Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Mar 18, 2026

Direct Force Measurements of Subcellular Mechanics in Confinement using Optical Tweezers
09:56

Direct Force Measurements of Subcellular Mechanics in Confinement using Optical Tweezers

Published on: August 31, 2021

5.8K

Optical doughnut for optical tweezers.

D W Zhang1, X C Yuan

  • 1School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore, 639798. edwzhang@ntu.edu.sg

Optics Letters
|May 16, 2003
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Risk factors analysis and prediction model construction of major adverse cardiovascular events in pregnant women with valvular heart disease].

Zhonghua fu chan ke za zhi·2024
Same author

Investigation of microbiologically influenced corrosion inhibition of 304 stainless steel by D-cysteine in the presence of Pseudomonas aeruginosa.

Bioelectrochemistry (Amsterdam, Netherlands)·2021
Same author

[Two cases of neuroblastoma in the triplets].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2021
Same author

[Correlation between systemic inflammation level and emphysema degree and bone mineral density in chronic obstructive pulmonary disease patients and its mechanism].

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases·2021
Same author

[Ultrasonographic assessment and differentiation of spontaneous degenerating cystic thyroid nodules and papillary thyroid carcinomas].

Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery·2021
Same author

[Clinical characteristics and prognostic analysis of 458 children with high-risk neuroblastoma in a single center].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2020

Researchers developed new optical doughnuts for optical tweezers, creating custom beam shapes with dark cores. This technique allows for precise manipulation of trapped objects by matching beam profiles to their specific needs.

Area of Science:

  • Optics and Photonics
  • Biophysics
  • Optical Tweezers Technology

Background:

  • Optical tweezers utilize focused laser beams to trap and manipulate microscopic objects.
  • Traditional optical tweezers often employ Laguerre-Gaussian beams, which have a doughnut shape with a central dark core.

Purpose of the Study:

  • To introduce novel optical doughnut beams for optical tweezers.
  • To enable the creation of doughnut beams with specified dark core shapes.
  • To provide a versatile method for tailoring optical trap geometries to specific trapped objects.

Main Methods:

  • Development of new phase functions to control beam properties.
  • Generation of optical doughnut beams with custom-shaped dark cores.
  • Utilizing principles similar to Laguerre-Gaussian beam generation.

More Related Videos

Probing Cell Mechanics with Bead-Free Optical Tweezers in the Drosophila Embryo
08:23

Probing Cell Mechanics with Bead-Free Optical Tweezers in the Drosophila Embryo

Published on: November 2, 2018

8.1K
Stretching Short Sequences of DNA with Constant Force Axial Optical Tweezers
08:48

Stretching Short Sequences of DNA with Constant Force Axial Optical Tweezers

Published on: October 13, 2011

13.6K

Related Experiment Videos

Last Updated: Mar 18, 2026

Direct Force Measurements of Subcellular Mechanics in Confinement using Optical Tweezers
09:56

Direct Force Measurements of Subcellular Mechanics in Confinement using Optical Tweezers

Published on: August 31, 2021

5.8K
Probing Cell Mechanics with Bead-Free Optical Tweezers in the Drosophila Embryo
08:23

Probing Cell Mechanics with Bead-Free Optical Tweezers in the Drosophila Embryo

Published on: November 2, 2018

8.1K
Stretching Short Sequences of DNA with Constant Force Axial Optical Tweezers
08:48

Stretching Short Sequences of DNA with Constant Force Axial Optical Tweezers

Published on: October 13, 2011

13.6K

Main Results:

  • Successfully created optical doughnut beams with non-traditional, specified dark core shapes.
  • Demonstrated the ability to generate a variety of beam shapes for versatile trapping applications.
  • Showcased direct beam rotation by manipulating phase structures.

Conclusions:

  • The novel optical doughnuts offer a simple and effective method for generating diverse beam shapes in optical tweezers.
  • This technique enhances the adaptability of optical tweezers for manipulating various objects.
  • The ability to create custom beam profiles expands the capabilities of optical manipulation.