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

Direct neural prediction of freeform illumination optics.

Optics letters·2026
Same author

Spectral reflectance imaging with dual-illumination and RGB camera via regularized end-to-end learning.

Optics express·2025
Same author

Selecting monitor and wall luminance levels in office settings: An adaptive experimental study.

Applied ergonomics·2025
Same author

Experimental Kerr constant determination for pure blue phase liquid crystal: oblique incidence in a reflective vertical field switching cell.

Optics express·2025
Same author

Freeform surface topology prediction for prescribed illumination via semi-supervised learning.

Optics express·2024
Same author

Controlling the target pattern of projected LED arrays for smart lighting.

Optics express·2023

Related Experiment Video

Updated: Oct 2, 2025

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

9.9K

Efficient transmissive remote phosphor configuration for a laser-driven high-luminance white light source.

Nick Rondelez, António Correia, Wouter Ryckaert

    Optics Express
    |February 25, 2022
    PubMed
    Summary

    A sapphire half-ball lens enhances transmissive laser-driven white light sources. This improves efficiency and heat dissipation, boosting light output and luminance for advanced lighting applications.

    More Related Videos

    Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
    05:51

    Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

    Published on: November 15, 2016

    8.2K
    Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts
    10:33

    Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts

    Published on: March 8, 2017

    8.4K

    Related Experiment Videos

    Last Updated: Oct 2, 2025

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.9K
    Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
    05:51

    Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

    Published on: November 15, 2016

    8.2K
    Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts
    10:33

    Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts

    Published on: March 8, 2017

    8.4K

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Laser-driven white light sources are crucial for high-luminance applications.
    • Reflective configurations often present complex optical design challenges.

    Purpose of the Study:

    • To investigate the efficacy of a transmissive configuration for laser-driven white light sources.
    • To demonstrate the performance enhancement using a sapphire half-ball lens.

    Main Methods:

    • Utilized a transmissive optical setup incorporating a sapphire half-ball lens.
    • Conducted detailed experimental measurements of light output and luminance.
    • Performed opto-thermal simulations to analyze heat dissipation and performance limits.

    Main Results:

    • The sapphire half-ball lens significantly improved the efficiency of the transmissive configuration.
    • Experimental results showed a light output of 6550 lm and luminance of 67 MCd/m².
    • Simulations predicted a potential light output exceeding 20000 lm and luminance of 209 MCd/m².
    • Enhanced heat dissipation from the single-crystal phosphor converter was observed.

    Conclusions:

    • A transmissive configuration with a sapphire half-ball lens offers a viable and efficient approach for high-luminance white light sources.
    • The sapphire lens improves optical efficiency and thermal management, enabling higher light output and luminance.
    • This design overcomes the optical design challenges associated with reflective configurations.