Schäfter + Kirchhoff GmbH: Fiber Coupling: Single-Mode Fiber-Coupling using the Fiber Coupler 60SMS

Anja K. Knigge

doi:10.1117/12.2596067

5 March 2021 Schäfter + Kirchhoff GmbH: Fiber Coupling: Single-Mode Fiber-Coupling using the Fiber Coupler 60SMS

Anja K. Knigge

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Proceedings Volume 11716, SPIE Exhibition Product Demonstrations; 1171623 (2021) https://doi.org/10.1117/12.2596067
Event: Photonics West Product Demonstrations, 2021, Online Only

Abstract

Long-term stable fiber-coupling requires sub-micron precision and pointing stability. This is especially true when a polarization-maintaining single-mode fiber is to be permanently attached to a free beam laser. Tests of the popular single-mode coupler series 60SMS have shown that it is possible to achieve outstanding long-term stability over a wide temperature range while having a sensitive adjustment procedure. We will give a short overview about the products and technologies at Schäfter+Kirchhoff and then we will present the technical features of the laser beam coupler series 60SMS and show and explain all the degrees of freedom used in the coupler to achieve high coupling efficiencies. We will then show stability measurements that prove the long-term stability. Following an explanation on the different lens types that can be used in the coupler we will explain how accurate measurements of the effective fiber numerical aperture provide the basis for choosing the most appropriate coupling and collimating optics. Afterwards we will introduce the Product Configurator for fiber couplers and collimators on www.sukhamburg.com that makes the process of choosing the most appropriate coupler for an application quick and easy. For more information: www.sukhamburg.com Contact: Schäfter+Kirchhoff Kieler Str. 212 22525 Hamburg, Germany Phone: +49 40 853 997 0

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Anja K. Knigge "Schäfter + Kirchhoff GmbH: Fiber Coupling: Single-Mode Fiber-Coupling using the Fiber Coupler 60SMS", Proc. SPIE 11716, SPIE Exhibition Product Demonstrations, 1171623 (5 March 2021); https://doi.org/10.1117/12.2596067

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