Journal ArticleDOI
Laser-based displays: a review
TLDR
After the invention of lasers, in the past 50 years progress made in laser-based display technology has been very promising, with commercial products awaiting release to the mass market.Abstract:
After the invention of lasers, in the past 50 years progress made in laser-based display technology has been very promising, with commercial products awaiting release to the mass market. Compact laser systems, such as edge-emitting diodes, vertical-cavity surface-emitting lasers, and optically pumped semiconductor lasers, are suitable candidates for laser-based displays. Laser speckle is an important concern, as it degrades image quality. Typically, one or multiple speckle reduction techniques are employed in laser displays to reduce speckle contrast. Likewise, laser safety issues need to be carefully evaluated in designing laser displays under different usage scenarios. Laser beam shaping using refractive and diffractive components is an integral part of laser displays, and the requirements depend on the source specifications, modulation technique, and the scanning method being employed in the display. A variety of laser-based displays have been reported, and many products such as pico projectors and laser televisions are commercially available already.read more
Citations
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Journal ArticleDOI
MEMS Laser Scanners: A Review
TL;DR: In this paper, the requirements on MEMS laser scanners for demanding display applications, performance levels of the best scanners in the published literature, and the advantages and disadvantages of electrostatic, electromagnetic, piezoelectric, and mechanically coupled actuation principles are reviewed.
Journal ArticleDOI
Resolving the Vergence-Accommodation Conflict in Head-Mounted Displays
TL;DR: This review describes how VAC is addressed in monocular, stereoscopic, and multiscopic HMDs, including retinal scanning and accommodation-free displays, and presents a comprehensive taxonomy of potential solutions.
Journal ArticleDOI
Transport of intensity equation: a tutorial
Chao Zuo,Jiaji Li,Jiasong Sun,Fan Yao,Jialin Zhang,Linpeng Lu,Runnan Zhang,Bowen Wang,Lei Huang,Chen Qian +9 more
TL;DR: A new era in which strict coherence and interferometry are no longer prerequisites for quantitative phase imaging and diffraction tomography is highlighted, paving the way toward new generation label-free three-dimensional microscopy, with applications in all branches of biomedicine.
Journal ArticleDOI
Realizing Rec. 2020 color gamut with quantum dot displays
TL;DR: The results indicate that quantum dot display is an outstanding candidate for achieving wide color gamut and high optical efficiency.
Journal ArticleDOI
Organic–Inorganic Hybrid Perovskite Nanowire Laser Arrays
Peng Liu,Xianxiong He,Jiahuan Ren,Qing Liao,Jiannian Yao,Jiannian Yao,Hongbing Fu,Hongbing Fu +7 more
TL;DR: Well-defined dimensions and uniform geometries enabled individual PNWs to function as high-quality Fabry-Perot nanolasers with almost identical optical modes and similarly low-lasing thresholds, allowing them to ignite simultaneously as a laser array.
References
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Journal ArticleDOI
Stimulated Optical Radiation in Ruby
TL;DR: Schawlow and Townes as discussed by the authors proposed a technique for the generation of very monochromatic radiation in the infra-red optical region of the spectrum using an alkali vapour as the active medium.
Journal Article
Stimulated optical radiation in ruby
TL;DR: Schawlow and Townes as discussed by the authors proposed a technique for the generation of very monochromatic radiation in the infra-red optical region of the spectrum using an alkali vapour as the active medium.
Journal ArticleDOI
Some fundamental properties of speckle
TL;DR: In this paper, the distribution of scale sizes in a speckle pattern (i.e., the Wiener spectrum) is investigated from a physical point of view, and it is shown that adding M uncorrelated speckles on an intensity basis can reduce the contrast by 1/√M.
Journal ArticleDOI
Laser beam combining for high-power, high-radiance sources
TL;DR: In this paper, the authors provide an overview of beam combining and highlight some of the tradeoffs among beam-combining techniques, including wavelength (spectral) and coherent (phased array) techniques.
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