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High volume UV LED performance testing.

Benjamin C Letson1, Simon Barke2, Samantha Parry Kenyon1

  • 1Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, Florida 32611, USA.

The Review of Scientific Instruments
|December 3, 2022
PubMed
Summary
This summary is machine-generated.

Deep ultraviolet Light-Emitting Diodes (LEDs) are crucial for various applications. This study details a new system for high-volume UV LED testing, crucial for space missions like LISA.

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Area of Science:

  • Optoelectronics
  • Solid-state lighting
  • Deep ultraviolet (DUV) applications

Background:

  • Deep UV LEDs are vital for water purification, sterilization, and advanced scientific instruments.
  • The Laser Interferometer Space Antenna (LISA) mission requires reliable UV LED performance data.
  • Assessing UV LED performance across temperatures and environments is essential for mission success.

Purpose of the Study:

  • To develop and present a high-throughput hardware system for testing commercial UV LEDs.
  • To evaluate the performance of over 200 UV LEDs in the 250 nm range.
  • To provide critical data for the selection of UV LEDs for the LISA mission.

Main Methods:

  • Design and implementation of a novel high-volume UV LED testing apparatus.
  • Performance characterization of UV LEDs under varying temperatures.
  • Testing conducted in both air and vacuum environments.

Main Results:

  • Successful testing of over 200 deep UV LEDs with wavelengths around 250 nm.
  • Demonstration of the system's capability to handle high-volume testing.
  • Acquisition of performance data across different environmental conditions.

Conclusions:

  • The developed system effectively supports high-volume UV LED performance testing.
  • The collected data will aid in selecting appropriate UV LEDs for demanding applications like LISA.
  • This research contributes to the advancement of deep UV LED technology and its applications.