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 Videos

Ultrashort laser pulse beam shaping.

Shuyan Zhang1, Yuhang Ren, Gunter Lüpke

  • 1Department of Applied Science, The College of William and Mary, Williamsburg, Virginia 23187, USA. sxzhan@wm.edu

Applied Optics
|February 5, 2003
PubMed
Summary

Ultrashort laser pulses propagating through a diffractive beam-shaping system experience significant pulse front curvature and temporal broadening. This leads to deviations from the intended uniform profile, impacting laser applications.

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

Digital Affective Resilience: A Cross-Sectional Observational Study of Anxiety-Related Chinese Social Media.

Nursing open·2026
Same author

Perceived partner responsiveness between benign prostatic hyperplasia's symptom index and aging male symptoms.

Scientific reports·2026
Same author

Decent Work Mediates the Relationship Between Work Capital and Work Engagement Among Nurses.

Nursing open·2026
Same author

Multi-Scale Water Modulation for Regulating Water Reactivity and Suppressing Nanoscale Zero-Valent Iron (nZVI) Corrosion.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Synergistic piezo-immunotherapy enabled by lithium-doped SrTiO<sub>3</sub> nanocatalysts for potent tumor ablation through ROS generation and immune activation.

Regenerative biomaterials·2026
Same author

Computational text analysis of emotional expressions related to non-suicidal self-injury in Chinese social media.

Scientific reports·2026

Area of Science:

  • Optics and Photonics
  • Ultrafast Laser Technology
  • Beam Shaping

Background:

  • Diffractive optical elements are used for beam shaping.
  • Continuous wave beam shapers may not perform as expected with ultrashort pulses.
  • Understanding pulse propagation is crucial for laser system design.

Purpose of the Study:

  • To analyze the temporal and spatial characteristics of ultrashort laser pulses in a diffractive beam-shaping system.
  • To evaluate the performance of a system designed for continuous waves when used with ultrashort pulses.
  • To investigate pulse front curvature and its impact on beam profile.

Main Methods:

  • Calculation of temporal and spatial characteristics of ultrashort laser pulses.
  • Propagation analysis through a diffractive beam-shaping system.
  • Simulation of a 10-femtosecond pulse conversion from Gaussian to uniform irradiance.

Main Results:

  • Significant pulse front curvature was observed for a 10-femtosecond pulse.
  • Temporal broadening of the pulse increases with increasing radius.
  • The spatial intensity distribution deviates from a top-hat profile.
  • Fluence distribution remains radially homogeneous despite intensity profile deviations.

Conclusions:

  • Diffractive beam-shaping systems designed for continuous waves exhibit significant temporal and spatial distortions with ultrashort pulses.
  • Pulse front curvature is a key factor affecting the performance of these systems.
  • The findings highlight the need for specialized design considerations for ultrashort pulse beam shaping.

Related Experiment Videos