Efficient difference frequency oscillator based on a Ti:sapphire laser

The problem of expanding the Ti:sapphire laser wavelength range by generating difference (sum) frequencies is discussed. The authors present a high-efficiency coherent radiation source, based on a Ti:sapphire laser and a nonlinear LiIO/sub 3/ crystal, operating in the spectral range from 0.34 to 2.3...

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Bibliographic Details
Published inIEEE journal of quantum electronics Vol. 27; no. 10; pp. 2234 - 2237
Main Authors Bartoshevich, S.G., Mikhnyuk, I.V., Skripko, G.A., Tarazevich, I.G.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.10.1991
Institute of Electrical and Electronics Engineers
Subjects
426002 - Engineering- Lasers & Masers- (1990-)
ALLOYS
COHERENT RADIATION
CORUNDUM
CRYSTALS
Doped-insulator lasers and other solid state lasers
EFFICIENCY
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ENGINEERING
Exact sciences and technology
FABRICATION
Frequency conversion
Frequency synchronization
Fundamental areas of phenomenology (including applications)
INFRARED RADIATION
Laser excitation
Laser tuning
LASERS
MINERALS
NEAR INFRARED RADIATION
NONLINEAR PROBLEMS
Optical pulses
Optics
OSCILLATORS
OXIDE MINERALS
Physics
Power generation
Pump lasers
RADIATIONS
SAPPHIRE
SOLID STATE LASERS
SYNCHRONIZATION
TIMING PROPERTIES
TITANIUM ADDITIONS
TITANIUM ALLOYS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
Tunable circuits and devices
VISIBLE RADIATION
Titanium
Difference frequency
Oscillator
Sapphire
Non linear optics
Solid state laser
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Summary:The problem of expanding the Ti:sapphire laser wavelength range by generating difference (sum) frequencies is discussed. The authors present a high-efficiency coherent radiation source, based on a Ti:sapphire laser and a nonlinear LiIO/sub 3/ crystal, operating in the spectral range from 0.34 to 2.3 mu m. For this purpose a Ti:sapphire dual-wavelength laser has been developed where the process of self-synchronization of both channels has been realized. A difference frequency oscillator with 2w/sub s/-2w/sub l/ and 2w/sub l/-w/sub s/, including the spectral range from 0.503 to 0.79 and from 0.83 to 2.3 mu m, has been realized. A detailed study of the temporal characteristics of Ti:sapphire lasing is given, the development of methods for mixed pulse overlapping is discussed, and other subjects, such as configuration of widely tunable coherent radiation sources, are addressed.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9197
1558-1713
DOI:10.1109/3.97266