Degang Xu, Changzhao Li, Yuye Wang, Longhuang Tang, Chao Yan, Yixin He, Jianquan Yao. Ring-Cavity Terahertz Parametric Oscillator Based on MgO∶SLN Crystals[J]. Acta Optica Sinica, 2018, 38(11): 1119001
- Acta Optica Sinica
- Vol. 38, Issue 11, 1119001 (2018)
Fig. 1. Optical design of ring-cavity configuration, in which red, blue, and green lines indicating potential routes of Stokes wave through rotating the angle of M4
Fig. 2. Structural diagram of experimental setup. (a) Ring-cavity THz parametric oscillator in which blue and red lines indicating pump wave and Stokes wave; (b) crystal profile
Fig. 3. THz wave output frequency and Stokes wave length versus tuning angle at pump energy of 150.30 mJ
Fig. 4. THz wave output energy versus frequency at pump energy of 150.30 mJ
Fig. 5. Comparison of cavity type between conventional linear-cavity THz parametric oscillator (solid line) and ring cavity THz parametric oscillator (dashed line)
Fig. 6. THz wave output energy versus pump energy for linear-cavity and ring-cavity parametric oscillators at THz frequency of 1.50 THz
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