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Proceedings Paper

Spot-size transformations for laser-fiber integration
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Paper Abstract

In this paper several approaches to expand the field profile of a laser beam are studied. The power coupling efficiency and fiber coupling loss are discussed in detail. To achieve this, the rigorous vector finite element method is used to calculate the modal propagation properties and the least squares boundary residual method is employed to calculate the coupling loss, the reflection coefficient and the alignment tolerances of these devices.

Paper Details

Date Published: 12 January 1998
PDF: 11 pages
Proc. SPIE 3278, Integrated Optic Devices II, (12 January 1998); doi: 10.1117/12.298200
Show Author Affiliations
B. M. Azizur Rahman, City Univ. (United Kingdom)
Muttukrishnan Rajarajan, City Univ. (United Kingdom)
Tiparatana Wongcharoen, City Univ. (Thailand)
Kenneth T. V. Grattan, City Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 3278:
Integrated Optic Devices II
Giancarlo C. Righini; S. Iraj Najafi; Bahram Jalali, Editor(s)

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