Results 121 to 130 of about 39,013 (312)
Lab on a ChipThe manuscript unveils a portable optofluidic device for precise trapping, manipulation, and sorting of single cells/particles using a single standard unmodified optical fiber in a microfluidic channel—a notable advance in optofluidic technology.
Shreyas Vasantham +4 more
openaire +2 more sources
Excitation‐Wavelength‐Tunable Lasing in Individual Quantum Dot Superparticles
Advanced Optical Materials, EarlyView.Mesoscale superparticles assembled from CdSe quantum dots are shown to behave as microlasers with emission properties that can be tuned by changing the excitation wavelength. Abstract Microcavities enable precise control over light‐matter interactions, supporting a wide range of applications in photonics and optoelectronics.
Marco Reale +5 more
wiley +1 more source
Construction of force measuring optical tweezers instrumentation and investigations of biophysical properties of bacterial adhesion organelles [PDF]
arXiv, 2015 Optical tweezers are a technique in which microscopic-sized particles, including living cells and bacteria, can be non-intrusively trapped with high accuracy solely using focused light. The technique has therefore become a powerful tool in the field of biophysics.
arxiv
Stimulated Raman Scattering with Optical Vortex Beams
Advanced Photonics Research, EarlyView.This study presents exact analytical expressions for stimulated Raman scattering with Laguerre‐Gaussian beams, revealing signal dependence on topological and hyperbolic momentum. The results provide a theoretical foundation for coherent Raman imaging and detecting orbital angular momentum of light via structured light in nonlinear optics.
Minhaeng Cho
wiley +1 more source
Switching of three-dimensional optical cages using spatial coherence engineering
APL PhotonicsPrecisely capturing and manipulating microparticles is the key to exploring microscopic mysteries. Optical tweezers play a crucial role in facilitating these tasks. However, existing optical tweezers are limited by their dependence on specific beam modes,
Ying Xu +6 more
doaj +1 more source
Sorting Out Bacterial Viability with Optical Tweezers [PDF]
, 2000 Morgan Ericsson +4 more
openalex +1 more source
Precision Construction of Chiral Optical Fields with Nine Controllable Degrees of Freedom
Advanced Photonics Research, EarlyView.Chiral optical fields (COFs) offer multiple controllable degrees of freedom (DOFs), enabling applications in optical tweezers, manufacturing, and encryption. However, achieving precise sidelobe control remains a challenge. This work introduces a modular multilayer annular phase plate to fine‐tune COFs by manipulating nine DOFs.
Duo Deng +4 more
wiley +1 more source
Advanced Photonics Research, Volume 6, Issue 5, May 2025.Microfabrication using nano‐ to micron‐sized blocks has transformative potential for next‐gen electronics, optoelectronics, and materials. Traditional methods are limited by scalability and precision. STIC, a single‐laser system for precise colloid manipulation and immobilization using femtosecond lasers, is introduced that enables efficient 3D ...
Krishangi Krishna +4 more
wiley +1 more source