No-loss bent light pipe with an equiangular spiral

Shu Chun Chu, Jyh Long Chern

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Bending a light pipe and maintaining the required volume and size, while at the same time preserving source energy and minimizing bend losses, is the basic criterion for designing a light pipe. An important requirement is the design of a light pipe that is capable of being bent without loss of light and with no limitations on acceptance angle. It is shown that in theory such a light pipe does exist, in a form corresponding to the so-called golden rectangle. Numerical simulations with six different no-loss light pipes with multiple bends are provided as a demonstration.

Original languageEnglish
Pages (from-to)3006-3008
Number of pages3
JournalOptics Letters
Issue number22
Publication statusPublished - 2005 Nov 15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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