Class information for:
Level 1: FIBER OPTICAL FREQUENCY COMB//OPTICAL FREQUENCY METROLOGY//CARRIER ENVELOPE PHASE

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
7898 1238 23.5 85%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
839 11153 ELECTROMAGNETICALLY INDUCED TRANSPARENCY//SPONTANEOUSLY GENERATED COHERENCE//TIME FREQUENCY

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 FIBER OPTICAL FREQUENCY COMB Author keyword 9 83% 0% 5
2 OPTICAL FREQUENCY METROLOGY Author keyword 7 50% 1% 10
3 CARRIER ENVELOPE PHASE Author keyword 5 24% 2% 19
4 OPTICAL FREQUENCY COMB Author keyword 5 15% 2% 28
5 CARRIER ENVELOPE PHASE DIFFERENCE Author keyword 4 67% 0% 4
6 MINOSHIMA INTELLIGENT OPT SYNTHESIZER PROJECT Address 4 67% 0% 4
7 ER FIBER FEMTOSECOND LASER Author keyword 4 75% 0% 3
8 FEMTOSECOND FIBRE LASER Author keyword 4 75% 0% 3
9 KAIST OPT SCI TECHNOL Address 4 41% 1% 7
10 OPTICAL FREQUENCY SYNTHESIZER Author keyword 3 50% 0% 5

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 FIBER OPTICAL FREQUENCY COMB 9 83% 0% 5 Search FIBER+OPTICAL+FREQUENCY+COMB Search FIBER+OPTICAL+FREQUENCY+COMB
2 OPTICAL FREQUENCY METROLOGY 7 50% 1% 10 Search OPTICAL+FREQUENCY+METROLOGY Search OPTICAL+FREQUENCY+METROLOGY
3 CARRIER ENVELOPE PHASE 5 24% 2% 19 Search CARRIER+ENVELOPE+PHASE Search CARRIER+ENVELOPE+PHASE
4 OPTICAL FREQUENCY COMB 5 15% 2% 28 Search OPTICAL+FREQUENCY+COMB Search OPTICAL+FREQUENCY+COMB
5 CARRIER ENVELOPE PHASE DIFFERENCE 4 67% 0% 4 Search CARRIER+ENVELOPE+PHASE+DIFFERENCE Search CARRIER+ENVELOPE+PHASE+DIFFERENCE
6 ER FIBER FEMTOSECOND LASER 4 75% 0% 3 Search ER+FIBER+FEMTOSECOND+LASER Search ER+FIBER+FEMTOSECOND+LASER
7 FEMTOSECOND FIBRE LASER 4 75% 0% 3 Search FEMTOSECOND+FIBRE+LASER Search FEMTOSECOND+FIBRE+LASER
8 OPTICAL FREQUENCY SYNTHESIZER 3 50% 0% 5 Search OPTICAL+FREQUENCY+SYNTHESIZER Search OPTICAL+FREQUENCY+SYNTHESIZER
9 PHASE LOCKING LOOP 3 100% 0% 3 Search PHASE+LOCKING+LOOP Search PHASE+LOCKING+LOOP
10 FREQUENCY COMBS 3 24% 1% 12 Search FREQUENCY+COMBS Search FREQUENCY+COMBS

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 MODE LOCKED LASERS 77 37% 14% 168
2 FREQUENCY COMB 33 32% 7% 88
3 COMB 23 20% 8% 102
4 CR FORSTERITE LASERS 21 69% 1% 18
5 OFFSET PHASE 19 80% 1% 12
6 ENVELOPE OFFSET FREQUENCY 17 70% 1% 14
7 MODE LOCKED LASER 13 25% 4% 47
8 PHASE CONTROL 13 16% 6% 70
9 PASSIVE OPTICAL CAVITY 12 75% 1% 9
10 BROAD BAND CONTINUUM 12 47% 1% 18

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Mid-infrared frequency combs 2012 149 93 46%
Optical frequency metrology 2002 1002 35 49%
Coherent pulse synthesis: towards sub-cycle optical waveforms 2015 1 207 16%
Direct frequency comb spectroscopy 2008 47 136 49%
Spectroscopic applications of femtosecond optical frequency combs 2012 5 59 73%
Femtosecond optical frequency combs 2009 22 39 46%
Optical comb generators for laser frequency measurement 2009 20 89 46%
Ultrabroadband Er: fiber lasers 2014 5 120 22%
Continuous-wave femtosecond lasers 2013 4 71 44%
XUV frequency combs via femtosecond enhancement cavities 2012 10 82 37%

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 MINOSHIMA INTELLIGENT OPT SYNTHESIZER PROJECT 4 67% 0.3% 4
2 KAIST OPT SCI TECHNOL 4 41% 0.6% 7
3 ULTRAFAST OPT ULTR RECIS TECHNOL GRP 3 60% 0.2% 3
4 TEMPS FREQUENCE 2 19% 0.9% 11
5 NANOLAYERS 2 67% 0.2% 2
6 COHERENT XRAY 2 18% 0.9% 11
7 DEV BUR LASER DEVICE RD GRP 2 50% 0.2% 3
8 JOINT ADV TECHNOL MEASUREMENTS 2 33% 0.4% 5
9 LASER AMSTERDAM 2 18% 0.7% 9
10 ULTRAFAST OPT GRP 2 19% 0.6% 8

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000204616 LNE SYRTE//INNOVAT SPACE TIME PROJECT//HORLOGE ATOM
2 0.0000174315 ACOUSTOOPTIC SWITCHES//OPTICAL FREQUENCY INTERVAL DIVIDER//AWG MULTIPLEXER
3 0.0000128728 ABSOLUTE LENGTH MEASUREMENT//GAUGE BLOCK//ULTRAFAST OPT ULTR RECIS GRP
4 0.0000127260 SUPERCONTINUUM GENERATION//SUPERCONTINUUM//ADV PHOTON TECHNOL
5 0.0000106899 KERR LENS MODE LOCKING//CRLISAF//CR LISAF
6 0.0000101733 PHOTON QUANTUM ELECT//IATL 138//SHIFT CURRENT
7 0.0000097920 MODE LOCKING//DISSIPATIVE SOLITON//FIBER LASER
8 0.0000093223 IODINE SPECTROSCOPY//MODULATION TRANSFER SPECTROSCOPY//OPTICAL FREQUENCY STANDARD
9 0.0000091752 HIGH ORDER HARMONIC GENERATION//ISOLATED ATTOSECOND PULSE//ATTOSECOND PULSE
10 0.0000084968 OPTICAL PARAMETRIC CHIRPED PULSE AMPLIFICATION//CHIRPED PULSE AMPLIFICATION//OPTICAL PARAMETRIC AMPLIFICATION