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Related Experiment Video

Updated: May 26, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

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

Published on: January 28, 2019

Wavelength tunable laser beam shaping.

Andrew Forbes1, Fred Dickey, Mapule DeGama

  • 1Council for Scientific and Industrial Research (CSIR), P.O. Box 395, Pretoria 0001, South Africa. aforbes1@csir.co.za

Optics Letters
|January 4, 2012
PubMed
Summary
This summary is machine-generated.

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Laser beam shaping is typically wavelength-dependent. This study presents a wavelength-tunable formulation and experimental validation, showing a single optical element can shape beams across various wavelengths.

Area of Science:

  • Optics
  • Photonics
  • Laser Physics

Background:

  • Phase-only laser beam shaping, or field mapping, has historically been considered wavelength-dependent.
  • This limitation restricts the flexibility and applicability of diffractive optical elements in tunable laser systems.

Purpose of the Study:

  • To demonstrate a mathematical framework for wavelength-tunable laser beam shaping.
  • To experimentally verify the theoretical prediction using a single diffractive optical element.
  • To show the validity of beam shaping across a broad spectrum of wavelengths.

Main Methods:

  • Developed a mathematical argument for wavelength-tunable field mapping.
  • Proposed a minor adjustment in the observation plane for tunability.
  • Conducted experiments using a Gaussian-to-flattop-beam transformation.

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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Related Experiment Videos

Last Updated: May 26, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

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

Published on: January 28, 2019

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Main Results:

  • The mathematical formulation enables wavelength-tunable beam shaping.
  • Experimental results confirm the theoretical predictions.
  • A single diffractive optical element successfully shaped laser beams across a wide wavelength range.

Conclusions:

  • Laser beam shaping using phase-only transformations can be made wavelength-tunable.
  • This approach offers enhanced flexibility for optical system design.
  • The validated method allows for versatile beam shaping with minimal hardware adjustments.