Results 71 to 80 of about 3,478,957 (237)
Optics Express, 2018 We investigate the spin properties of a family of cylindrical vector vortex beams under a focusing condition. The spin-orbit interaction is demonstrated by comparing the energy flow and spin flow density of the focused field to those of the incident ...
Peng Shi, L. Du, Xiaocong Yuan
semanticscholar +1 more source
Design, Analysis, and Manufacturing of Diffractive Achromatic Optical Systems
MicromachinesThe increasing resolution requirements of imaging optical systems must be satisfied by expanding the aperture of the optical system according to Rayleigh’s criterion, and larger apertures of conventional refractive/reflective optics place a greater ...
Yidi Zheng +5 more
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Studies of novel beam shapes and applications to optical manipulation
, 2011 Electronic redacted version excludes material for which permission has not been granted by the rights holderIn this thesis an investigation into novel beams and optical manipulation is presented.
Morris, Jill E.
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Free-form catenary-inspired meta-couplers for ultra-high or broadband vertical coupling
NanophotonicsMetasurface-assisted waveguide couplers, or meta-couplers, innovatively link free-space optics with on-chip devices, offering flexibility for polarization and wavelength (de)multiplexing, mode-selective coupling, and guided mode manipulation.
Chen Tianqu +11 more
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MicromachinesMask optimization is a critical technique for enhancing imaging performance in digital micromirror device (DMD)-based maskless lithography. Conventional algorithms, however, often suffer from slow convergence and limited adaptability, particularly when ...
Zhiyong Chen +5 more
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Dynamic morphing of 3D curved laser traps for all-optical manipulation of particles.
Optics Express, 2018 The development of optical manipulation techniques focused on the confinement and transport of micro/nano-particles has attracted increased interest in the last decades.
J. Rodrigo, Mercedes Angulo, T. Alieva
semanticscholar +1 more source
Optical sorting and manipulation of microscopic particles
, 2007 Over the last few decades, the use of light to control and manipulate microscopic particles has become widespread. These methods are enabling new areas of research to flourish across the physical and biological sciences.
Milne, Graham
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Optical fluid and biomolecule transport with thermal fields [PDF]
, 2011 A long standing goal is the direct optical control of biomolecules and water for applications ranging from microfluidics over biomolecule detection to non-equilibrium biophysics.
Braun, Dieter +5 more
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Investigation of the Radiation Effect on BOTDR Under Low Space Radiation Doses
IEEE Photonics Journal, 2020 To verify the feasibility of Brillouin optical time domain reflector (BOTDR) applied in space station, three kinds of commercial fibers, YOFC fiber (about 1 km), Corning fiber (about 1 km) and Fujikura fibers (about 1.5 km), have been radiated by Co60 in
Mi Li +5 more
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Optical trapping: optical interferometric metrology and nanophotonics
, 2010 The two main themes in this thesis are the implementation of interference methods with optically trapped particles for measurements of position and optical phase (optical interferometric metrology) and the optical manipulation of nanoparticles for ...
Lee, Woei Ming
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