Wavelength swept Ti:sapphire laser |
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| Authors: | Vitali M. Kodach Dirk J. Faber Ton G. van Leeuwen |
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| Affiliation: | aLaser Center, Academic Medical Center, University of Amsterdam, P.O. Box 22700, 1100 DE Amsterdam, The Netherlands;bOphthalmology Department, Academic Medical Center, University of Amsterdam, P.O. Box 22700, 1100 DE Amsterdam, The Netherlands;cBiophysical Engineering, Biomedical Technology Institute, University of Twente, P.O. Box 217, 7500 AE, The Netherlands |
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| Abstract: | In this study, we demonstrate, for the first time to our knowledge, electronic wavelength sweeping of a continuous wave Ti:sapphire laser using an acousto-optic tunable filter (AOTF). The dependence of the laser output on the sweeping frequency and on the spectral tuning range was investigated. The lasing up to maximum scan rate 11 kHz for 10 nm tuning range and 5 W pump power was achieved. We detected and quantified asymmetry in the output for opposite scan directions. We theoretically characterized the maximum sweeping frequency for swept lasers with AOTFs and confirmed calculated results by measurements. |
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