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 ■定比LiTaO3
波長変換素子、光変調器、光スイッチ、
波長選択素子、ホログラムメモリなど各種用途
マイクロドメイン制御、その他応用

 オキサイド製SLTの主な特長
 ・低い欠陥密度(従来比100分の1以下)
 ・広い透過波長領域(基礎吸収端が〜20nmシフト)
 ・高い非線形光学定数(d33 >26.2pm/V
 ・低い分極反転電圧(1〜2kVで分極反転可能)
 ・高いPhotorefractiveダメージ閾値
  (>5MW/cu@532nm, cw laser)  
 ・高いレーザーダメージ閾値
  (>2GW/cu@1064nm, pulse laser
 ・複屈折率が殆どなし
 ・GRIIRA(Green Induced IR Absorption)が全くなし
 ・LiTaO3では初めて光学用として無粒界結晶育成に
  成功しました
 ・その他 紫外光域で高いフォトラクティブ効果を発現する
  結晶育成も可能
slt-zX線トポ写真
サブグレインフリーSLT-Z
カットウエハのX線トポ写真

 ■御見積りはこちらまで
sales@opt-oxide.com
 
 関連製品
 PPLN (PPMgLN)
 定比LiNbO3
 PPMgSLT

 QPMモジュール
 ■技術情報〜論文リスト
 Collaboration Groupからの論文抜粋(2000年以降)
(2006)
Y.LIU,S.KURIMURA,M.NAKAMURA,S.TAKEKAWA and K.KITAMURA "Effective Aperture in Periodically Poled Mg-Dop ed Stoichiometric LiTaO3 for Quasi-Phase-Matched Optical Parametric Oscillation", Jpn. J. Appl. Phys., 45(2006)4064
S.Y.Tu, Z.D.Gao, Z.N.Zhu, A.H.Kung, S.Kurimura and K.Kitamura, “A room temperature pulsed visible OPO with 1 watt output based on periodically-poled MgO doped stoichiometric LiTaO3”, in CLEO/QELS 2006, CML1 (2006)
S.Kurimura, S.V.Tovstonog, R.Wtanabe and K.Kitamura, “Periodically poled stoichiometric lithium tantalite for pure blue light generation”, in CLEO/QELS 2006, CML3 (2006)
Y.Liu, S.Kurimura, M.Nakamura, S.Takekawa and K.Kitamura, “Dependence of puasi-phase-matched optical-parametric-oscillator’s performance on pump intensity in periodically poled Mg-doped stoichiometric LiTaO3”, in CLEO/QELS 2006, CML7 (2006)
X.Li, K.Terabe, H.Hatano and K.Kitamura, “Domain Engineering in LiTaO3 by Focused Charge Beam: from Micro to Nano scale”, in CLEO/QELS 2006, JThD50 (2006)
C.J.Yoon, W.B.Cho, F.Rotermund, H.Lim, S.Kurimura and K.Kitamura, “1-kHz Cr:Forsterite Optical Parametric Chirped Pulse Amplifier with Periodically Poled Stoichiometric LiTaO3”, in CLEO/QELS 2006, JThC43 (2006)

(2005)
M.Loyo-Menoyo, DJ.Keeble, Y.Furukawa, K.Kitamura, “Electron paramagnetic resonance of Cr3+ in near-stoichiometric LiTaO3”; J. Appl. Phys.,97 (2005) 123905

(2004)
N.E.Yu, S.Kurimura, Y.Nomura and K.Kitamura, "Stable High-Power Green Light Generation with Thermally Conductive Periodically Poled Stoichiometoric Lithium Tantalate”, Jpn.J.Appl.Phys., 43 (2004) L1265
N.E.Yu, S.Kurimura, Y.Nomura, M.Nakamura and K.Kitamura, "Periodically poled near-stoichiometoric lithium tantalate for optical parametric oscillation”, Appl.Phys Lett., 84 (2004) 1662
P. Dittrich,B. Koziarsha-Glinka, G.Montemezzani, P.Guenther, S.Takekawa, K.Kitamura and Y.Furukawa, ”Deep-ultraviolet interband photorefraction in lithium tantalite”, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS” 21 (2004) 632
Y.Liu, K.Kitamura, S.Takekawa, M.Nakamura, Y.Furukawa and H.Hatano, “Two-color photorefractive properties in near-stoichiometric lithium tantalate crystals”, J. Appl. Phys., 95 (2004) 7637
Y.Liu, K.Kitamura, S.Takekawa, G.Rave, M.Nakamura, Y.Furukawa and H.Hatano; ”Comparison of two-color hologram lifetimes of near-stoichiometric lithium niobate and of tantalate crystals” APPLIED OPTICS, 43 (2004) 5778

(2003)
Y.Liu, K.Kitamura, S.Takekawa, M.Nakamura and Y.Furukawa;”Nonvolatile two-color holographic recording in nondoped near-stoichiometric lithium tantalite crystals with continuous-wave lasers”, Appl.Phys.Lett., 82 (2003) 4218
Y.Cho, K.Fujimoto, Y.Hiranaga, Y.Wagatsuma, A.Onoe, K.Terabe and K.Kitamura; “Terabit inch-2 ferroelectric data storage using scanning nonlinear dielectric microscopy nanodomain engineering system”, Nanotechnology, 14 (2003) 637
A. Bruner, D. Eger, M.B. Oron, P. Blau and M. Katz; “Temperature dependent sellmeier equation for the refractive index of stoichiometric lithium tantalite”, Opt. Lett.28 (2003) 194

(2002)
M.Nakamura, S.Takekawa, Y.Furukawa and K.Kitamura, “Influence of powder supply on radio-frequency power stability and compositional uniformity in near-stoichiometric LiTaO3 crystal grown by double-crucible Czochralski method”, J. Cryst. Growth 245 (2002) 267
M.Nakamura, S.Takekawa, K.Terabe, K.Kitamura, T.Usami, K.Nakamura, H.Ito and Y.Furukawa; “Near-stoichiometric LiTaO3 for bulk quasi-phase-matched devices”, Ferroelectircs, 273 (2002) 199
M.Nakamura, S.Higuchi, S.Takekawa, K.Terabe, Y.Furukawa and K.Kitamura; “Refractive indices in undoped and MgO-doped near-stoichiometric LiTaO3 crystals”, Jpn.J.Appl.Phys., 41 (2002) L465

(2001)
I.G. Kim, S. Takekawa, Y. Furukawa, M. Lee, and K. Kitamura,”Growth of Li(x)Ta(1-x)O(3) single crystals and their optical properties”, J. Crystal Growth 229 (2001) 243
K.Kitamura, Y.Furukawa, S.Takekawa, T.Hatanaka, H.Ito, and V.Gopalan; “Non-Stoichiometric control of LiNbO3 and LiTaO3 in ferroelectric domain engineering for optical device”, Ferroelectrics, 257 (2001) 235
V.Y.Shur, E.V.Nikolaeva, E.I.Shishkin, V.L.Kozhev-nikov, A.P.Chernykh, K.Terabe and K.Kitamura; “Polarization Reversal in Congruent and Stoichio-metric Lithium Tantalate”, Appl.Phys.Lett., 79 (2001) 3146

(2000)
T.Hatanaka, K.Nakamura, T.Taniuchi, H.Ito, Y.Furukawa and K.Kitamura; “Quasi-phase matched optical parametric oscillation with periodically poled stoichiometric LiTaO3”, Opt. Lett., 25 (2000) 651
V.Gopalan, N.Sanford, J.A.Aust, K.Kitamura and Y.Furukawa; " Recent Advances in the Crystal Growth Characterizationm and Domain studies in Lithium Niobate and Lithium Tantalate Ferro-electrics" in “Handbook of advanced electronic and photonic Materials” ed. by Hari Singh Nalwa, Academic Press (Oct. 2000) 57

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