Sawtooth interleave polarization combiner

Scanning drum inner face and method of scanning therefor

Security element and process for producing the same

Shaped plastic lenses and method for making the same

Single crystal polarizing prism and method of manufacturing...

Single crystal two-beam polarizing prism without angular...

Single-pass folded interleaver/deinterleavers

Small-spot spectrometry instrument with reduced polarization...

Solid state image pick-up apparatus

Split screen discrete viewing method

Strain-stabilized birefringent crystal

Structures and methods for reducing aberration in optical...

Structures and methods for reducing aberration in optical...

Structures and methods for reducing polarization aberration...

Switchable polymer-dispersed liquid crystal optical elements

System, apparatus and method for high efficiency low leakage...