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

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

12.2K
Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
12.2K

You might also read

Related Articles

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

Sort by
Same author

Automated segmentation reveals sex-divergent age-related decline in temporalis muscle volume among Asian adults.

Scientific reports·2026
Same author

Poly(vinyl alcohol)/Chitosan/Glycine Composite-Based Eco-Friendly Biodegradable Triboelectric Nanogenerators.

ACS omega·2026
Same author

Enhanced Anaerobic Digestion of Sewage Sludge Through the Integration of Thermal Hydrolysis and Bioelectrochemical Anaerobic Digestion.

Bioengineering (Basel, Switzerland)·2026
Same author

ALDH2 inhibits head and neck tumorigenesis through RAS signaling suppression, transactivation of TGM2, and synergy with ALDH6A1.

Cellular and molecular life sciences : CMLS·2026
Same author

Accuracy of portable intraoperative CT with 3D computer navigation versus freehand fluoroscopy-assisted pedicle screw placement in thoracolumbar spine surgery.

Injury·2025
Same author

Integrated Lower Limb Robotic Orthosis with Embedded Highly Oriented Electrospinning Sensors by Fuzzy Logic-Based Gait Phase Detection and Motion Control.

Sensors (Basel, Switzerland)·2025

Related Experiment Video

Updated: Apr 5, 2026

Lensless Fluorescent Microscopy on a Chip
11:23

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

18.4K

Technique of microball lens formation for efficient optical coupling.

Cheng-Tang Pan1, Chi-Hui Chien, Chi-Chang Hsieh

  • 1Department of Mechanical and Electro-Mechanical Engineering and Center for Nanoscience and Nanotechnology, National Sun Yat-Sen University, Kaoshiung 804, Taiwan. panct@mail.nsysu.edu.tw

Applied Optics
|December 14, 2004
PubMed
Summary

Batch-fabricated microball lens arrays offer a cost-effective alternative to traditional lenses, maintaining performance. A critical aspect ratio of 0.3 determines lens shape, enabling optimal coupling distances and reduced insertion loss.

More Related Videos

Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications
08:06

Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications

Published on: June 2, 2017

14.7K
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

1.4K

Related Experiment Videos

Last Updated: Apr 5, 2026

Lensless Fluorescent Microscopy on a Chip
11:23

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

18.4K
Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications
08:06

Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications

Published on: June 2, 2017

14.7K
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

1.4K

Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Traditional optical components like aspheric and graded-index lenses are often expensive and require complex assembly.
  • Microfabrication techniques offer potential for cost reduction and performance enhancement in optical systems.

Purpose of the Study:

  • To investigate the feasibility of batch-fabricated microball lens arrays as a replacement for traditional optical components.
  • To determine the critical parameters influencing microball lens formation and optical performance.

Main Methods:

  • Fabrication of microball lens arrays using a batch process.
  • Experimental characterization of lens shape and optical coupling efficiency using a 633-nm laser.
  • Analysis of the relationship between aspect ratio and lens morphology.

Main Results:

  • A critical aspect ratio of approximately 0.3 was identified, dictating the transition from mushroom to microball lens shapes.
  • Microball lens arrays achieved an optimal coupling distance of ~8 micrometers with insertion loss below -1.3 dB (73% coupling efficiency).
  • The developed microball lens arrays demonstrated comparable performance to traditional lenses while reducing assembly costs.

Conclusions:

  • Batch-fabricated microball lens arrays provide an effective and economical solution for optical coupling applications.
  • Control over the aspect ratio is crucial for achieving desired microball lens morphology and performance.
  • This technology offers a significant reduction in assembly cost without compromising optical performance.