Optical pickup apparatus restricting aberration and optical...

Optical pickup, optical information recording/reproducing...

Optical scanning apparatus

Optical scanning device and optical apparatus for reading and/or

Optical scanning lens, optical scanning and imaging system and o

Optical switch using tilt mirrors

Optical system and corresponding optical element

Optical system for collimating elliptical light beam and...

Optical system for collimating elliptical light beam and...

Optical transformer for small light sources

Optical transmission device and light-receiving module

Reflective laser collimator

Ring-lens system for efficient beam formation

Screen illumination apparatus and method

Signaling device for traffic signals

Single aspherical lens for de-astigmatism, collimation, and...

System for collimating backlight

Uniform multiple light source etendue

Variable dispersion compensator and method of controlling...