Widely tunable NCPM-KTA OPO based on non-collinear phase-matching in a four-mirror ring cavity
Zeqi Yang,
Gaoyou Liu,
Jun Meng
et al.
Abstract:Based on non-collinear phase-matching (PM), a new method for widely tunable wavelength was proposed and demonstrated in a four-mirror ring cavity of non-critical phase-matching (NCPM) KTiOAsO4 (KTA) optical parametric oscillator (OPO). Wavelength tuning range of 141 nm from 1535.56 nm to 1676.73 nm was achieved by moving one mirror of ring cavity back and forth. The tuning theory and tuning method of non-collinear PM were analyzed in detail. The output energy and pulse width of signal were measured and compare… Show more
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