Complex lasers with controllable coherence
Lasers have enabled scientific and technological progress, owing to their high brightness
and high coherence. However, the high spatial coherence of laser illumination is not always …
and high coherence. However, the high spatial coherence of laser illumination is not always …
Speckle-free holography with partially coherent light sources and camera-in-the-loop calibration
Computer-generated holography (CGH) holds transformative potential for a wide range of
applications, including direct-view, virtual and augmented reality, and automotive display …
applications, including direct-view, virtual and augmented reality, and automotive display …
Speckle noise reduction strategies in laser-based projection imaging, fluorescence microscopy, and digital holography with uniform illumination, improved image …
There has been immense advancement in laser-based projection imaging, fluorescence
microscopy, single-molecule localization nanoscopy, and digital holography. These …
microscopy, single-molecule localization nanoscopy, and digital holography. These …
Low spatial coherence electrically pumped semiconductor laser for speckle-free full-field imaging
The spatial coherence of laser sources has limited their application to parallel imaging and
projection due to coherent artifacts, such as speckle. In contrast, traditional incoherent light …
projection due to coherent artifacts, such as speckle. In contrast, traditional incoherent light …
[PDF][PDF] Laser speckle reduction by multimode optical fiber bundle with combined temporal, spatial, and angular diversity
We report significant speckle reduction in a laser illumination system using a vibrating
multimode optical fiber bundle. The optical fiber bundle was illuminated by two independent …
multimode optical fiber bundle. The optical fiber bundle was illuminated by two independent …
Lasing from micro-and nano-scale photonic disordered structures for biomedical applications
A disordered photonic medium is one in which scatterers are distributed randomly. Light
entering such media experiences multiple scattering events, resulting in a “random walk” …
entering such media experiences multiple scattering events, resulting in a “random walk” …
Light source optimization for partially coherent holographic displays with consideration of speckle contrast, resolution, and depth of field
Speckle reduction is an important topic in holographic displays as speckles not only reduce
signal-to-noise ratio but also possess an eye-safety issue. Despite thorough exploration of …
signal-to-noise ratio but also possess an eye-safety issue. Despite thorough exploration of …
Speckle reduction in laser projection displays through angle and wavelength diversity
TTK Tran, Ø Svensen, X Chen, M Nadeem Akram - Applied optics, 2016 - opg.optica.org
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 …
paper focuses on speckle suppression by the reduction of temporal coherence which is …
iSCAT microscopy and particle tracking with tailored spatial coherence
Interferometric scattering (iSCAT) microscopy has demonstrated unparalleled performance
among label-free optical methods for detecting and imaging isolated nanoparticles and …
among label-free optical methods for detecting and imaging isolated nanoparticles and …
Speckle noise suppression in digital holography by angular diversity with phase-only spatial light modulator
A speckle noise suppression method in digital holography is proposed by the angular
diversity with a phase-only spatial light modulator (SLM). The minimal angular difference of …
diversity with a phase-only spatial light modulator (SLM). The minimal angular difference of …