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No Laser, no Result?

Posted on 2007-02-26 as a part of the Photonics Spotlight (available as e-mail newsletter!)

Permanent link: https://www.rp-photonics.com/spotlight_2007_02_26.html

Author: , RP Photonics Consulting GmbH

Abstract: This article is a reminder that usefulness in some sense, and not just performance of some hardware, must be the ultimate criterion for judging the quality of paper submissions, e.g. in laser conferences. It can be very misleading just to see whether there is a device with convincing performance, as this alone may not teach us anything interesting and useful.

Dr. Rüdiger Paschotta

If you are a laser engineer with the task to finish a device for a customer, you will probably be better off if you deliver a working laser, rather than just some thoughts or excuses. But how about science?

When it comes to judging the quality and relevance of scientific results, e.g. in the form of papers submitted to scientific journals or conferences, some referees react quite negatively to papers which do not present a working laser device (or some other piece of hardware), but rather discuss some thoughts, simulation results, etc. Therefore, such papers often don't rank very high, and may even be rejected.

To some extent, it is understandable that referees find such submissions suspicious. After all, it indeed happens that researchers weren't able to finish their device before some submission deadline and then just try to replace real results with something else, which is easier to get in time but may not be relevant. A typical case is to work with announcements (“We will present latest measurements on this laser, which is expected to generate in excess of 50 W of output power”), or with numerical simulation results as obtained in the planning phase. Particularly in the case of conference submissions, where the programme committee members often receive well over 100 papers to be scored within a week or so, it can be very tempting to immediately dismiss submissions without further reading as soon as one realizes that a concrete device doesn't exist.

Only this approach is in danger of dismissing some really interesting papers, while accepting others which are not worth any attention. Remember, the point of any publication must be that it is useful in some sense, and this has little to do with the question whether there is a concrete laser or not:

So I would warmly recommend to anyone judging on papers or conference submissions to firmly keep in mind that useful scientific content must be the ultimate criterion, not just hardware and performance. (Ask yourself: 'Do I learn anything interesting here?', rather than only 'Is that performance reasonable?') And if those generating the results would also all consider that, science and technology might advance even faster!

This article is a posting of the Photonics Spotlight, authored by Dr. Rüdiger Paschotta. You may link to this page and cite it, because its location is permanent. See also the RP Photonics Encyclopedia.

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