Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Focusing of Light in the Eye

Focusing of Light in the Eye

Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...

You might also read

Related Articles

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

Sort by

Same author

Precise Measurement of the Chromoelectric Dipole Moment of the Charm Quark.

Physical review letters·2026

Same author

[Exploration on the application of perineal lateral arc-shaped incision in the resection of complex tumors on the lateral side of the pelvic floor].

Zhonghua zhong liu za zhi [Chinese journal of oncology]·2026

Same author

Experimental Observation of Anomalous Stopping of Mega-ampere Electron Current in Porous Materials.

Physical review letters·2026

Same author

First Measurement of the D_{s}^{+}→K^{0}μ^{+}ν_{μ} Decay.

Physical review letters·2026

Same author

[Efficacy analysis of individualized surgical strategies for extracranial carotid artery aneurysms based on aneurysm location and parent-artery lesion characteristics].

Zhonghua yi xue za zhi·2026

Same author

Observation of the Electromagnetic Radiative Decays of the Λ(1520) and Λ(1690) to γΣ^{0}.

Physical review letters·2026

Search research articles

Related Experiment Video

Updated: Jul 5, 2026

Video-rate Scanning Confocal Microscopy and Microendoscopy

Video-rate Scanning Confocal Microscopy and Microendoscopy

Published on: October 20, 2011

Efficient high-charge Laguerre-Gaussian mode conversion by using a periscopic axicon mirror.

S J Zhang, H B Zhuo, Y Yin

|April 27, 2022

Summary

This study presents a novel three-step method to significantly enhance the conversion efficiency of Gaussian beams into high-charge Laguerre-Gaussian (LG) modes using spiral phase plates (SPPs) and a periscopic axicon mirror (PAM). The optimized scheme achieves a high conversion efficiency of 91.85%.

More Related Videos

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Published on: April 4, 2017

Related Experiment Videos

Last Updated: Jul 5, 2026

Video-rate Scanning Confocal Microscopy and Microendoscopy

Video-rate Scanning Confocal Microscopy and Microendoscopy

Published on: October 20, 2011

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Published on: April 4, 2017

Area of Science:

Optical physics
Laser beam shaping
Quantum optics

Background:

Laguerre-Gaussian (LG) modes are crucial in various optical applications.
Converting fundamental Gaussian beams to high-charge LG modes using spiral phase plates (SPPs) suffers from reduced efficiency due to transverse intensity deviations.

Purpose of the Study:

To propose and verify a novel three-step scheme for dramatically improving the conversion efficiency of Gaussian to high-charge LG modes.
To overcome the limitations of existing methods in high charge plate applications.

Main Methods:

A three-step conversion process involving a 1st-order SPP, spatial filtering, a periscopic axicon mirror (PAM), and a second high-order SPP.
Optimization of the PAM parameter to match beam intensity.
Numerical simulations using the particle-in-cell (PIC) code EPOCH for verification.

Main Results:

Achieved a total conversion efficiency as high as 91.85% from a fundamental Gaussian beam to a high-charge LG0l mode.
Demonstrated significantly higher efficiency compared to methods without the PAM.
Validated the scheme's effectiveness through numerical simulations.

Conclusions:

The proposed three-step scheme effectively enhances the conversion efficiency of Gaussian to high-charge LG modes.
The integration of a PAM is critical for intensity matching and efficiency improvement.
This method offers a viable solution for efficient generation of high-charge LG beams.