Biocular eyepiece optical system employing refractive and diffra
Biocular viewing system with intermediate image planes for an el
Biological specimen holder for microscopic examination
Bioptic lens cover and protector
Bioptic telescope system embedded into a spectacle lens
Bioptic telescope system for use with bifocal spectacle
Biphenyl derivatives for photostabilization in pulsed optical da
Bipolar junction transistor combined with an optical modulator
Bipolar operation of light-modulating array
Bipolar reset for spatial light modulators
Bird resistant lens
Bireflective lens element
Birefringence minimizing fluoride crystal optical VUV...
Birefringence optical element and manufacturing method thereof
Birefringence-compensated alignment-insensitive frequency double
Birefringence-compensated liquid crystal display and...
Birefringent compensator for reflective polarizers
Birefringent devices
Birefringent film with n.sub.x >n.sub.z >n.sub.y, process
Birefringent filter design