Operating and control system for lasers useful in bar code scann

Optical amplifier-photodetector assemblage

Optical apparatus and method for beam coupling useful in light b

Optical assembly for creating a synthetic aperture

Optical beam scanner

Optical bistable devices based on bound exciton nonlinearity

Optical communications laser including a resonator filter

Optical control system and method

Optical device enhancement method and apparatus by control of st

Optical external modulation semiconductor element

Optical fiber amplifier/multiplexer

Optical fiber and laser interface device

Optical fiber assembly including means utilizing a column load t

Optical fibre with fluorescent additive

Optical filtering element and a spectral refining device includi

Optical gain control device

Optical head

Optical modulating device utilizing polariton substance

Optical noise reduction circuitry for laser systems

Optical phase locked loop circuit