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Related Experiment Video

Updated: Apr 6, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

Complete shaping of optical vector beams.

Zhaozhong Chen, Tingting Zeng, Binjie Qian

|July 21, 2015

Summary

Researchers demonstrate simultaneous control over optical beam amplitude, phase, and polarization using a spatial light modulator (SLM). This method allows for creating complex vector beams with tailored properties for advanced optical applications.

Area of Science:

Optics and Photonics
Quantum Information Science

Background:

Vector beams possess unique polarization properties crucial for advanced optical applications.
Simultaneous control over amplitude, phase, and polarization of optical beams is challenging.

Purpose of the Study:

To propose and experimentally demonstrate a method for complete and simultaneous modulation of optical beam properties.
To enable the creation of arbitrarily structured vector beams using a single spatial light modulator (SLM).

Main Methods:

Utilizing a 4-f system incorporating a phase-only spatial light modulator (SLM).
Employing a computer-generated hologram to produce two orthogonally polarized base beams.
Implementing a macro-pixel encoding technique for complex amplitude control of base components.

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

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Related Experiment Videos

Last Updated: Apr 6, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

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

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Main Results:

Successful generation of vector beams through coaxial superposition of base beams.
Demonstration of simultaneous modulation of amplitude, phase, and polarization.
Creation of optical fields with arbitrarily structured parameters.

Conclusions:

The proposed method offers an easy-to-implement route for generating complex vector beams.
This technique expands the functionality of vector beams with space-variant parameters.
Facilitates exploration of novel effects in optics and quantum information science.