A repetition rate of 2.3 GHz is achieved in a femtosecond Ti:sapphire laser. Pulses of 240 fs duration centred on 840 nm are produced from a simple 4-mirror laser cavity that incorporates a saturable Bragg reflector and operates at pump powers as low as 400 mW.
Low-threshold, multi-gigahertz repetition-rate femtosecond Ti:sapphire laser
2003-12-11
3 pages
Aufsatz (Zeitschrift)
Englisch
semiconductor mirror based mode-locking , multi-gigahertz repetition-rate laser , Al<E7>2</E7>O<E7>3</E7>:Ti , laser cavity resonators , 240 fs , self-starting miniature laser , mirrors , titanium , femtosecond Ti:sapphire laser , 840 nm , optical saturable absorption , 4-mirror laser cavity , 400 mW , solid lasers , negative dispersion , optical pulse generation , low-threshold , saturable Bragg reflector
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