Direct laser writing of refractive index micro-structures in lithium niobate

被引：0

作者：

Mizeikis, Vygantas ^{[1
]}

Purlys, Vytautas ^{[2
]}

Inami, Wataru ^{[1
,3
]}

Kawata, Yoshimasa ^{[4
,5
]}

机构：

[1] Shizuoka Univ, Div Global Res Leaders, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan

[2] Vilnius Univ, Laser Res Ctr, Dept Quantum Elect, LT-10222 Vilnius, Lithuania

[3] Shizuoka Univ, Fac Engn, Div Global Res Leaders, Hamamatsu, Shizuoka 4328561, Japan

[4] Shizuoka Univ, Fac Engn, Hamamatsu, Shizuoka 4328561, Japan

[5] JST, CREST, Saitama 3320012, Japan

来源：

INTER ACADEMIA 2010: GLOBAL RESEARCH AND EDUCATION | 2011年 / 222卷

关键词：

laser microfabrication; direct laser writing technique; lithium niobate; diffraction gratings; reversible recording; STORAGE;

D O I：

10.4028/www.scientific.net/AMR.222.118

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on micro-structuring of iron-doped lithium niobate using femtosecond direct laser writing (DLW) technique. Formation of extended, stable index modulation micro-structures, such as diffraction gratings and linear waveguides is achieved by translation of a focused femtosecond laser beam inside lithium niobate crystals. From diffraction efficiency of the recorded gratings refractive index modulation amplitude of Delta n similar to 10(-3) is estimated. It is demonstrated that the recorded structures can be optically erased and re-written.

引用

页码：118 / +

页数：2

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