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

Disturbance-free high-speed sinusoidal phase-modulating laser diode interferometer.

Takamasa Suzuki1, Toshiyuki Maki, Xuefeng Zhao

  • 1Faculty of Engineering, Niigata University, Japan. takamasa@eng.niigata-u.ac.jp

Applied Optics
|April 9, 2002
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

Ischemic time is associated with procedure-related no-reflow/slow-flow during perfusion balloon-assisted percutaneous coronary intervention in acute coronary syndrome.

Cardiovascular intervention and therapeutics·2026
Same author

Surgical paradox: Physiological activation and improved mood state during surgical work in pediatric surgeons.

Journal of occupational health·2026
Same author

Effect of perioperative targeted therapy duration on prognosis in patients with gastrointestinal stromal tumors undergoing neoadjuvant imatinib therapy: A nationwide retrospective study.

European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology·2026
Same author

Preprocedural cardiac computed tomography assessment of left atrial posterior wall morphology predicts atrial tachyarrhythmia recurrence after cryoballoon pulmonary vein isolation.

Heart rhythm O2·2026
Same author

Bisbenzoselenophene[<i>b</i>]-Fused AzaBODIPYs as Strong Near-Infrared-Absorbing Photosensitizers for Effective Photodynamic Tumor Therapy.

Journal of medicinal chemistry·2026
Same author

Injectable Matrix Metalloproteinase-Responsive Nanoparticle Hydrogel Scaffold for Sustained Local Drug Delivery in Fibrous Dysplasia.

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research·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

This study introduces a surface profiler with a feedback controller to minimize disturbances. An electronic shutter allows high-speed modulation, improving performance over traditional low-frequency methods.

Area of Science:

  • Optical Engineering
  • Metrology
  • Instrumentation

Background:

  • Surface profilers are crucial for precise measurements.
  • External disturbances can significantly impact measurement accuracy.
  • Traditional integrating-bucket methods often require low-frequency operation.

Purpose of the Study:

  • To propose and demonstrate a surface profiler with an integrated feedback controller.
  • To enhance the performance of surface profiling by mitigating external disturbances.
  • To enable high-speed phase modulation within the integrating-bucket method.

Main Methods:

  • Incorporation of a feedback controller to counteract external disturbances.
  • Utilizing a CCD camera with an electronic shutter.

Related Experiment Videos

  • Application of high-speed sinusoidal phase modulation.
  • Adaptation of the integrating-bucket method for standard video rates.

    • Main Results:

    • The developed surface profiler effectively eliminates external disturbances.
    • The feedback loop's frequency response is critical for overall performance.
    • High-speed sinusoidal phase modulation was successfully implemented.
    • The technique operates under standard video rates, overcoming previous limitations.

    Conclusions:

    • The proposed surface profiler with a feedback controller offers improved accuracy and performance.
    • The electronic shutter enables high-speed modulation, enhancing the integrating-bucket method.
    • This advancement allows for more efficient and precise surface metrology.