Variable optic attenuator for coupling optic fibers

Variable optical attenuator

Variable optical attenuator

Variable optical attenuator comprising hollow core waveguide

Variable optical attenuator or the like

Variable optical attenuator using waveguide modification

Variable optical attenuator with thermo-optic control

Variable optical fiber delay line

Variable optical filter

Variable optical filter unit and variable gain equalizing...

Variable optical source

Variable period amplitude grating mask and method for use

Variable pitch structured optical film

Variable polarization independent optical power splitter

Variable power lens

Variable power lens system

Variable power optical system

Variable power optical system

Variable power telescope reticle

Variable power type telescopic gun sight