Emission spectrum of the control remote of a Yamaha sound system, measured with an Ocean Optics spectrometer
<a href="https://en.wikipedia.org/wiki/en:User:Pgabolde" class="extiw" title="w:en:User:Pgabolde">Pgabolde</a>
Unknown date<div style="display: none;">Unknown date</div>. Uploaded to English Wikipedia on 13 Dec 2005
Taken from English Wikipedia <a href="https://en.wikipedia.org/wiki/en:Image:Control-remote-spectrum.png" class="extiw" title="w:en:Image:Control-remote-spectrum.png">w:en:Image:Control-remote-spectrum.png</a>