PNPN thyristor

Point emission type light emitting element and concentrating...

Pointer beam for hand-held laser scanner

Polarization based mode-locking of a laser

Polarization control element and solid state laser

Polarization control element and solid-state laser system

Polarization control using diffraction gratings in VCSEL...

Polarization controlled tuneable ring laser

Polarization controlling system for lasers

Polarization dependent out-coupling

Polarization feedback laser stabilization

Polarization independent grating resonator filter

Polarization independent picosecond fiber laser

Polarization insensitive semiconductor optical amplifier and an

Polarization maintaining dispersion controlled fiber laser...

Polarization methods for diode laser excitation of solid...

Polarization mode control of vertical cavity surface...

Polarization mode selection by distributed Bragg reflector in a

Polarization mode switching semiconductor laser apparatus

Polarization selective semiconductor laser, optical transmitter