red laser interference interference pattern of real He-Ne gas laser beam passed through etalon Fabry-Perot, image has typical speckle structure as feature of laser radiation Copyright: xZoonar.com/YuryxZapx 13857209

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.