We propose a system that reduces laser display speckles by vibrating the light pipe. A small
displacement of the light pipe appears to allow the total reflection of the laser, thereby …

Speckle reduction techniques have been investigated in display systems with coherent light
sources. We propose a simple but efficient method to reduce speckle via two fast vibrating …

In this paper, the relationship between the coherence and the speckle contrast in a laser-
based projection display system is studied with the consideration of human visual percept …

We propose a laser speckle reduction method using a fast focus tunable lens (FTL). Different
laser beams are generated after modulating the FTL. Thus, when the laser beams are used …

Despite of much effort and significant progress in recent years, speckle removal is still a
challenge for laser projection technology. In this paper, speckle reduction by dynamic …

The speckle phenomenon is an annoyance in laser projection display systems. We propose
a novel speckle suppression method that utilizes the interference concept on a pixel point …

We report a compact, low cost, multi-color diode laser based illumination system for display
and laser-projectors. An innovative speckle reduction system based on spatially structured …

Two alternative methods for effectively reducing the speckle noise in laser based rear and
front projection displays are studied and demonstrated. Firstly, widening of the laser …

To evaluate the influence of exposure time on speckle noise for laser displays, speckle
contrast measurement method was developed observable at a human eye response time …

Speckle is the main obstacle for the use of laser light sources in projection technology. This
paper focuses on speckle suppression by the reduction of temporal coherence which is …