On proximity detection systems for pico-projectors
Edward Buckley
TL;DR
This paper evaluates the effectiveness of proximity detection systems in enhancing eye safety for laser-based pico-projectors, finding significant benefits for LCOS-based systems but limited impact on scanned-beam projectors.
Contribution
It provides a comparative analysis of proximity detection benefits for different pico-projector technologies, highlighting where they are most effective.
Findings
Proximity detection systems can significantly improve eye safety for LCOS-based pico-projectors.
The impact of proximity detection on scanned-beam projectors is minimal.
The study guides future development of safer laser pico-projectors.
Abstract
It has been suggested that proximity detection systems could potentially be beneficial in increasing the eye-safe luminous flux of laser-based picoprojectors. In this letter it is shown that, whilst the benefit for LCOS-based systems could be significant, the impact upon scanned-beam projectors is far smaller.
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