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Related Experiment Video

Updated: Jun 17, 2026

Balloon Tag Manufacturing Technique for Sensor Fish and Live Fish Recovery
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Published on: October 13, 2023

Improvements to a balloon-borne sun-seeker.

A K Laflamme1, L Paquet

  • 1Canadian Armament Research and Development Establishment, Valcartier, Quebec, Canada.

Applied Optics
|January 9, 2010
PubMed
Summary

This study details upgrades to a balloon-borne sun-seeker, enhancing its pointing accuracy and reducing power consumption through advanced electronics and sensor placement for improved solar observation.

Area of Science:

  • Astronomy
  • Aerospace Engineering
  • Instrumentation

Background:

  • Commercial balloon-borne sun-seekers are crucial for solar observation.
  • Previous designs faced limitations in power efficiency and pointing accuracy.

Purpose of the Study:

  • To enhance the performance of a balloon-borne sun-seeker.
  • To improve pointing accuracy and reduce power consumption.

Main Methods:

  • Implemented transistorized circuits and solid-state switches to reduce power usage.
  • Relocated silicon fine-pointing sensors near the spectrometer entrance slit to correct optical misalignment.
  • Utilized operational amplifiers for weighted error signal summation.
  • Incorporated radio command control for servo system gain adjustment.

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Main Results:

  • Significantly reduced power consumption compared to previous tube-based systems.
  • Eliminated optical misalignment effects through strategic sensor placement.
  • Achieved precise pointing control using operational amplifiers and a controllable servo system.

Conclusions:

  • The upgraded sun-seeker offers improved efficiency and accuracy for solar observation missions.
  • The modifications represent a significant advancement in autonomous solar tracking instrumentation.