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

You might also read

Related Articles

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

Sort by
Same author

Hydrophilic-Stable Nucleoside-Based Hydrogen-Bonded Organic Frameworks (N-HOF) for Therapeutic Bacterial Hybrid Systems.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Clinical Validation of the MC-80 Digital Morphology Analyzer in Leukocyte Classification: A Large-Scale Comparison With Manual Microscopy.

International journal of laboratory hematology·2026
Same author

Development of a prediction model for infectious mononucleosis using machine learning algorithms based on blood cell analysis parameters.

BMC infectious diseases·2026
Same author

System-level metabolic and enzyme engineering enables high-titer gastrodin biosynthesis in yeast.

Bioresource technology·2026
Same author

A scoping review of national policies for healthy China from 2008 to 2024.

BMC public health·2026
Same author

ADME investigations of novel therapeutic modalities: challenges and opportunities 2025.

Expert opinion on drug metabolism & toxicology·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

Related Experiment Video

Updated: May 22, 2026

Development of an In Vitro Ocular Platform to Test Contact Lenses
08:28

Development of an In Vitro Ocular Platform to Test Contact Lenses

Published on: April 6, 2016

Microelectromechanical-systems-driven two-layer rotary-blade-based adjustable iris diaphragm.

Guangya Zhou1, Hongbin Yu, Yu Du

  • 1Department of Mechanical Engineering, National University of Singapore, Singapore. mpezgy@nus.edu.sg

Optics Letters
|May 26, 2012
PubMed
Summary
This summary is machine-generated.

We developed a miniature adjustable iris diaphragm using microelectromechanical systems (MEMS). This novel device allows for precise aperture control in small camera systems, offering a wide adjustment range.

More Related Videos

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging
07:14

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Published on: April 11, 2025

Microfabricated Platforms for Mechanically Dynamic Cell Culture
15:21

Microfabricated Platforms for Mechanically Dynamic Cell Culture

Published on: December 26, 2010

Related Experiment Videos

Last Updated: May 22, 2026

Development of an In Vitro Ocular Platform to Test Contact Lenses
08:28

Development of an In Vitro Ocular Platform to Test Contact Lenses

Published on: April 6, 2016

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging
07:14

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

Published on: April 11, 2025

Microfabricated Platforms for Mechanically Dynamic Cell Culture
15:21

Microfabricated Platforms for Mechanically Dynamic Cell Culture

Published on: December 26, 2010

Area of Science:

  • * Microelectromechanical Systems (MEMS)
  • * Optics and Photonics
  • * Miniature Device Engineering

Background:

  • * Traditional iris diaphragms can be bulky and complex.
  • * Miniaturization is crucial for modern portable optical devices.
  • * MEMS offer a pathway to highly integrated and compact actuators.

Purpose of the Study:

  • * To design and fabricate a miniature adjustable iris diaphragm.
  • * To utilize microelectromechanical-systems-based electrostatic rotary microactuators for diaphragm control.
  • * To demonstrate the aperture adjustability and performance in a camera lens system.

Main Methods:

  • * Design and fabrication of a proof-of-concept device.
  • * Utilized silicon-on-insulator (SOI) micromachining process.
  • * Integration with microelectromechanical-systems-based electrostatic rotary microactuators.

Main Results:

  • * Experimentally demonstrated adjustable iris diaphragm aperture diameter from 0.45 mm to 1.56 mm.
  • * Achieved an adjustment range of over three full f-stops when integrated into a miniature camera lens system.
  • * Successful proof-of-concept validation of the MEMS-driven iris diaphragm.

Conclusions:

  • * The developed MEMS-based iris diaphragm is a viable solution for miniaturized optical systems.
  • * The device offers significant aperture control within a compact form factor.
  • * This technology has potential applications in miniature cameras and other micro-optical devices.