Wide-angle speckleless DMD holographic display using structured illumination with temporal multiplexing

2020 ◽  
Vol 45 (8) ◽  
pp. 2148 ◽  
Author(s):  
Byounghyo Lee ◽  
Dongheon Yoo ◽  
Jinsoo Jeong ◽  
Seungjae Lee ◽  
Dukho Lee ◽  
...  
Keyword(s):  
Wide Angle ◽  
Structured Illumination ◽  
Holographic Display

P‐83: Wide Angle Light‐Field Holographic Display System with Angular Multiplexing

2019 ◽  
Vol 50 (1) ◽  
pp. 1547-1548
Author(s):  
Chung-Feng Kuo ◽  
Chih-Hao Chuang ◽  
Hsuan-Ting Chang ◽  
Hoang-Yan Lin ◽  
Chien-Yu Chen
Keyword(s):  
Light Field ◽  
Wide Angle ◽  
Display System ◽  
Holographic Display

scholarly journals Distortion correction for wide angle holographic projector

2021 ◽  
Vol 13 (4) ◽  
pp. 79
Author(s):  
Jędrzej Szpygiel ◽  
Maksymilian Chlipała ◽  
Rafał Kukołowicz ◽  
Moncy Idicula ◽  
Tomasz Kozacki
Keyword(s):  
Angular Spectrum ◽  
Correction Method ◽  
Input Image ◽  
Distortion Correction ◽  
Optical Systems ◽  
Phase Method ◽  
Light Illumination ◽  
Wide Angle ◽  
Holographic Display ◽  
Double Phase

This letter presents distortion correction method enabling distortion minimized, large size image in wide angle holographic projector. The technique applies numerical predistortion of an input image used for hologram generation. It is based on estimation of distortion coefficients by comparing optically reconstructed point test chart with the original one. Obtained experimental results prove that the technique allows reconstruction of high-quality image. Full Text: PDF ReferencesM. Makowski, Experimental Aspects of Holographic Projection with a Liquid-Crystal-on-Silicon Spatial Light Modulator, in Holographic Materials and Optical Systems, M. Kumar, ed. (IntechOpen, 2019). CrossRef H. Pang, A. Cao, W. Liu, L. Shi, and Q. Deng, "Effective method for further magnifying the image in holographic projection under divergent light illumination", Appl. Opt. 58, 8713 (2019). CrossRef Y. Qi, C. Chang, and J. Xia, "Speckleless holographic display by complex modulation based on double-phase method", Opt. Express 24, 30368 (2016). CrossRef E. Buckley, "Holographic Laser Projection", J. Display Technol. 99, 1 (2010). DirectLink M. Chlipała, T. Kozacki, H. Yeom, J. Martinez-Carranza, R. Kukołowicz, J. Kim, J. Yang, J. Choi, J. Pi, and C. Hwang, "Wide angle holographic video projection display", Opt. Lett. 46, 4956 (2021). CrossRef Z. He, X. Sui, L. Cao and G. Jin, "Image-Distortion Correction Algorithm for Computer-Generated Holographic Display," 2018 IEEE 27th International Symposium on Industrial Electronics (ISIE), 1331 (2018). CrossRef A. Kaczorowski, G.S. Gordon, A. Palani, S. Czerniawski and T.D. Wilkinson, "Optimization-Based Adaptive Optical Correction for Holographic Projectors", J. Display Technol. 11(7), 596 (2015). CrossRef Z. He, X. Sui, G. Jin, L. Cao, "Distortion-Correction Method Based on Angular Spectrum Algorithm for Holographic Display", IEEE Trans. Industr. Inform. 15, 6162 (2019). CrossRef O. Mendoza-Yero, G. Mínguez-Vega, and J. Lancis, "Encoding complex fields by using a phase-only optical element", Opt. Lett. 39, 1740 (2014). CrossRef T. Kozacki, K. Falaggis, "Angular spectrum method with compact space–bandwidth: generalization and full-field accuracy", Appl. Opt. 55, 5014 (2016). CrossRef

Fourier RGB synthetic aperture color holographic capture for wide angle holographic display

2016 ◽  
Author(s):  
Anna Gołoś ◽  
Weronika Zaperty ◽  
Grzegorz Finke ◽  
Piotr Makowski ◽  
Tomasz Kozacki
Keyword(s):  
Synthetic Aperture ◽  
Wide Angle ◽  
Holographic Display

scholarly journals Wide angle holographic display system with spatiotemporal multiplexing

2012 ◽  
Vol 20 (25) ◽  
pp. 27473 ◽  
Author(s):  
Tomasz Kozacki ◽  
Grzegorz Finke ◽  
Piotr Garbat ◽  
Weronika Zaperty ◽  
Małgorzata Kujawińska
Keyword(s):  
Wide Angle ◽  
Display System ◽  
Holographic Display

Synthetic aperture Fourier holography for wide-angle holographic display of real scenes

2015 ◽  
Vol 54 (12) ◽  
pp. 3658 ◽  
Author(s):  
P. L. Makowski ◽  
T. Kozacki ◽  
P. Zdankowski ◽  
W. Zaperty
Keyword(s):  
Synthetic Aperture ◽  
Wide Angle ◽  
Holographic Display

CBED Shadow Images and Cs:Aberration Measurement

1982 ◽  
Vol 40 ◽  
pp. 696-697
Author(s):  
R. W. Carpenter ◽  
I.Y.T. Chan ◽  
J. M. Cowley
Keyword(s):  
Focal Point ◽  
Spherical Aberration ◽  
Optic Axis ◽  
Wide Angle ◽  
Caustic Surface ◽  
Convergent Beam

Wide-angle convergent beam shadow images(CBSI) exhibit several characteristic distortions resulting from spherical aberration. The most prominent is a circle of infinite magnification resulting from rays having equal values of a forming a cross-over on the optic axis at some distance before reaching the paraxial focal point. This distortion is called the tangential circle of infinite magnification; it can be used to align and stigmate a STEM and to determine Cs for the probe forming lens. A second distortion, the radial circle of infinite magnification, results from a cross-over on the lens caustic surface of rays with differing values of ∝a, also before the paraxial focal point of the lens.

Reconstruction of Chitin-Protein Complexes Using Correlation Averaging Methods: Ovipositor of the Ichneumon Fly Megarhyssa

1980 ◽  
Vol 38 ◽  
pp. 38-39
Author(s):  
L. T. Germinario ◽  
J. Blackwell ◽  
J. Frank
Keyword(s):  
Protein Complexes ◽  
Hexagonal Lattice ◽  
Uranyl Acetate ◽  
Optical Diffraction ◽  
Insect Cuticle ◽  
High Dose ◽  
Wide Angle ◽  
X Ray ◽  
Averaging Methods ◽  
Digital Correlation

This report describes the use of digital correlation and averaging methods 1,2 for the reconstruction of high dose electron micrographs of the chitin-protein complex from Megarhyssa ovipositor. Electron microscopy of uranyl acetate stained insect cuticle has demonstrated a hexagonal array of unstained chitin monofibrils, 2.4−3.0 nm in diameter, in a stained protein matrix3,4. Optical diffraction Indicated a hexagonal lattice with a = 5.1-8.3 nm3 A particularly well ordered complex is found in the ovipositor of the ichneumon fly Megarhyssa: the small angle x-ray data gives a = 7.25 nm, and the wide angle pattern shows that the protein consists of subunits arranged in a 61 helix, with an axial repeat of 3.06 nm5.

Developmental Risk Through a Wide-Angle Lens

1987 ◽  
Vol 32 (1) ◽  
pp. 54-55
Author(s):  
Jack P. Shonkoff
Keyword(s):  
Wide Angle ◽  
Developmental Risk ◽  
Wide Angle Lens
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