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Latest Impact Factors from Optics Journals

Latest Impact Factors from Optics Journals

We are pleased to bring you the latest Impact Factors from Elsevier's Optics journals. Highlights include...

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Optical Materials

2007 Impact Factor
WAS
1.519

2008 Impact Factor
NOW
1.714

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Journal Of Luminescence

2007 Impact Factor
WAS
1.611

2008 Impact Factor
NOW
1.628

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Optics Communications

2007 Impact Factor
WAS
1.314

2008 Impact Factor
NOW
1.552

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Optical Fiber Technology

2007 Impact Factor
WAS
0.845

2008 Impact Factor
NOW
1.253

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Listed by highest Impact Factor
Journal Title2007 Impact Factor WAS2008 Impact Factor NOW
Photonics And Nanostructures - Fundamentals And Applications2.0001.940
Journal Of Quantitative Spectroscopy & Radiative Transfer1.9721.635
Optics And Lasers In Engineering0.8721.103
Infrared Physics & Technology0.9621.037
Optics And Laser Technology0.8720.892

Calculating Impact Factors

WHAT IS AN IMPACT FACTOR?
The journal impact factor is a measure of the frequency with which the average article in a journal has been cited in a particular year. The impact factor helps you evaluate a journal's relative importance, especially when you compare it to others in the same field. The impact factor is calculated by dividing the number of citations in the current year to articles published in the two previous years by the total number of articles published in the two previous years.

Using Journal X as an example:
Cites in 2007 to articles published in:2006
2005
Sum
= 1266
= 1643
= 2909
Number of articles published in:2006
2005
Sum
= 352
= 364
= 716
Calculation:Total cites to articles
published in 2005 and 2006
2909= 4.063
Number of articles
published in 2005 and 2006
716

The 2007 Impact Factor for Journal X is 4.063