Abstract

A novel hollow-core tapered coupler has been theoretically designed and fabricated by fiber drawing machine. The coupler's inner wall is coated with a polycrystalline GeO2 film. The coupling loss of hollow-core tapered coupler is about 0.2 dB. Hollow-core tapered coupler reduces the transmission loss of hollow-core optical fiber (HCOF) by 0.5 dB/m, therefore the coupler is suitable for coupling high power CO2 laser in industrial application.

© 2005 Chinese Optics Letters

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References

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  1. Y. Matsuura, H. Hiraga, and Y. Wang, Appl. Opt. 38, 20 (1997).
  2. H. Hiraga, Y. Matsuura, and Y. Wang, Proc. SPIE 2977, 47 (1997).
  3. G. Y. Zhou, Z. Y. Hou, and L. T. Hou, Materials Science and Technology (in Chinese) 9, 52 (2001).

2001 (1)

G. Y. Zhou, Z. Y. Hou, and L. T. Hou, Materials Science and Technology (in Chinese) 9, 52 (2001).

1997 (2)

Y. Matsuura, H. Hiraga, and Y. Wang, Appl. Opt. 38, 20 (1997).

H. Hiraga, Y. Matsuura, and Y. Wang, Proc. SPIE 2977, 47 (1997).

Appl. Opt. (1)

Y. Matsuura, H. Hiraga, and Y. Wang, Appl. Opt. 38, 20 (1997).

Materials Science and Technology (in Chinese) (1)

G. Y. Zhou, Z. Y. Hou, and L. T. Hou, Materials Science and Technology (in Chinese) 9, 52 (2001).

Proc. SPIE (1)

H. Hiraga, Y. Matsuura, and Y. Wang, Proc. SPIE 2977, 47 (1997).

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