Optics and Laser Technology

Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems

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	Q2
Atomic and Molecular Physics, and Optics	2000	Q3
Atomic and Molecular Physics, and Optics	2001	Q2
Atomic and Molecular Physics, and Optics	2002	Q3
Atomic and Molecular Physics, and Optics	2003	Q2
Atomic and Molecular Physics, and Optics	2004	Q2
Atomic and Molecular Physics, and Optics	2005	Q2
Atomic and Molecular Physics, and Optics	2006	Q3
Atomic and Molecular Physics, and Optics	2007	Q3
Atomic and Molecular Physics, and Optics	2008	Q3
Atomic and Molecular Physics, and Optics	2009	Q2
Atomic and Molecular Physics, and Optics	2010	Q2
Atomic and Molecular Physics, and Optics	2011	Q2
Atomic and Molecular Physics, and Optics	2012	Q2
Atomic and Molecular Physics, and Optics	2013	Q2
Atomic and Molecular Physics, and Optics	2014	Q2
Atomic and Molecular Physics, and Optics	2015	Q2
Atomic and Molecular Physics, and Optics	2016	Q2
Atomic and Molecular Physics, and Optics	2017	Q2
Atomic and Molecular Physics, and Optics	2018	Q2
Atomic and Molecular Physics, and Optics	2019	Q2
Atomic and Molecular Physics, and Optics	2020	Q2
Atomic and Molecular Physics, and Optics	2021	Q1
Atomic and Molecular Physics, and Optics	2022	Q1
Atomic and Molecular Physics, and Optics	2023	Q1
Electrical and Electronic Engineering	1999	Q1
Electrical and Electronic Engineering	2000	Q2
Electrical and Electronic Engineering	2001	Q2
Electrical and Electronic Engineering	2002	Q2
Electrical and Electronic Engineering	2003	Q2
Electrical and Electronic Engineering	2004	Q2
Electrical and Electronic Engineering	2005	Q2
Electrical and Electronic Engineering	2006	Q2
Electrical and Electronic Engineering	2007	Q2
Electrical and Electronic Engineering	2008	Q2
Electrical and Electronic Engineering	2009	Q2
Electrical and Electronic Engineering	2010	Q2
Electrical and Electronic Engineering	2011	Q1
Electrical and Electronic Engineering	2012	Q2
Electrical and Electronic Engineering	2013	Q2
Electrical and Electronic Engineering	2014	Q1
Electrical and Electronic Engineering	2015	Q1
Electrical and Electronic Engineering	2016	Q1
Electrical and Electronic Engineering	2017	Q1
Electrical and Electronic Engineering	2018	Q1
Electrical and Electronic Engineering	2019	Q1
Electrical and Electronic Engineering	2020	Q1
Electrical and Electronic Engineering	2021	Q1
Electrical and Electronic Engineering	2022	Q1
Electrical and Electronic Engineering	2023	Q1
Electronic, Optical and Magnetic Materials	1999	Q2
Electronic, Optical and Magnetic Materials	2000	Q3
Electronic, Optical and Magnetic Materials	2001	Q2
Electronic, Optical and Magnetic Materials	2002	Q3
Electronic, Optical and Magnetic Materials	2003	Q2
Electronic, Optical and Magnetic Materials	2004	Q2
Electronic, Optical and Magnetic Materials	2005	Q2
Electronic, Optical and Magnetic Materials	2006	Q3
Electronic, Optical and Magnetic Materials	2007	Q3
Electronic, Optical and Magnetic Materials	2008	Q3
Electronic, Optical and Magnetic Materials	2009	Q2
Electronic, Optical and Magnetic Materials	2010	Q2
Electronic, Optical and Magnetic Materials	2011	Q2
Electronic, Optical and Magnetic Materials	2012	Q2
Electronic, Optical and Magnetic Materials	2013	Q2
Electronic, Optical and Magnetic Materials	2014	Q2
Electronic, Optical and Magnetic Materials	2015	Q2
Electronic, Optical and Magnetic Materials	2016	Q2
Electronic, Optical and Magnetic Materials	2017	Q1
Electronic, Optical and Magnetic Materials	2018	Q1
Electronic, Optical and Magnetic Materials	2019	Q1
Electronic, Optical and Magnetic Materials	2020	Q1
Electronic, Optical and Magnetic Materials	2021	Q1
Electronic, Optical and Magnetic Materials	2022	Q1
Electronic, Optical and Magnetic Materials	2023	Q1

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	0.543
2000	0.326
2001	0.543
2002	0.438
2003	0.527
2004	0.547
2005	0.520
2006	0.398
2007	0.467
2008	0.472
2009	0.515
2010	0.560
2011	0.629
2012	0.561
2013	0.634
2014	0.695
2015	0.674
2016	0.616
2017	0.737
2018	0.775
2019	0.792
2020	0.799
2021	0.848
2022	0.874
2023	0.878

Total Documents

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

Year	Documents
1999	82
2000	87
2001	104
2002	106
2003	103
2004	110
2005	105
2006	91
2007	261
2008	160
2009	159
2010	213
2011	236
2012	392
2013	464
2014	314
2015	297
2016	295
2017	385
2018	584
2019	738
2020	635
2021	812
2022	1039
2023	1090

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	0.397
Cites / Doc. (4 years)	2000	0.378
Cites / Doc. (4 years)	2001	0.677
Cites / Doc. (4 years)	2002	0.725
Cites / Doc. (4 years)	2003	0.739
Cites / Doc. (4 years)	2004	0.890
Cites / Doc. (4 years)	2005	1.078
Cites / Doc. (4 years)	2006	0.896
Cites / Doc. (4 years)	2007	1.032
Cites / Doc. (4 years)	2008	1.019
Cites / Doc. (4 years)	2009	1.290
Cites / Doc. (4 years)	2010	1.632
Cites / Doc. (4 years)	2011	1.812
Cites / Doc. (4 years)	2012	1.849
Cites / Doc. (4 years)	2013	2.043
Cites / Doc. (4 years)	2014	2.028
Cites / Doc. (4 years)	2015	2.168
Cites / Doc. (4 years)	2016	2.174
Cites / Doc. (4 years)	2017	2.561
Cites / Doc. (4 years)	2018	3.275
Cites / Doc. (4 years)	2019	3.662
Cites / Doc. (4 years)	2020	4.040
Cites / Doc. (4 years)	2021	4.504
Cites / Doc. (4 years)	2022	5.094
Cites / Doc. (4 years)	2023	5.230
Cites / Doc. (3 years)	1999	0.397
Cites / Doc. (3 years)	2000	0.436
Cites / Doc. (3 years)	2001	0.768
Cites / Doc. (3 years)	2002	0.729
Cites / Doc. (3 years)	2003	0.731
Cites / Doc. (3 years)	2004	0.882
Cites / Doc. (3 years)	2005	1.056
Cites / Doc. (3 years)	2006	0.827
Cites / Doc. (3 years)	2007	1.039
Cites / Doc. (3 years)	2008	1.081
Cites / Doc. (3 years)	2009	1.313
Cites / Doc. (3 years)	2010	1.703
Cites / Doc. (3 years)	2011	2.041
Cites / Doc. (3 years)	2012	1.781
Cites / Doc. (3 years)	2013	2.078
Cites / Doc. (3 years)	2014	2.040
Cites / Doc. (3 years)	2015	2.236
Cites / Doc. (3 years)	2016	2.283
Cites / Doc. (3 years)	2017	2.772
Cites / Doc. (3 years)	2018	3.477
Cites / Doc. (3 years)	2019	3.807
Cites / Doc. (3 years)	2020	4.046
Cites / Doc. (3 years)	2021	4.687
Cites / Doc. (3 years)	2022	5.335
Cites / Doc. (3 years)	2023	5.317
Cites / Doc. (2 years)	1999	0.458
Cites / Doc. (2 years)	2000	0.456
Cites / Doc. (2 years)	2001	0.763
Cites / Doc. (2 years)	2002	0.644
Cites / Doc. (2 years)	2003	0.738
Cites / Doc. (2 years)	2004	0.818
Cites / Doc. (2 years)	2005	0.958
Cites / Doc. (2 years)	2006	0.837
Cites / Doc. (2 years)	2007	1.061
Cites / Doc. (2 years)	2008	1.020
Cites / Doc. (2 years)	2009	1.356
Cites / Doc. (2 years)	2010	1.903
Cites / Doc. (2 years)	2011	2.027
Cites / Doc. (2 years)	2012	1.780
Cites / Doc. (2 years)	2013	2.035
Cites / Doc. (2 years)	2014	2.102
Cites / Doc. (2 years)	2015	2.351
Cites / Doc. (2 years)	2016	2.417
Cites / Doc. (2 years)	2017	2.809
Cites / Doc. (2 years)	2018	3.726
Cites / Doc. (2 years)	2019	3.718
Cites / Doc. (2 years)	2020	4.203
Cites / Doc. (2 years)	2021	4.882
Cites / Doc. (2 years)	2022	5.369
Cites / Doc. (2 years)	2023	5.252

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	8
Self Cites	2000	26
Self Cites	2001	32
Self Cites	2002	16
Self Cites	2003	31
Self Cites	2004	26
Self Cites	2005	26
Self Cites	2006	7
Self Cites	2007	33
Self Cites	2008	28
Self Cites	2009	49
Self Cites	2010	67
Self Cites	2011	87
Self Cites	2012	150
Self Cites	2013	250
Self Cites	2014	175
Self Cites	2015	153
Self Cites	2016	182
Self Cites	2017	227
Self Cites	2018	360
Self Cites	2019	477
Self Cites	2020	559
Self Cites	2021	719
Self Cites	2022	907
Self Cites	2023	922
Total Cites	1999	104
Total Cites	2000	109
Total Cites	2001	205
Total Cites	2002	199
Total Cites	2003	217
Total Cites	2004	276
Total Cites	2005	337
Total Cites	2006	263
Total Cites	2007	318
Total Cites	2008	494
Total Cites	2009	672
Total Cites	2010	988
Total Cites	2011	1086
Total Cites	2012	1083
Total Cites	2013	1748
Total Cites	2014	2228
Total Cites	2015	2616
Total Cites	2016	2454
Total Cites	2017	2511
Total Cites	2018	3397
Total Cites	2019	4812
Total Cites	2020	6907
Total Cites	2021	9173
Total Cites	2022	11658
Total Cites	2023	13219

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	0.366
External Cites per document	2000	0.332
External Cites per document	2001	0.648
External Cites per document	2002	0.670
External Cites per document	2003	0.626
External Cites per document	2004	0.799
External Cites per document	2005	0.975
External Cites per document	2006	0.805
External Cites per document	2007	0.931
External Cites per document	2008	1.020
External Cites per document	2009	1.217
External Cites per document	2010	1.588
External Cites per document	2011	1.878
External Cites per document	2012	1.535
External Cites per document	2013	1.781
External Cites per document	2014	1.880
External Cites per document	2015	2.105
External Cites per document	2016	2.113
External Cites per document	2017	2.521
External Cites per document	2018	3.108
External Cites per document	2019	3.430
External Cites per document	2020	3.719
External Cites per document	2021	4.320
External Cites per document	2022	4.920
External Cites per document	2023	4.947
Cites per document	1999	0.397
Cites per document	2000	0.436
Cites per document	2001	0.768
Cites per document	2002	0.729
Cites per document	2003	0.731
Cites per document	2004	0.882
Cites per document	2005	1.056
Cites per document	2006	0.827
Cites per document	2007	1.039
Cites per document	2008	1.081
Cites per document	2009	1.313
Cites per document	2010	1.703
Cites per document	2011	2.041
Cites per document	2012	1.781
Cites per document	2013	2.078
Cites per document	2014	2.040
Cites per document	2015	2.236
Cites per document	2016	2.283
Cites per document	2017	2.772
Cites per document	2018	3.477
Cites per document	2019	3.807
Cites per document	2020	4.046
Cites per document	2021	4.687
Cites per document	2022	5.335
Cites per document	2023	5.317

% 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	13.41
2000	10.34
2001	16.35
2002	12.26
2003	8.74
2004	10.91
2005	20.95
2006	12.09
2007	10.34
2008	8.75
2009	10.69
2010	8.92
2011	9.32
2012	13.78
2013	14.22
2014	10.51
2015	12.79
2016	15.93
2017	14.55
2018	16.78
2019	19.92
2020	20.00
2021	20.69
2022	15.88
2023	14.68

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	1
Non-citable documents	2002	2
Non-citable documents	2003	2
Non-citable documents	2004	2
Non-citable documents	2005	1
Non-citable documents	2006	1
Non-citable documents	2007	1
Non-citable documents	2008	2
Non-citable documents	2009	2
Non-citable documents	2010	1
Non-citable documents	2011	0
Non-citable documents	2012	2
Non-citable documents	2013	4
Non-citable documents	2014	6
Non-citable documents	2015	5
Non-citable documents	2016	5
Non-citable documents	2017	4
Non-citable documents	2018	3
Non-citable documents	2019	1
Non-citable documents	2020	3
Non-citable documents	2021	9
Non-citable documents	2022	15
Non-citable documents	2023	14
Citable documents	1999	262
Citable documents	2000	250
Citable documents	2001	266
Citable documents	2002	271
Citable documents	2003	295
Citable documents	2004	311
Citable documents	2005	318
Citable documents	2006	317
Citable documents	2007	305
Citable documents	2008	455
Citable documents	2009	510
Citable documents	2010	579
Citable documents	2011	532
Citable documents	2012	606
Citable documents	2013	837
Citable documents	2014	1086
Citable documents	2015	1165
Citable documents	2016	1070
Citable documents	2017	902
Citable documents	2018	974
Citable documents	2019	1263
Citable documents	2020	1704
Citable documents	2021	1948
Citable documents	2022	2170
Citable documents	2023	2472

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	202
Uncited documents	2000	184
Uncited documents	2001	160
Uncited documents	2002	159
Uncited documents	2003	164
Uncited documents	2004	178
Uncited documents	2005	168
Uncited documents	2006	179
Uncited documents	2007	155
Uncited documents	2008	231
Uncited documents	2009	246
Uncited documents	2010	223
Uncited documents	2011	166
Uncited documents	2012	223
Uncited documents	2013	274
Uncited documents	2014	354
Uncited documents	2015	341
Uncited documents	2016	313
Uncited documents	2017	210
Uncited documents	2018	201
Uncited documents	2019	222
Uncited documents	2020	275
Uncited documents	2021	269
Uncited documents	2022	277
Uncited documents	2023	287
Cited documents	1999	60
Cited documents	2000	66
Cited documents	2001	107
Cited documents	2002	114
Cited documents	2003	133
Cited documents	2004	135
Cited documents	2005	151
Cited documents	2006	139
Cited documents	2007	151
Cited documents	2008	226
Cited documents	2009	266
Cited documents	2010	357
Cited documents	2011	366
Cited documents	2012	385
Cited documents	2013	567
Cited documents	2014	738
Cited documents	2015	829
Cited documents	2016	762
Cited documents	2017	696
Cited documents	2018	776
Cited documents	2019	1042
Cited documents	2020	1432
Cited documents	2021	1688
Cited documents	2022	1908
Cited documents	2023	2199

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