Femtosecond-laser-encoded distributed-feedback color center laser in lithium fluoride single crystals | Zendy

Kenichi Kawamura | Zendy; Masahiro Hirano | Zendy; Toshio Kurobori | Zendy; Daizyu Takamizu | Zendy; Toshio Kamiya | Zendy; Hideo Hosono | Zendy

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Femtosecond-laser-encoded distributed-feedback color center laser in lithium fluoride single crystals

Author(s) -

Kenichi Kawamura,

Masahiro Hirano,

Toshio Kurobori,

Daizyu Takamizu,

Toshio Kamiya,

Hideo Hosono

Publication year - 2004

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1640784

Subject(s) - lithium fluoride , laser , materials science , femtosecond , optics , optoelectronics , sapphire , distributed feedback laser , refractive index , wavelength , lithium niobate , x ray laser , laser power scaling , chemistry , inorganic chemistry , physics

A distributed-feedback (DFB) color-center laser was fabricated by the holographic encoding method using an infrared femtosecond (fs) laser. Laser active color centers, waveguide structures and permanent gratings were written deep in lithium fluoride (LiF) crystals. It was shown that a refractive index change estimated from a guide propagation method was approximately +1% at a wavelength of 633 nm. The results show that the fabricated DFB laser structure oscillates at room temperature

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