This list is updated on a regular basis to add or remove products / manufacturers as agreed by DES Product Registration Committee. Attenuators from VIAVI offer a complete range of power-balancing options, from fixed to variable optical attenuators in field, lab, and manufacturing environments. Here are the top-ranked attenuator companies as of May, 2026: 1. Unlike simple beam blockers or shutters, attenuators are intended to maintain the temporal waveform and usually the mode. Attenuators control the optical power in a fiber. It is a manually operated detachable type for APC polishing.
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