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

Dual-comb spectroscopic ellipsometry.

Takeo Minamikawa1,2, Yi-Da Hsieh3,4, Kyuki Shibuya3,4

  • 1Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minami-Josanjima, Tokushima, 770-8506, Japan. minamikawa.takeo@tokushima-u.ac.jp.

Nature Communications
|September 22, 2017
PubMed
Summary

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

Vomeronasal sensory input and its social behavioral output.

Chemical senses·2026
Same author

Beyond 350 GHz: Single-channel 112 Gbps photonic wireless transmission at 560 GHz using soliton microcombs.

Communications engineering·2026
Same author

Complementary hybrid dual-comb spectroscopy.

Optics express·2026
Same author

Lensless variable magnification by 200  µm single-fiber ghost imaging.

Applied optics·2026
Same author

See-through aerial imaging display with eyebox control optical system.

Optics express·2026
Same author

All-photonic W-band terahertz receiver based on THz-to-optical carrier conversion with soliton microcomb dual carriers for high-speed OOK wireless transmission.

Optics express·2026
Same journal

Sub1 contributes to heart failure with preserved ejection fraction driven by aging in mice.

Nature communications·2026
Same journal

The BRCA1-A complex restricts replication fork reversal-dependent DNA repair in ATM deficient cells.

Nature communications·2026
Same journal

Signaling downstream of tumor-stroma interaction regulates mucinous colorectal adenocarcinoma apicobasal polarity.

Nature communications·2026
Same journal

Click-polymerized polyenamine membranes for efficient lithium extraction.

Nature communications·2026
Same journal

Joint trajectories of brain atrophy, white matter hyperintensities and cognition quantify brain maintenance.

Nature communications·2026
Same journal

Proton shuttling at electrochemical interfaces under alkaline hydrogen evolution.

Nature communications·2026
See all related articles
This summary is machine-generated.

Dual-comb spectroscopic ellipsometry (DCSE) offers ultra-high spectral resolution for material optical property analysis. This novel method eliminates polarization modulation, enhancing stability and overcoming conventional limitations in spectroscopic ellipsometry.

Area of Science:

  • Optical Physics
  • Materials Science
  • Spectroscopy

Background:

  • Spectroscopic ellipsometry (SE) is crucial for characterizing material optical and dielectric responses.
  • Conventional SE faces trade-offs between spectral accuracy, resolution, and measurement time.
  • Polarization modulation in SE is hindered by sensitivity to mechanical vibrations, thermal instability, and polarization-wavelength dependency.

Purpose of the Study:

  • To introduce and demonstrate a novel polarization-modulation-free dual-comb spectroscopic ellipsometry (DCSE) system.
  • To overcome the limitations of conventional SE by combining it with dual-comb spectroscopy.
  • To achieve ultra-high spectral resolution and enhanced stability in ellipsometric measurements.

Main Methods:

  • Integration of dual-comb spectroscopy with spectroscopic ellipsometry.

Related Experiment Videos

  • Development of a DCSE system that operates without polarization modulation.
  • Simultaneous acquisition of amplitude ratio and phase difference between s- and p-polarized light signals.

    • Main Results:

    • The developed DCSE system achieved an ultra-high spectral resolution of up to 1.2 × 10-5 nm in the 1514-1595 nm range.
    • Measurements of thin-film samples demonstrated high accuracy (38.4 nm) and precision (3.3 nm).
    • The absence of polarization modulation significantly improved system stability and robustness.

    Conclusions:

    • DCSE offers a breakthrough in spectroscopic ellipsometry, providing superior spectral resolution and accuracy.
    • The polarization-modulation-free design enhances measurement reliability and broadens the applicability of SE.
    • This technique advances the characterization of optical properties for various materials.