Abstract
We report on what is to our knowledge the first realization of a quasi-phase-matched optical parametric oscillator (OPO) based on a crystal with a cylindrical shape. The main reason for interest in this device is its broad, continuous tuning. In experiments with a 1064-nm pump, the signal tuning range was equal to 525 nm (1515–2040 nm), and the corresponding idler was continuously tuned over 1340 nm (2220–3560 nm). The angular tuning was 26°, with only a minor variation of the OPO threshold over the entire tuning range.
© 2001 Optical Society of America
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