Lasers in Engineering

Lasers in Engineering publishes original (primary) research articles, reviews, short communications and letters on all aspects relating to the application of lasers in the many different branches of engineering and related disciplines. The topics covered by Lasers in Engineering are the use of lasers: in sensors or measuring and for mapping devices; in electrocomponent fabrication; for materials processing; as integral parts of production assemblies; within the fields of biotechnology and bioengineering; in micro- and nanofabrication; as well as the materials and processing aspects of techniques such as cutting, drilling, marking, cladding, additive manufacturing (AM), alloying, welding and surface treatment and engineering. Lasers in Engineering presents a balanced account of future developments, fundamental aspects and industrial innovations driven by the deployment of lasers. Modern technology has a vitally important role to play in meeting the increasingly stringent demands made on material and production systems. Lasers in Engineering provides a readily accessible medium for the rapid reporting of new knowledge, and technological and scientific advances in these areas.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Atomic and Molecular Physics, and Optics	1999	Q3
Atomic and Molecular Physics, and Optics	2000	Q2
Atomic and Molecular Physics, and Optics	2001	Q3
Atomic and Molecular Physics, and Optics	2002	Q4
Atomic and Molecular Physics, and Optics	2003	Q3
Atomic and Molecular Physics, and Optics	2004	Q3
Atomic and Molecular Physics, and Optics	2005	Q4
Atomic and Molecular Physics, and Optics	2006	Q3
Atomic and Molecular Physics, and Optics	2007	Q4
Atomic and Molecular Physics, and Optics	2008	Q3
Atomic and Molecular Physics, and Optics	2009	Q4
Atomic and Molecular Physics, and Optics	2010	Q3
Atomic and Molecular Physics, and Optics	2011	Q4
Atomic and Molecular Physics, and Optics	2012	Q4
Atomic and Molecular Physics, and Optics	2013	Q4
Atomic and Molecular Physics, and Optics	2014	Q4
Atomic and Molecular Physics, and Optics	2015	Q4
Atomic and Molecular Physics, and Optics	2016	Q4
Atomic and Molecular Physics, and Optics	2017	Q4
Atomic and Molecular Physics, and Optics	2018	Q4
Atomic and Molecular Physics, and Optics	2019	Q4
Atomic and Molecular Physics, and Optics	2020	Q4
Electrical and Electronic Engineering	1999	Q2
Electrical and Electronic Engineering	2000	Q2
Electrical and Electronic Engineering	2001	Q2
Electrical and Electronic Engineering	2002	Q3
Electrical and Electronic Engineering	2003	Q3
Electrical and Electronic Engineering	2004	Q2
Electrical and Electronic Engineering	2005	Q3
Electrical and Electronic Engineering	2006	Q2
Electrical and Electronic Engineering	2007	Q3
Electrical and Electronic Engineering	2008	Q2
Electrical and Electronic Engineering	2009	Q3
Electrical and Electronic Engineering	2010	Q2
Electrical and Electronic Engineering	2011	Q4
Electrical and Electronic Engineering	2012	Q3
Electrical and Electronic Engineering	2013	Q3
Electrical and Electronic Engineering	2014	Q4
Electrical and Electronic Engineering	2015	Q4
Electrical and Electronic Engineering	2016	Q3
Electrical and Electronic Engineering	2017	Q3
Electrical and Electronic Engineering	2018	Q3
Electrical and Electronic Engineering	2019	Q3
Electrical and Electronic Engineering	2020	Q3
Industrial and Manufacturing Engineering	1999	Q1
Industrial and Manufacturing Engineering	2000	Q1
Industrial and Manufacturing Engineering	2001	Q2
Industrial and Manufacturing Engineering	2002	Q2
Industrial and Manufacturing Engineering	2003	Q2
Industrial and Manufacturing Engineering	2004	Q1
Industrial and Manufacturing Engineering	2005	Q2
Industrial and Manufacturing Engineering	2006	Q2
Industrial and Manufacturing Engineering	2007	Q3
Industrial and Manufacturing Engineering	2008	Q2
Industrial and Manufacturing Engineering	2009	Q3
Industrial and Manufacturing Engineering	2010	Q2
Industrial and Manufacturing Engineering	2011	Q3
Industrial and Manufacturing Engineering	2012	Q3
Industrial and Manufacturing Engineering	2013	Q2
Industrial and Manufacturing Engineering	2014	Q3
Industrial and Manufacturing Engineering	2015	Q3
Industrial and Manufacturing Engineering	2016	Q3
Industrial and Manufacturing Engineering	2017	Q3
Industrial and Manufacturing Engineering	2018	Q3
Industrial and Manufacturing Engineering	2019	Q3
Industrial and Manufacturing Engineering	2020	Q3

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	0.311
2000	0.516
2001	0.274
2002	0.209
2003	0.238
2004	0.338
2005	0.220
2006	0.308
2007	0.129
2008	0.261
2009	0.171
2010	0.334
2011	0.138
2012	0.182
2013	0.233
2014	0.142
2015	0.144
2016	0.186
2017	0.180
2018	0.155
2019	0.167
2020	0.200

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	41
2000	22
2001	21
2002	23
2003	21
2004	17
2005	31
2006	38
2007	35
2008	32
2009	13
2010	50
2011	64
2012	51
2013	68
2014	90
2015	79
2016	76
2017	83
2018	78
2019	76
2020	64

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	0.438
Cites / Doc. (4 years)	2000	0.360
Cites / Doc. (4 years)	2001	0.217
Cites / Doc. (4 years)	2002	0.361
Cites / Doc. (4 years)	2003	0.262
Cites / Doc. (4 years)	2004	0.391
Cites / Doc. (4 years)	2005	0.317
Cites / Doc. (4 years)	2006	0.413
Cites / Doc. (4 years)	2007	0.178
Cites / Doc. (4 years)	2008	0.281
Cites / Doc. (4 years)	2009	0.265
Cites / Doc. (4 years)	2010	0.331
Cites / Doc. (4 years)	2011	0.277
Cites / Doc. (4 years)	2012	0.365
Cites / Doc. (4 years)	2013	0.303
Cites / Doc. (4 years)	2014	0.210
Cites / Doc. (4 years)	2015	0.256
Cites / Doc. (4 years)	2016	0.330
Cites / Doc. (4 years)	2017	0.383
Cites / Doc. (4 years)	2018	0.381
Cites / Doc. (4 years)	2019	0.443
Cites / Doc. (4 years)	2020	0.466
Cites / Doc. (3 years)	1999	0.438
Cites / Doc. (3 years)	2000	0.366
Cites / Doc. (3 years)	2001	0.235
Cites / Doc. (3 years)	2002	0.321
Cites / Doc. (3 years)	2003	0.273
Cites / Doc. (3 years)	2004	0.415
Cites / Doc. (3 years)	2005	0.344
Cites / Doc. (3 years)	2006	0.333
Cites / Doc. (3 years)	2007	0.174
Cites / Doc. (3 years)	2008	0.279
Cites / Doc. (3 years)	2009	0.248
Cites / Doc. (3 years)	2010	0.400
Cites / Doc. (3 years)	2011	0.253
Cites / Doc. (3 years)	2012	0.354
Cites / Doc. (3 years)	2013	0.315
Cites / Doc. (3 years)	2014	0.175
Cites / Doc. (3 years)	2015	0.220
Cites / Doc. (3 years)	2016	0.338
Cites / Doc. (3 years)	2017	0.412
Cites / Doc. (3 years)	2018	0.345
Cites / Doc. (3 years)	2019	0.456
Cites / Doc. (3 years)	2020	0.544
Cites / Doc. (2 years)	1999	0.423
Cites / Doc. (2 years)	2000	0.382
Cites / Doc. (2 years)	2001	0.270
Cites / Doc. (2 years)	2002	0.233
Cites / Doc. (2 years)	2003	0.273
Cites / Doc. (2 years)	2004	0.455
Cites / Doc. (2 years)	2005	0.237
Cites / Doc. (2 years)	2006	0.354
Cites / Doc. (2 years)	2007	0.174
Cites / Doc. (2 years)	2008	0.192
Cites / Doc. (2 years)	2009	0.299
Cites / Doc. (2 years)	2010	0.333
Cites / Doc. (2 years)	2011	0.254
Cites / Doc. (2 years)	2012	0.386
Cites / Doc. (2 years)	2013	0.252
Cites / Doc. (2 years)	2014	0.118
Cites / Doc. (2 years)	2015	0.222
Cites / Doc. (2 years)	2016	0.325
Cites / Doc. (2 years)	2017	0.335
Cites / Doc. (2 years)	2018	0.321
Cites / Doc. (2 years)	2019	0.460
Cites / Doc. (2 years)	2020	0.649

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	19
Self Cites	2000	15
Self Cites	2001	7
Self Cites	2002	3
Self Cites	2003	4
Self Cites	2004	6
Self Cites	2005	3
Self Cites	2006	6
Self Cites	2007	1
Self Cites	2008	8
Self Cites	2009	0
Self Cites	2010	4
Self Cites	2011	3
Self Cites	2012	6
Self Cites	2013	20
Self Cites	2014	10
Self Cites	2015	11
Self Cites	2016	26
Self Cites	2017	9
Self Cites	2018	21
Self Cites	2019	27
Self Cites	2020	32
Total Cites	1999	32
Total Cites	2000	34
Total Cites	2001	23
Total Cites	2002	27
Total Cites	2003	18
Total Cites	2004	27
Total Cites	2005	21
Total Cites	2006	23
Total Cites	2007	15
Total Cites	2008	29
Total Cites	2009	26
Total Cites	2010	32
Total Cites	2011	24
Total Cites	2012	45
Total Cites	2013	52
Total Cites	2014	32
Total Cites	2015	46
Total Cites	2016	80
Total Cites	2017	101
Total Cites	2018	82
Total Cites	2019	108
Total Cites	2020	129

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	0.178
External Cites per document	2000	0.204
External Cites per document	2001	0.163
External Cites per document	2002	0.286
External Cites per document	2003	0.212
External Cites per document	2004	0.323
External Cites per document	2005	0.295
External Cites per document	2006	0.246
External Cites per document	2007	0.163
External Cites per document	2008	0.202
External Cites per document	2009	0.248
External Cites per document	2010	0.350
External Cites per document	2011	0.221
External Cites per document	2012	0.310
External Cites per document	2013	0.196
External Cites per document	2014	0.122
External Cites per document	2015	0.169
External Cites per document	2016	0.229
External Cites per document	2017	0.379
External Cites per document	2018	0.260
External Cites per document	2019	0.348
External Cites per document	2020	0.415
Cites per document	1999	0.438
Cites per document	2000	0.366
Cites per document	2001	0.235
Cites per document	2002	0.321
Cites per document	2003	0.273
Cites per document	2004	0.415
Cites per document	2005	0.344
Cites per document	2006	0.333
Cites per document	2007	0.174
Cites per document	2008	0.279
Cites per document	2009	0.248
Cites per document	2010	0.400
Cites per document	2011	0.253
Cites per document	2012	0.354
Cites per document	2013	0.315
Cites per document	2014	0.175
Cites per document	2015	0.220
Cites per document	2016	0.338
Cites per document	2017	0.412
Cites per document	2018	0.345
Cites per document	2019	0.456
Cites per document	2020	0.544

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	9.76
2000	18.18
2001	19.05
2002	17.39
2003	33.33
2004	23.53
2005	29.03
2006	21.05
2007	8.57
2008	18.75
2009	0.00
2010	6.00
2011	9.38
2012	9.80
2013	10.29
2014	11.11
2015	16.46
2016	19.74
2017	12.05
2018	16.67
2019	13.16
2020	15.63

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	0
Non-citable documents	2000	0
Non-citable documents	2001	0
Non-citable documents	2002	0
Non-citable documents	2003	0
Non-citable documents	2004	0
Non-citable documents	2005	0
Non-citable documents	2006	0
Non-citable documents	2007	0
Non-citable documents	2008	0
Non-citable documents	2009	0
Non-citable documents	2010	0
Non-citable documents	2011	0
Non-citable documents	2012	1
Non-citable documents	2013	2
Non-citable documents	2014	2
Non-citable documents	2015	2
Non-citable documents	2016	1
Non-citable documents	2017	2
Non-citable documents	2018	3
Non-citable documents	2019	4
Non-citable documents	2020	3
Citable documents	1999	73
Citable documents	2000	93
Citable documents	2001	98
Citable documents	2002	84
Citable documents	2003	66
Citable documents	2004	65
Citable documents	2005	61
Citable documents	2006	69
Citable documents	2007	86
Citable documents	2008	104
Citable documents	2009	105
Citable documents	2010	80
Citable documents	2011	95
Citable documents	2012	126
Citable documents	2013	163
Citable documents	2014	181
Citable documents	2015	207
Citable documents	2016	236
Citable documents	2017	243
Citable documents	2018	235
Citable documents	2019	233
Citable documents	2020	234

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	49
Uncited documents	2000	69
Uncited documents	2001	82
Uncited documents	2002	65
Uncited documents	2003	53
Uncited documents	2004	42
Uncited documents	2005	43
Uncited documents	2006	54
Uncited documents	2007	72
Uncited documents	2008	86
Uncited documents	2009	86
Uncited documents	2010	63
Uncited documents	2011	78
Uncited documents	2012	99
Uncited documents	2013	124
Uncited documents	2014	158
Uncited documents	2015	175
Uncited documents	2016	186
Uncited documents	2017	197
Uncited documents	2018	178
Uncited documents	2019	174
Uncited documents	2020	166
Cited documents	1999	24
Cited documents	2000	24
Cited documents	2001	16
Cited documents	2002	19
Cited documents	2003	13
Cited documents	2004	23
Cited documents	2005	18
Cited documents	2006	15
Cited documents	2007	14
Cited documents	2008	18
Cited documents	2009	19
Cited documents	2010	17
Cited documents	2011	17
Cited documents	2012	28
Cited documents	2013	41
Cited documents	2014	25
Cited documents	2015	34
Cited documents	2016	51
Cited documents	2017	48
Cited documents	2018	60
Cited documents	2019	63
Cited documents	2020	71