Mode locking of travelling wave ring laser by amplitude modulati

Details Mode locking of travelling wave ring laser by amplitude modulati Mode locking of travelling wave ring laser by amplitude modulati

1982-04-29

1984-11-27

Davie, James W.

Coherent light generators

Particular beam control device

Mode locking

356350, 372 12, 372 20, 372 94, H01S 3083

Patent

active

044854730

ABSTRACT:
An amplitude modulator for a tunable ring cavity dye laser is disclosed. The modulator is operated in time synchronization with the laser pump and is located assymetrically within the ring to attenuate dye laser pulses in one direction while passing pulses in the opposite direction, thereby producing a mode locked unidirectional travelling wave. The use of a low dispersion electro-optical modulator in a dye laser yields subpicosecond optical pulses with wide tunability.

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