Laser wavelength stabilization

Laser with phase controlling region and method for driving...

Laser with stabilized external passive cavity

Laser-based light source

Laser-diode-pumped solid-state laser apparatus and status...

LED brightness control system for a wide-range of luminance...

Light emitting device drive circuit

Light generating device

Light pulse generator

Light quantity control device

Light quantity control device

Light referencing method

Light source

Light source apparatus and its control method

Light source device, control method therefor, lighting...

Light source driving apparatus and system utilizing the same

Light source monitor with compensated tracking ratio

Light transmitter and automatic power control circuit thereof

Light-frequency control apparatus

Lightwave communication system having sources independently sync