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

Collimation testing with optically active materials.

Arun Anand1, Vani K Chhaniwal, C S Narayanamurthy

  • 1Photonics Laboratory, Department of Applied Physics, Faculty of Technology and Engineering, Maharaja Sayajirao University of Baroda, Vadodara 390001, Gujarat, India. arun_nair_in@yahoo.com

Applied Optics
|July 28, 2005
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

Semi-analytical modeling and simulation of human red blood cell deformation under non-linear strain.

The European physical journal. E, Soft matter·2026
Same author

Morphological investigation of astrocyte brain cells using quantitative phase imaging.

Biomedical optics express·2026
Same author

Microsphere-assisted common-path grating-based digital holographic microscopy.

Optics express·2026
Same author

Stifle joint alterations in dogs with patellar luxation.

Scientific reports·2026
Same author

Intrinsic and extrinsic orbital angular momentum of a self-healed optical vortex.

Optics letters·2026
Same author

No single superior technique: A network meta-analysis of open, laparoscopic, endoscopic, robotic and hybrid techniques of incisional and ventral hernia repair.

Hernia : the journal of hernias and abdominal wall surgery·2026
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

A new method uses optically active materials and polarizers to test laser beam collimation. Output intensity variations directly indicate the degree of decollimation without complex analysis.

Area of Science:

  • Optics
  • Laser Physics
  • Materials Science

Background:

  • Laser beam collimation is crucial for many applications.
  • Existing methods for testing collimation can be complex or require referencing.
  • Optically active materials possess unique polarization-rotating properties.

Purpose of the Study:

  • To introduce a novel, simple method for assessing laser beam collimation.
  • To utilize the polarization-rotating properties of optically active media for collimation testing.
  • To develop a technique that avoids the need for referencing or fringe analysis.

Main Methods:

  • A pair of crossed polarizers was employed.
  • The laser beam was passed through an optically active medium.
  • Output intensity variations were measured and correlated with beam decollimation.

Related Experiment Videos

Main Results:

  • A direct relationship was established between output intensity variation and laser beam decollimation.
  • The method demonstrated sensitivity to changes in beam collimation.
  • The technique proved easy to implement and did not require fringe analysis.

Conclusions:

  • The presented method offers a straightforward and effective way to test laser beam collimation.
  • Optically active materials provide a viable medium for novel optical testing techniques.
  • This approach simplifies the assessment of beam quality in optical systems.