Theoretical analysis of multiplexed volume holograms for spectral beam combining

G. B. Ingersoll; J. R. Leger

doi:10.1117/12.809524

Theoretical analysis of multiplexed volume holograms for spectral beam combining

G. B. Ingersoll, J. R. Leger

Electrical and Computer Engineering

Research output: Contribution to journal › Conference article › peer-review

3 Scopus citations

Abstract

Volume holographic elements can potentially combine many spectrally distinct laser beams using multiplexed Bragg gratings. However, there are theoretical limits imposed by the interactions between these gratings. A method of numerical simulation has been developed to analyze the interactions between many hundreds of multiplexed gratings in a single volume holographic element. We apply this tool to the problem of spectral beam combining of incoherent laser sources. Various system parameters limit the number of beams that can be combined under maximum bandwidth and minimum efficiency constraints. System designs are shown that combine 180-350 lasers ranging over a 60nm bandwidth with theoretical efficiencies in excess of 99%.

Original language	English (US)
Article number	71951P
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	7195
DOIs	https://doi.org/10.1117/12.809524
State	Published - 2009
Event	Fiber Lasers VI: Technology, Systems, and Applications - San Jose, CA, United States Duration: Jan 26 2009 → Jan 29 2009

Keywords

Coupled modes
Incoherent beam combining
Laser beam combining
Spectral beam combining
Volume Bragg gratings
Volume holography

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10.1117/12.809524

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title = "Theoretical analysis of multiplexed volume holograms for spectral beam combining",

abstract = "Volume holographic elements can potentially combine many spectrally distinct laser beams using multiplexed Bragg gratings. However, there are theoretical limits imposed by the interactions between these gratings. A method of numerical simulation has been developed to analyze the interactions between many hundreds of multiplexed gratings in a single volume holographic element. We apply this tool to the problem of spectral beam combining of incoherent laser sources. Various system parameters limit the number of beams that can be combined under maximum bandwidth and minimum efficiency constraints. System designs are shown that combine 180-350 lasers ranging over a 60nm bandwidth with theoretical efficiencies in excess of 99%.",

keywords = "Coupled modes, Incoherent beam combining, Laser beam combining, Spectral beam combining, Volume Bragg gratings, Volume holography",

author = "Ingersoll, {G. B.} and Leger, {J. R.}",

year = "2009",

doi = "10.1117/12.809524",

language = "English (US)",

volume = "7195",

journal = "Proceedings of SPIE - The International Society for Optical Engineering",

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note = "Fiber Lasers VI: Technology, Systems, and Applications ; Conference date: 26-01-2009 Through 29-01-2009",

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TY - JOUR

T1 - Theoretical analysis of multiplexed volume holograms for spectral beam combining

AU - Ingersoll, G. B.

AU - Leger, J. R.

PY - 2009

Y1 - 2009

N2 - Volume holographic elements can potentially combine many spectrally distinct laser beams using multiplexed Bragg gratings. However, there are theoretical limits imposed by the interactions between these gratings. A method of numerical simulation has been developed to analyze the interactions between many hundreds of multiplexed gratings in a single volume holographic element. We apply this tool to the problem of spectral beam combining of incoherent laser sources. Various system parameters limit the number of beams that can be combined under maximum bandwidth and minimum efficiency constraints. System designs are shown that combine 180-350 lasers ranging over a 60nm bandwidth with theoretical efficiencies in excess of 99%.

AB - Volume holographic elements can potentially combine many spectrally distinct laser beams using multiplexed Bragg gratings. However, there are theoretical limits imposed by the interactions between these gratings. A method of numerical simulation has been developed to analyze the interactions between many hundreds of multiplexed gratings in a single volume holographic element. We apply this tool to the problem of spectral beam combining of incoherent laser sources. Various system parameters limit the number of beams that can be combined under maximum bandwidth and minimum efficiency constraints. System designs are shown that combine 180-350 lasers ranging over a 60nm bandwidth with theoretical efficiencies in excess of 99%.

KW - Coupled modes

KW - Incoherent beam combining

KW - Laser beam combining

KW - Spectral beam combining

KW - Volume Bragg gratings

KW - Volume holography

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DO - 10.1117/12.809524

M3 - Conference article

AN - SCOPUS:65649114335

SN - 0277-786X

VL - 7195

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

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

M1 - 71951P

T2 - Fiber Lasers VI: Technology, Systems, and Applications

Y2 - 26 January 2009 through 29 January 2009

ER -

Theoretical analysis of multiplexed volume holograms for spectral beam combining

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