Variable optical attenuator

Variable optical attenuator and optical filter

Variable optical attenuator and wavelength-multiplexed...

Variable optical attenuator derived from sol-gel material...

Variable optical attenuator device

Variable optical attenuator for optical communications

Variable optical attenuator having a linear response

Variable optical attenuator having a waveguide and an...

Variable optical attenuator having integrated reflective device

Variable optical attenuator of optical path conversion

Variable optical attenuator on an electro-optical layer

Variable optical attenuator with locking mechanism

Variable optical attenuator with MEMS devices

Variable optical attenuator with polarization maintaining fiber

Variable optical attenuator with profiled blade

Variable optical attenuator with thermo-optic control

Variable optical attenuator with tunable wavelength selectivity

Variable optical attenuator with wavelength dependent loss...

Variable optical fiber attenuator device

Variable single-mode attenuators by spatial interference