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

Corrigendum to 'Metal content of settled railway dust: factors affecting iron (Fe) content of dust in railway stations in England and implications for human health exposure assessments' [Environ. Pollut. 406 (2026) 128643].

Environmental pollution (Barking, Essex : 1987)·2026
Same author

Metal content of settled railway dust: factors affecting iron (Fe) content of dust in railway stations in England and implications for human health exposure assessments.

Environmental pollution (Barking, Essex : 1987)·2026
Same author

Sleep disordered breathing and myelomeningocele in the era of prenatal repair: A systematic review towards evidence-informed care.

Sleep medicine·2026
Same author

The Effect of Mild Traumatic Brain Injury on the Hypothalamic-Pituitary-Ovarian Axis: A Narrative Review.

Journal of neurotrauma·2026
Same author

Modified crossed Dragone optical design of the LiteBIRD low-frequency telescope.

Applied optics·2025
Same author

A whole-brain voxel-based analysis of structural abnormalities in PTSD: An ENIGMA-PGC study.

European psychiatry : the journal of the Association of European Psychiatrists·2025

Related Experiment Video

Updated: May 3, 2026

Author Spotlight: Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon
07:22

Author Spotlight: Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

7.5K

Epoxy-based broadband antireflection coating for millimeter-wave optics.

Darin Rosen, Aritoki Suzuki, Brian Keating

    Applied Optics
    |February 12, 2014
    PubMed
    Summary

    We created new epoxy antireflection coatings for millimeter-wave astrophysics. These coatings significantly reduce reflection across broad bandwidths for cryogenic optics, enabling better experimental data.

    More Related Videos

    Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy
    15:04

    Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

    Published on: May 18, 2011

    12.6K
    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
    10:17

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

    Published on: July 12, 2017

    12.4K

    Related Experiment Videos

    Last Updated: May 3, 2026

    Author Spotlight: Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon
    07:22

    Author Spotlight: Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

    Published on: February 3, 2023

    7.5K
    Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy
    15:04

    Rejection of Fluorescence Background in Resonance and Spontaneous Raman Microspectroscopy

    Published on: May 18, 2011

    12.6K
    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
    10:17

    20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

    Published on: July 12, 2017

    12.4K

    Area of Science:

    • Materials Science
    • Astrophysics
    • Optical Engineering

    Background:

    • Millimeter-wave astrophysics experiments require specialized optics for sensitive measurements.
    • Cryogenic optics demand broadband antireflection coatings to minimize signal loss and maximize throughput.
    • Existing coatings often struggle to achieve low reflection over wide bandwidths at cryogenic temperatures.

    Purpose of the Study:

    • To develop and characterize novel epoxy-based broadband antireflection coatings.
    • To enable high-performance cryogenic optics for millimeter-wave astrophysics applications.
    • To achieve low reflection and minimal absorption loss over a wide operational bandwidth.

    Main Methods:

    • Fabrication of multi-layer antireflection coatings using epoxy-based materials with stepped dielectric constants.
    • Tuning dielectric constants of epoxies between 2.06 and 7.44 through epoxy mixing and strontium titanate doping.
    • Characterization of reflection suppression and absorption loss at cryogenic temperatures (140 K).

    Main Results:

    • Achieved reflection suppressed to 10% over fractional bandwidths of 92% (two-layer) and 104% (three-layer) on an alumina disk.
    • Demonstrated low band-integrated absorption loss: <1% for the two-layer coating and <10% for the three-layer coating at 140 K.
    • Successfully tuned epoxy dielectric constants for optimized coating performance.

    Conclusions:

    • Epoxy-based broadband antireflection coatings are effective for millimeter-wave astrophysics experiments.
    • Multi-layer designs with stepped dielectric constants provide wide bandwidth performance at cryogenic temperatures.
    • The developed coatings offer a promising solution for enhancing the sensitivity and capabilities of astrophysical instruments.