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Mini Coupler
Specs

963/963P Free Space Variable Optical Path Control

Collimators are application specific, using aspherics or compound multi-element lenses dependent on wavefront specification and beam diameter. Inputs are from FC type flat or angled connectors. Fine focus control allows spot size adjustment with respect to wavelength and projection distance.

Free space optical path control is by retro-reflection from a "cats eye" lens/mirror assembly that also has fine control for wavelength adjustment. These units are also application specific and are made in a variety of performance grades.