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Observation and analysis of mode competiotion in optic parametric oscillators

Mahnke, P. and Klingenberg, H.H. (2004) Observation and analysis of mode competiotion in optic parametric oscillators. Applied Physics B - Lasers and Optics, 78 (2), pp. 171-177.

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We report of an experimental investigation and an analytical description of mode competition in an optical parametric ring oscillator (OPO). A ring cavity was spectrally controlled by injection seeding techniques. Upon injecting the signal wavelength at a power level of 2 mW the relevant idler wave was generated and monitored through a 2 cm long methane absorption cell. Mode competition was observable when two seedlasers operating at almost the same signal wavelengths were injected collinearly into the OPO. Both seedlasers were about 0.5 nm apart, and within the same acceptance bandwidth of the used nonlinear crystal (KTP). Simultaneous injection of the two seedlasers was performed by keeping the resonator dependent gain of one injected wavelength parameterized while the other was tuned. The influence of one seedlaser on the second was measured by using the generated idler waves, and the absorption cell as monitor. We observed three types of operation, mutually dependent on the seedlaser wavelengths, the free running OPO, one seedlaser seeds the OPO and both seedlasers seed the OPO at the same time.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2003,
Title:Observation and analysis of mode competiotion in optic parametric oscillators
AuthorsInstitution or Email of Authors
Klingenberg, H.H.UNSPECIFIED
Journal or Publication Title:Applied Physics B - Lasers and Optics
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 171-177
Keywords:Optical parametric oscillator, nonlinear optics
HGF - Research field:Energy
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Energy
DLR - Program:L - no assignement
DLR - Research theme (Project):L - Laser Research and Technology
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Dr.rer.nat. Hans-Albert Eckel
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 14:49

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