Abstract

An optical fiber bundle array coupling module with high output power is proposed. The device integrates the coupling technique of the high power laser diode array (LDA) and the flat end-surfaces of fiber array. This module can efficiently couple the output laser of the LDA into the 19-fiber array through the flat-end surface. The fibers are ordinally fixed precisely on the V-grooves, and the fiber array has the same arrange period with the semiconductor laser units of LDA. A cylindrical fiber lens is fixed at the front of the LDA, which will greatly reduce the divergence of the laser beam and assure the laser beam to totally pass through into the end surface of fibers. High output power of 33.2 W of the fiber optic coupling of LDA is achieved, and maximal coupling efficiency is 84%.

© 2007 Chinese Optics Letters

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References

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  2. S. Heinemann and L. Leininger, Proc. SPIE 3276, 116 (1998).
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2003

1998

S. Heinemann and L. Leininger, Proc. SPIE 3276, 116 (1998).

F. Daiminger, F. Dorsch, and D. Lorenzen, Proc. SPIE 3682, 13 (1998).

Chin. Opt. Lett.

Proc. SPIE

S. Heinemann and L. Leininger, Proc. SPIE 3276, 116 (1998).

F. Daiminger, F. Dorsch, and D. Lorenzen, Proc. SPIE 3682, 13 (1998).

Other

F. Dorsch and H. Haensel, in 4th International Workshop on Laser Beam and Optics Characterization (LBOC) (1997).

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