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

Variable-wavelength light source unit

Variable-wedge rotating-disk beam attenuator for ophthalmic...

VOA device and attenuation method with improved linearity

Voltage controlled attenuator