Broadband monolithic acousto-optic tunable filter
Broadband monolithic acousto-optic tunable filter
Broadband monolithic acousto-optic tunable filters that combine a piezoelectric transducer array and an acousto-optic interaction medium in a single crystal have been investigated. A linearly chirped acoustic superlattice with an optical tuning range of λ = 1.3-1.6 µm was formed by domain inversion in LiNbO3. X-propagating longitudinal acoustic waves are excited in a crossed-field scheme by a rf Ey field applied to the superlattice and couple collinearly propagating e- and o-polarized optical modes. At λ = 1.319 µm and λ = 1.55 µm the spectral bandwidths (FWHM) were 1.54 and 2.3 nm, respectively. A relative conversion efficiency of 43%/W and a maximum conversion efficiency of 51% were measured at 1.319 µm.
305-307
Gnewuch, H.
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Zayer, N.K.
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Pannell, C.N.
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Ross, G.W.
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Smith, P.G.R.
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2000
Gnewuch, H.
bb752678-6981-4d39-adc7-db6efde25d33
Zayer, N.K.
bb14a771-99b2-4a9c-9c87-9cdc05034a1a
Pannell, C.N.
002fadf4-f97e-4732-b171-73ed7563ee18
Ross, G.W.
e881119e-2126-442e-a24d-506dac48a4a4
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Gnewuch, H., Zayer, N.K., Pannell, C.N., Ross, G.W. and Smith, P.G.R.
(2000)
Broadband monolithic acousto-optic tunable filter.
Optics Letters, 25 (5), .
(doi:10.1364/OL.25.000305).
Abstract
Broadband monolithic acousto-optic tunable filters that combine a piezoelectric transducer array and an acousto-optic interaction medium in a single crystal have been investigated. A linearly chirped acoustic superlattice with an optical tuning range of λ = 1.3-1.6 µm was formed by domain inversion in LiNbO3. X-propagating longitudinal acoustic waves are excited in a crossed-field scheme by a rf Ey field applied to the superlattice and couple collinearly propagating e- and o-polarized optical modes. At λ = 1.319 µm and λ = 1.55 µm the spectral bandwidths (FWHM) were 1.54 and 2.3 nm, respectively. A relative conversion efficiency of 43%/W and a maximum conversion efficiency of 51% were measured at 1.319 µm.
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Published date: 2000
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Local EPrints ID: 13649
URI: http://eprints.soton.ac.uk/id/eprint/13649
ISSN: 0146-9592
PURE UUID: a21be280-f9ee-4a58-9750-f4ce9723a42c
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Date deposited: 31 Dec 2004
Last modified: 16 Mar 2024 02:49
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Author:
H. Gnewuch
Author:
N.K. Zayer
Author:
C.N. Pannell
Author:
G.W. Ross
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