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

You might also read

Related Articles

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

Sort by

Same author

Ptychography at all wavelengths.

Nature reviews. Methods primers·2026

Same author

Transcutaneous spinal cord stimulation plus locomotor training versus sham-stimulation plus locomotor training in chronic spinal cord injury (eWALK): a multicentre, triple-blind, randomised, sham-controlled trial.

EClinicalMedicine·2026

Same author

The minimal clinically important difference for the patient activation measure in a culturally and linguistically diverse cohort with chronic conditions.

Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation·2026

Same author

Correction: Development of a core outcome set for the assessment of spasticity in adults: a study protocol.

Trials·2026

Same author

Deep-ultraviolet ptychographic pocket-scope (DART): mesoscale lensless molecular imaging with label-free spectroscopic contrast.

eLight·2026

Same author

Response to "Neuromuscular Control and Resistance Training for Chronic Low Back Pain: Discussing a Randomized Controlled Trial".

The Journal of orthopaedic and sports physical therapy·2026

Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026

Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026

Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026

Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026

Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026

Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 8, 2026

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Characterizing a spatial light modulator using ptychography.

Samuel McDermott, Peng Li, Gavin Williams

|February 2, 2017

Summary

This summary is machine-generated.

Ptychography precisely measures and corrects spatial light modulator (SLM) phase response, including optical curvature and gamma curve. This technique maps phase profiles with subpixel resolution across the entire SLM active region.

More Related Videos

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

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Related Experiment Videos

Last Updated: Mar 8, 2026

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

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

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Area of Science:

Optics
Metrology
Materials Science

Background:

Spatial light modulators (SLMs) are crucial optical components.
Accurate characterization of SLM phase response is essential for advanced optical systems.
Existing methods may lack the precision or field of view required for comprehensive SLM analysis.

Purpose of the Study:

To employ ptychography for detailed characterization of spatial light modulator (SLM) phase response.
To measure and correct optical curvature and gamma curve aberrations in SLMs.
To demonstrate ptychography's capability for high-resolution phase mapping over an extended field of view.

Main Methods:

Utilizing ptychography, a coherent diffractive imaging technique.
Applying the method to measure the phase response of an SLM device.
Implementing corrections for optical curvature and gamma curve.
Leveraging ptychography's extended field of view capability for comprehensive mapping.

Main Results:

Successful measurement and correction of SLM optical curvature and gamma curve.
Demonstration of subpixel resolution phase profile mapping.
Characterization of the entire active region of the SLM.
Validation of ptychography for precise SLM metrology.

Conclusions:

Ptychography is a powerful tool for accurate SLM phase response characterization.
The technique enables correction of key SLM aberrations.
Extended field of view ptychography allows for complete device performance evaluation.