Especially for displays, visible-wavelength lasers are in high demand for a wide range of
applications. Active research and development have been devoted to laser-based displays …

High power ultrashort pulsed lasers are an ultimate manufacturing tool for a large variety of
materials and provide outstanding properties for high precision manufacturing with almost …

In this paper, we present a concept for speckle reduction using optical superposition instead
of temporal superposition. The proposed speckle reduction method does not contain any …

The two dimensional micromirror works as a resonant actuator applied in light detection and
ranging (LiDAR) devices. A deep embedded coils design was applied here to provide a …

Based on microelectronic mechanical system (MEMS) processing, a large-size 2-D
scanning mirror (6.5 mm in diameter) driven by electromagnetic force was designed and …

The speckle reduction for laser projectors has been vigorously studied because speckle
causes a serious deterioration in image quality. Most speckle reduction methods can be …

A theoretical analysis of the hardware mechanisms for subjective speckle suppression in
RGB laser projectors has revealed that achieving a compact speckle-free passive laser …

We analyzed the speckle suppression efficiency of a multimode fiber in a practical laser
projector, and developed a theoretical model. Theoretical analysis and simulations indicate …

Laser speckles and spurious fringes are the major obstacles in the development of
emerging technologies relating to laser-based projection imaging and illumination. It …

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 …