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

Encoding amplitude information onto phase-only filters.

J A Davis1, D M Cottrell, J Campos

  • 1Department of Physics, San Diego State University, San Diego, California 92182, USA. jdavis@sciences.sdsu.edu

Applied Optics
|March 8, 2008
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

Camizestrant in combination with capivasertib for women with ER-positive, HER2-negative advanced breast cancer: results from SERENA-1.

ESMO open·2026
Same author

Can physiological stimulation prior to ileostomy closure reduce postoperative ileus? A prospective multicenter pilot study.

Techniques in coloproctology·2022
Same author

Factors affecting the performance of P22 ELISA for the diagnosis of caprine tuberculosis in milk samples.

Research in veterinary science·2022
Same author

Characterization of <i>Globodera ellingtonae</i> Populations from Chile Utilizing Whole Genome Sequencing.

Journal of nematology·2021
Same author

SEDAR/SECCE ECMO management consensus document.

Revista espanola de anestesiologia y reanimacion·2021
Same author

Single-cell RNA sequencing of SARS-CoV-2 cell entry factors in the preconceptional human endometrium.

Human reproduction (Oxford, England)·2021
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Researchers developed a novel technique to encode amplitude information using phase-only filters and a spatial light modulator. This method spatially modulates diffraction efficiency, enabling amplitude modulation for optical pattern recognition and image processing applications.

Area of Science:

  • Optics and Photonics
  • Information Technology

Background:

  • Phase-only filters (POFs) are crucial in optical signal processing.
  • Encoding amplitude information onto POFs traditionally requires complex setups.

Purpose of the Study:

  • To introduce a new, single liquid-crystal spatial light modulator (LC-SLM) technique for encoding amplitude information onto a phase-only filter.
  • To demonstrate spatial modulation of diffraction efficiency for amplitude control.

Main Methods:

  • Spatially modulating the phase encoded onto the POF using an LC-SLM.
  • Controlling the diffraction efficiency by manipulating the phase profile.
  • Utilizing the first-order and zero-order diffracted light for amplitude modulation.

Main Results:

Related Experiment Videos

  • Successfully encoded amplitude information onto a POF using a single LC-SLM.
  • Demonstrated spatial control over the filter's diffraction efficiency.
  • Experimental validation of the technique for optical pattern recognition and image processing.

Conclusions:

  • The developed technique offers a simplified approach to amplitude modulation in optical systems.
  • This method has significant potential for applications in optical pattern recognition and inverse filtering.
  • The use of a single LC-SLM provides an efficient and versatile solution for advanced optical processing.