Coherent light generators – Particular beam control device – Mode locking
Patent
1994-05-12
1995-07-18
Scott, Jr., Leon
Coherent light generators
Particular beam control device
Mode locking
372 45, 372 11, 372 41, H01S 3098
Patent
active
054348730
ABSTRACT:
A mode-locked solid state laser is disclosed for generating ultrashort optical pulses from solid state material. The laser can comprise a solid state gain medium, at least one mirror connected to the medium and a semiconductor multiple quantum well saturable (MQW) absorber in contact with the mirror, for mode-locking the solid state gain medium. The solid state medium can be composed of but is not limited to Titanium Sapphire, Cr:YAG, Cr:Fosterite, Nd:YAG, Nd:glass, color center lasers, semiconductor diode lasers, optically active fiber lasers, and the like. The absorber can include a structure consisting of 70 Angstrom wells of GaAs and 100 Angstrom barriers of AlGaAs. The generated optical pulses can be used in a wide variety of applications such as diagnostic testing, communications, computers, medicine, automotive applications and the like.
REFERENCES:
patent: 4860296 (1989-08-01), Chemla et al.
Mellish et al, "Self-Starting Femtosecond Ti:Sapphire Laser with Intracavity Multiquantum Well Asborber", Electronics Lett's 30 Mar. 1993, vol. 29 No. 10 pp. 894-895.
Jr. Leon Scott
Steinberger Brian S.
University of Central Florida
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