The theory of reducing speckles in a laser projector with a very long multimode fiber

• Date: 2020
• Main Authors: Лапчук, А. С., Горбов, І. В., Пригун, О. В., Морозов, Є. М., Клюєва, Т. Ю., Бородін, Ю. О.
• Format: Article
• Language: Ukrainian
• Published: Інститут проблем реєстрації інформації НАН України 2020
• Subjects: laser projector; speckles; noise; laser speckles; speckle suppression; multimode optical fiber; optical waveguide
• Online Access: http://drsp.ipri.kiev.ua/article/view/225901
• Journal Title: Data Recording, Storage & Processing

A mathematical model of the mechanism of speckles reduction by a passive long multimode optical fiber is developed. It is assumed that there is no modes transformation in the fiber, and that its length is long enough to decorrelate the parts of the beam with a difference in propagation angles relati...