Laser oscillator and laser amplifier

Laser pulse multiplier

Laser pulse multiplier

Laser pulse stacking method

Laser pumping of erbium amplifier

Laser pumping of erbium amplifier

Laser system including passively Q-switched laser and...

Laser with two orthogonal zig-zag slab gain media for...

Laser-active optical fiber for a fiber laser or an optical...

Lasing semiconductor optical amplifier with optical signal...

Light amplification apparatus with automatic monitoring and...

Light amplification control unit and method

Light amplification medium control method, light...

Light amplifier

Light amplifier

Light amplifier

Light amplifier

Light amplifier and light amplifying method

Light amplifier and light amplifying method

Light amplifier and light transmission system using the same