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Journal of the Optical Society of Korea v.9 no.1, 2005년, pp.1 - 5   피인용횟수: 1

Nano-structuring of Transparent Materials by Femtosecond Laser Pulses

Sohn, Ik-Bu    (Optical Network and Systems Laboratory, Information and Communication University   ); Lee, Man-Seop    (Optical Network and Systems Laboratory, Information and Communication University   ); Chung, Jung-Yong    (Phoco Co. Ltd.   ); Cho, Sung-Hak    (Intelligency&, Precision Machine Dept., KIMM  );
  • 초록

    Using tightly focused femtosecond laser pulses, we produce an optical waveguide and optical devices in transparent materials. This technique has the potential to generate not only channel waveguides, but also three-dimensional optical devices. In this paper, an optical splitter and U-grooves, which are used for fiber alignment, are simultaneously fabricated in a fused silica glass using near-IR femtosecond laser pulses. The fiber aligned optical splitter has a low insertion loss, less than 4㏈, including an intrinsic splitting loss of 3㏈ and excess loss due to the passive alignment of a single-mode fiber. Finally, we demonstrate the utility of the femtosecond laser writing technique by fabricating gratings at the surface and inside the silica glass.


  • 참고문헌 (10)

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    2. K. Kawamura;N. Sarukura;K. Hirao, 'Holographic encoding of fine-pitched micrograting structures in amorphous $Si0^2$ thin films on silicon by a single femtosecond laser pulses,' Appl. Phys. Lett., vol. 78, pp. 1038-1040, 2001 
    3. M. Li, M. Ishizuka, X. Liu, Y. Sugimoto, N. Ikeda, and K. Asakawa, 'Nanostructuring in submicron- level waveguides with femtosecond laser pulses,' Opt. Commun., vol. 212, pp. 159-163, 2002 
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    8. M. Takahashi, T. Ido, and T. Nagara, 'A polymer PLC platform with a fiber-alignment V-groove for a low-cost 10-GbE WDM transmitter,' J. Lightwave Technol., vol. 16, pp. 266-268, 2004 
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    10. D. Grobnic, C. W. Smelser, S. J. Mihilov, R. B. Walker, and P. Lu, 'Fiber Bragg gratings with suppressed cladding modes made in SMF-28 with a femtosecond IR laser and a phase mask,' IEEE Photon. Technol. Lett., vol. 16, pp. 1864-1866, 2004 
  • 이 논문을 인용한 문헌 (1)

    1. 2005. "" Journal of the Optical Society of Korea, 9(3): 92~94     

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