Bi-index rod lens
Bi-stable micro switch
Bi-stable micro-actuator and optical switch
Biconic optical fiber connecting device having attenuator
Bidirectional coupler for three optical waveguides
Bidirectional guided mode optical film-fiber coupler
Bidirectional module for multichannel use
Bidirectional optical fiber coupler
Bifocal contact lens
Bimodal autofocusing apparatus
Bimorph mirror provided with two piezoelectric layers...
Bimorph optical element
Binary diffractive optical element scanner
Binocular and spectacle-type mounting assembly therefor
Binocular body for microscope permitting variation of...
Binocular display with improved contrast uniformity
Binocular field glasses
Binocular focusing mechanism
Binocular head mounted display system
Binocular head mounted display system