Characterization off lightpipes for efficiet transfer off light

Richard John Koshel, Anurag Gupta

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Lightpipes are used to transfer light from the source to a desired target. The lightpipe shape typically conforms to the necessary path, thus bending of the lightpipe is required. A number of different methods of bending the lightpipe have been developed, from linear, discontinuous bends to smooth, common circular bends to bends that expand or contract the cross-sectional size of the lightpipe over the path. In this paper we develop a set of parameters to describe the overall shape of an in-plane lightpipe section. These parameters include the thickness, radius of bend, index of refraction, and ratios of sets of these parameters. The transfer efficiency from the source to target is used to quantify the utility of parameterized lightpipes. Étendue is used to highlight the results. More complex lightpipes, such as those with several bends along their path, can be developed from the combination of parameterized sections. Finally, this parameterization can be used to automate the development of lightpipe geometry within optical analysis and design software.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsR. Winston, R.J. Koshel
Pages1-12
Number of pages12
Volume5942
DOIs
StatePublished - 2005
EventNonimaging Optics and Efficient Illumination Systems II - San Diego, CA, United States
Duration: Jul 31 2005Aug 1 2005

Other

OtherNonimaging Optics and Efficient Illumination Systems II
CountryUnited States
CitySan Diego, CA
Period7/31/058/1/05

Fingerprint

Software design
Parameterization
Refraction
Geometry
parameterization
refraction
computer programs
radii
geometry

Keywords

  • Étendue
  • Illumination
  • Light transfer
  • Lightpipe
  • Nonimaging optics
  • Optical design
  • Parameterization

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Koshel, R. J., & Gupta, A. (2005). Characterization off lightpipes for efficiet transfer off light. In R. Winston, & R. J. Koshel (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 5942, pp. 1-12). [594205] https://doi.org/10.1117/12.619894

Characterization off lightpipes for efficiet transfer off light. / Koshel, Richard John; Gupta, Anurag.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / R. Winston; R.J. Koshel. Vol. 5942 2005. p. 1-12 594205.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Koshel, RJ & Gupta, A 2005, Characterization off lightpipes for efficiet transfer off light. in R Winston & RJ Koshel (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 5942, 594205, pp. 1-12, Nonimaging Optics and Efficient Illumination Systems II, San Diego, CA, United States, 7/31/05. https://doi.org/10.1117/12.619894
Koshel RJ, Gupta A. Characterization off lightpipes for efficiet transfer off light. In Winston R, Koshel RJ, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 5942. 2005. p. 1-12. 594205 https://doi.org/10.1117/12.619894
Koshel, Richard John ; Gupta, Anurag. / Characterization off lightpipes for efficiet transfer off light. Proceedings of SPIE - The International Society for Optical Engineering. editor / R. Winston ; R.J. Koshel. Vol. 5942 2005. pp. 1-12
@inproceedings{88e0951d709847e4983c17963ec5e5fe,
title = "Characterization off lightpipes for efficiet transfer off light",
abstract = "Lightpipes are used to transfer light from the source to a desired target. The lightpipe shape typically conforms to the necessary path, thus bending of the lightpipe is required. A number of different methods of bending the lightpipe have been developed, from linear, discontinuous bends to smooth, common circular bends to bends that expand or contract the cross-sectional size of the lightpipe over the path. In this paper we develop a set of parameters to describe the overall shape of an in-plane lightpipe section. These parameters include the thickness, radius of bend, index of refraction, and ratios of sets of these parameters. The transfer efficiency from the source to target is used to quantify the utility of parameterized lightpipes. {\'E}tendue is used to highlight the results. More complex lightpipes, such as those with several bends along their path, can be developed from the combination of parameterized sections. Finally, this parameterization can be used to automate the development of lightpipe geometry within optical analysis and design software.",
keywords = "{\'E}tendue, Illumination, Light transfer, Lightpipe, Nonimaging optics, Optical design, Parameterization",
author = "Koshel, {Richard John} and Anurag Gupta",
year = "2005",
doi = "10.1117/12.619894",
language = "English (US)",
volume = "5942",
pages = "1--12",
editor = "R. Winston and R.J. Koshel",
booktitle = "Proceedings of SPIE - The International Society for Optical Engineering",

}

TY - GEN

T1 - Characterization off lightpipes for efficiet transfer off light

AU - Koshel, Richard John

AU - Gupta, Anurag

PY - 2005

Y1 - 2005

N2 - Lightpipes are used to transfer light from the source to a desired target. The lightpipe shape typically conforms to the necessary path, thus bending of the lightpipe is required. A number of different methods of bending the lightpipe have been developed, from linear, discontinuous bends to smooth, common circular bends to bends that expand or contract the cross-sectional size of the lightpipe over the path. In this paper we develop a set of parameters to describe the overall shape of an in-plane lightpipe section. These parameters include the thickness, radius of bend, index of refraction, and ratios of sets of these parameters. The transfer efficiency from the source to target is used to quantify the utility of parameterized lightpipes. Étendue is used to highlight the results. More complex lightpipes, such as those with several bends along their path, can be developed from the combination of parameterized sections. Finally, this parameterization can be used to automate the development of lightpipe geometry within optical analysis and design software.

AB - Lightpipes are used to transfer light from the source to a desired target. The lightpipe shape typically conforms to the necessary path, thus bending of the lightpipe is required. A number of different methods of bending the lightpipe have been developed, from linear, discontinuous bends to smooth, common circular bends to bends that expand or contract the cross-sectional size of the lightpipe over the path. In this paper we develop a set of parameters to describe the overall shape of an in-plane lightpipe section. These parameters include the thickness, radius of bend, index of refraction, and ratios of sets of these parameters. The transfer efficiency from the source to target is used to quantify the utility of parameterized lightpipes. Étendue is used to highlight the results. More complex lightpipes, such as those with several bends along their path, can be developed from the combination of parameterized sections. Finally, this parameterization can be used to automate the development of lightpipe geometry within optical analysis and design software.

KW - Étendue

KW - Illumination

KW - Light transfer

KW - Lightpipe

KW - Nonimaging optics

KW - Optical design

KW - Parameterization

UR - http://www.scopus.com/inward/record.url?scp=31844448553&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=31844448553&partnerID=8YFLogxK

U2 - 10.1117/12.619894

DO - 10.1117/12.619894

M3 - Conference contribution

AN - SCOPUS:31844448553

VL - 5942

SP - 1

EP - 12

BT - Proceedings of SPIE - The International Society for Optical Engineering

A2 - Winston, R.

A2 - Koshel, R.J.

ER -