% 1% 25
9 GAIN HARMONIC GENERATION 45 83% 1% 25
10 FREE ELECTRON LASERS 36 32% 2% 93

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Review of x-ray free-electron laser theory 2007 118 73 92%
X-ray free-electron lasers 2010 145 65 68%
A REVIEW OF FREE-ELECTRON LASERS 1989 174 130 81%
Harmonic undulator free electron laser and betatron oscillations 2006 17 19 84%
THE PHYSICS OF FREE-ELECTRON LASERS - AN INTRODUCTION 1995 20 39 92%
Electron beam brightness in linac drivers for free-electron-lasers 2014 3 107 52%
Simulation codes for high brightness electron beam free-electron laser experiments 2003 11 45 71%
Attosecond Hard X-ray Free Electron Laser 2013 2 37 86%
FREE-ELECTRON LASER SIMULATION TECHNIQUES 1990 20 22 100%
Harmonic lasing of X-ray free electron laser: on the way to smaller and cheaper 2013 2 38 79%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 PARTICLE BEAM PHYS 16 65% 0.4% 15
2 PARTICLE ACCELERATOR PHYS 9 83% 0.1% 5
3 PARTICLE PHYS LSVE 6 80% 0.1% 4
4 ATF 5 55% 0.2% 6
5 LCP CLIO 4 75% 0.1% 3
6 STANFORD PICOSECOND FEL 4 56% 0.1% 5
7 RIC FRASCATI 3 10% 0.8% 32
8 FUS ESTAB 3 57% 0.1% 4
9 FREE ELE ON LASER 3 15% 0.5% 20
10 RIC BOLOGNA 3 40% 0.2% 6

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000244916 OPTICAL KLYSTRON//STORAGE RING FREE ELECTRON LASER//STORAGE RING
2 0.0000229491 COHERENT RADIAT//GAUGE COUPLING CONSTANTS//RAMAN NATH EQUATIONS
3 0.0000137399 CHERENKOV LASER//CERENKOV LASER//CHERENKOV FREE ELECTRON LASER
4 0.0000131665 DIFFRACTION RADIATION//COHERENT SYNCHROTRON RADIATION//TRANSITION RADIATION
5 0.0000129827 SYNCHROTRON CHERENKOV RADIATION//BUNCHED ELECTRONS//PLANE WIGGLER
6 0.0000115251 LINAC COHERENT LIGHT SOURCE//MAX PLANCK ADV STUDY GRP//EUROPEAN XFEL
7 0.0000107285 UNDULATORS//INSERTION DEVICES//SUPERCONDUCTING UNDULATOR
8 0.0000105244 RF GUN//PHOTO INJECTOR//PHOTOINJECTOR
9 0.0000097196 BRAGG RESONATOR//COAXIAL BRAGG STRUCTURE//COAXIAL BRAGG REFLECTOR
10 0.0000075295 ELECTRON PLASMA OSCILLATION//RAMAN REGIME//TEMPAKU