Raised zone retroreflective cube corner article and method...

Random refractive index modulated optical fibers

Range finder

Range finder

Range-finding telescopic sight

Ranging system including apparatus for forming directional...

Rapid confocal microscopy to support surgical procedures

Rapidly tunable integrated laser

Rare earth element-doped multiple-core optical fiber and...

Rare earth element-doped multiple-core optical fiber and...

Rare earth element-doped optical waveguide and process for...

Rare-earth-doped lithium niobate waveguide structures

Ray tracing in discontinuous multimode channel waveguides

Re-enterable splicer for ribbon fiber

Real image projection device

Real image projection device having plastic curved mirror...

Real time stereo imaging

Rear view mirror apparatus having roll-type filter means for...

Rear view mirror for vehicles

Rear view mirror with reflective coating on flexible strip...