Enhanced self-heterodyne performance using a Nd-doped ceramic YAG laser

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Two-frequency operation in ceramic neodymium-doped yttrium aluminium garnet is demonstrated for 1.064 μm operation with a self-heterodyne beat-frequency tuning range in excess of 1.5 GHz. A 6 dB improvement of the peak-beat strength is seen in the ceramic material over that of similar crystalline Nd:YAG lasers. Experimentally, the ceramic host material is shown to have substantially higher polarization mode coupling constant, C = 0.72 ± 0.05, compared to crystalline Nd:YAG, C = 0.16 ± 0.05. The peak-beat strength is related to mode coupling. In general the Nd:ceramic YAG dual-frequency laser offers superior performance as a photonic-based radio-frequency source over Nd:YAG.

LanguageEnglish
Pages425-430
Number of pages6
JournalOptics Communications
Volume272
Issue number2
DOIs
Publication statusPublished - 15 Apr 2007

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yttrium-aluminum garnet
YAG lasers
ceramics
Crystalline materials
Neodymium
Lasers
Garnets
Yttrium
Ceramic materials
Photonics
coupled modes
synchronism
Tuning
Polarization
Aluminum
beat frequencies
neodymium
radio frequencies
tuning
photonics

Cite this

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title = "Enhanced self-heterodyne performance using a Nd-doped ceramic YAG laser",
abstract = "Two-frequency operation in ceramic neodymium-doped yttrium aluminium garnet is demonstrated for 1.064 μm operation with a self-heterodyne beat-frequency tuning range in excess of 1.5 GHz. A 6 dB improvement of the peak-beat strength is seen in the ceramic material over that of similar crystalline Nd:YAG lasers. Experimentally, the ceramic host material is shown to have substantially higher polarization mode coupling constant, C = 0.72 ± 0.05, compared to crystalline Nd:YAG, C = 0.16 ± 0.05. The peak-beat strength is related to mode coupling. In general the Nd:ceramic YAG dual-frequency laser offers superior performance as a photonic-based radio-frequency source over Nd:YAG.",
author = "A. McKay and P. Dekker and Coutts, {D. W.} and Dawes, {J. M.}",
year = "2007",
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Enhanced self-heterodyne performance using a Nd-doped ceramic YAG laser. / McKay, A.; Dekker, P.; Coutts, D. W.; Dawes, J. M.

In: Optics Communications, Vol. 272, No. 2, 15.04.2007, p. 425-430.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Enhanced self-heterodyne performance using a Nd-doped ceramic YAG laser

AU - McKay, A.

AU - Dekker, P.

AU - Coutts, D. W.

AU - Dawes, J. M.

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AB - Two-frequency operation in ceramic neodymium-doped yttrium aluminium garnet is demonstrated for 1.064 μm operation with a self-heterodyne beat-frequency tuning range in excess of 1.5 GHz. A 6 dB improvement of the peak-beat strength is seen in the ceramic material over that of similar crystalline Nd:YAG lasers. Experimentally, the ceramic host material is shown to have substantially higher polarization mode coupling constant, C = 0.72 ± 0.05, compared to crystalline Nd:YAG, C = 0.16 ± 0.05. The peak-beat strength is related to mode coupling. In general the Nd:ceramic YAG dual-frequency laser offers superior performance as a photonic-based radio-frequency source over Nd:YAG.

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