Variable Frequency Drives In Practice

Optical Variable Attenuator VOA

A Variable Optical Attenuator (VOA) is a controllable device used to reduce the optical power traveling through a fiber or free-space optical path. Key requirements include minimal effect on the beam profile, low wavelength and polarization dependence, and sufficient power handling capability. Different types of attenuators operate. Variable attenuators are an integral part of most BER testing and EDFA characterization setups. Ideal. We offer the industry's most extensive selection of fiber variable optical attenuators (VOAs), addressing all application scenarios with best-in-class performance and value.