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 Concept Videos

Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...

You might also read

Related Articles

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

Sort by
Same author

Dark-field synthetic-aperture digital holographic microscopy with an enhanced numerical aperture.

Optics express·2026
Same author

Neural phase microscopy with metasurface optics for real-time and nanoscale quantitative phase imaging.

Nature communications·2026
Same author

Eye-box extension in micro-OLED augmented reality near-eye display with a holographic multi-path optical element combiner.

Optics letters·2025
Same author

Dispersive eye-box extension in micro-OLED augmented reality glasses with a dual-holographic dispersion-compensating reflective combiner.

Optics letters·2025
Same author

Polaritonic Fourier crystal.

Nature communications·2025
Same author

Molecular Drillers for 2 nm Resolution Nanochannel Perforation of 2D Nanoplates.

Journal of the American Chemical Society·2025

Related Experiment Video

Updated: May 26, 2026

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

Phase-conjugate holographic lithography based on micromirror array recording.

Yongjun Lim1, Joonku Hahn, Byoungho Lee

  • 1National Creative Research Center for Active Plasmonics Application Systems, Inter-University Semiconductor Research Center and School of Electrical Engineering, Seoul National University, Gwanak-Gu Gwanakro 1, Seoul 151-744, South Korea.

Applied Optics
|December 24, 2011
PubMed
Summary
This summary is machine-generated.

Phase-conjugate holographic lithography uses digital micromirror devices (DMDs) and telecentric lenses to create patterns. This advanced technique offers an extended focus range, ideal for patterning uneven surfaces with high resolution.

More Related Videos

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

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

Related Experiment Videos

Last Updated: May 26, 2026

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

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

Area of Science:

  • Optics and Photonics
  • Materials Science
  • Nanotechnology

Background:

  • Conventional lithography relies on physical masks or reticles, limiting flexibility and focus range.
  • Patterning uneven surfaces presents challenges for traditional lithographic methods due to depth-of-focus limitations.

Purpose of the Study:

  • To introduce and demonstrate a novel phase-conjugate holographic lithography system.
  • To leverage digital micromirror devices (DMDs) for dynamic hologram generation in lithography.
  • To showcase the system's capability for patterning uneven surfaces and achieving large-area fabrication.

Main Methods:

  • Utilizing phase-conjugate holography with a hologram recorded by a digital micromirror device (DMD).
  • Employing a telecentric lens system to control pattern demagnification and resolution.
  • Dynamically generating hologram patterns via the DMD for flexible patterning.
  • Stitching individual DMD-generated patterns to create large-area holograms.

Main Results:

  • The holographic lithography system demonstrated a significantly increased focus range compared to conventional methods.
  • Successful patterning was achieved on fairly uneven surfaces, highlighting the method's robustness.
  • The resolution of the generated patterns was primarily determined by the telecentric lens's demagnification factor.
  • Large-area holograms were fabricated by stitching DMD patterns without compromising resolution.

Conclusions:

  • Phase-conjugate holographic lithography offers a versatile and effective alternative to traditional lithographic techniques.
  • The system's extended focus range and applicability to uneven surfaces open new possibilities in micro- and nanofabrication.
  • Dynamic pattern generation via DMDs and large-area fabrication through stitching are key advantages for advanced manufacturing.