fiber coupler, single mode, APC, 2.0mm FL
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A new series of optomechanical positioners for coupling light into and out of fiber optics from Siskiyou Corporation offers a unique combination of ease of use, high precision, and full six-axis adjustment in a compact package. SMFCx series accepts FC/PC, FC/APC or SMA connectorized fibers, and utilize a precision aspheric lens to either focus in a collimated laser beam or collimate fiber output. Near diffraction limited focusing make SMFCx positioners useful with both single mode and multimode fibers.

The miniaturized translation stages and gimbal style mounts used in the SMFCx series deliver accurate, independent, orthogonal adjustment in all three linear dimensions, as well as tip/tilt angular adjustments. The fiber itself can be rotated (the sixth adjustment axis) to control orientation when utilizing polarization preserving fibers. Traditional fiber couplers are notoriously labor-intensive to align. But the superior adjustment orthogonality of the SMFCx, together with the use of 100 threads per inch (TPI) actuators for submicron resolution in all dimensions, delivers the ability to rapidly and reliably achieve optimal fiber coupling efficiency with minimal effort. Locking mechanisms in all adjustments ensure that this alignment is maintained without drift over time, and also don’t cause any mount movement when first engaged.

SMFCx products are a compact system (2.31" x 1.8" x 1.3") which can be mounted directly to an optical table, to a mounting plate, or a laser cavity platform surface. Standard optics are available for laser wavelengths throughout the visible and near infrared. Together, these characteristics the SMFCx ideal for a wide range of laboratory and OEM uses in research, biotechnology, sensors and telecommunications applications.