Dye laser pumped, continuous-wave KTP optical parametric oscillators |
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| Authors: | ME Klein M Scheidt K-J Boller R Wallenstein |
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| Institution: | Universit?t Kaiserslautern, Fachbereich Physik, Erwin-Schr?dinger-Str. 46, 67663 Kaiserslautern, Germany (Fax: +49-631/2053906, E-mail: marklein@rhrk.uni-kl.de), DE
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| Abstract: | 4 (KTP) optical parametric oscillators (OPOs) with pump and idler resonant cavities. With a linear two-mirror cavity the pump
power at threshold was 70 mW. The single-frequency signal and idler output wavelengths were tuned in the range of 1025 to
1040 nm and 1250 to 1380 nm by tuning the dye laser in the range of 565 to 588 nm. With a dual three-mirror cavity the threshold
was 135 mW. Pumped by 500 mW of 578 nm radiation the 1040 nm single-frequency signal wave output power was 84 mW. Power and
frequency stable operation with a spectral bandwidth of less than 9 MHz was obtained by piezo-electrically locking the length
of the pump resonant cavity to the dye laser wavelength. Similar performance was achieved by placing the idler resonant OPO
inside the resonator of the dye laser. With this system power stable and single-frequency operation was achieved with a spectral
bandwidth of less than 11 MHz for the idler wave.
Received: 3 February 1998/Revised version: 9 March 1998 |
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| Keywords: | PACS: 42 65 Yj 42 60 By 42 55 Mv |
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