Erbium and Erbium/Ytterbium cladding pumped hybrid optical...

Erbium and ytterbium co-doped phosphate glass optical fiber...

Erbium doped crystal amplifier

Erbium doped fiber amplifier for reducing transient...

Erbium doped fiber amplifier suitable for long wavelength...

Erbium doped fibers for extended L-band amplification

Erbium doped optical fiber amplifier for automatically tracing a

Erbium-doped fiber amplifier and an optical fiber communication

Erbium-doped fiber amplifier and integrated module components

Erbium-doped fiber amplifier and integrated module components

Erbium-doped fiber amplifier with automatic gain control

Erbium-doped fiber amplifier with automatic gain control

Erbium-doped fiber amplifiers with desired gain-bandwidth charac

Erbium-doped fiber optical amplifier

Erbium-doped fibre amplifier with shaped spectral gain

Erbium-doped optical fiber amplifier using input optical...

Erbium-doped optical fiber having gratings formed therein...

Erect image finder

Erect image resin lens array and the manufacture thereof

Erect life-size lens array