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Orientation dependence in high harmonics of ZnO with polarization corrections to counteract the birefringent effect |
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| Affiliation: | 1.School of Physics and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China;2.Hubei Key Laboratory of Optical Information and Pattern Recognition, Wuhan Institute of Technology, Wuhan 430205, China;3.CAS Center for Excellence in Ultraintense Laser Science, Shanghai 201800, China |
| Abstract: | We investigate the influence of the birefringence on the high-order harmonics in an a-cut Zn O crystal with midinfrared laser pulses. The high harmonics exhibit strong dependence on the alignment of the crystal with respect to the laser polarization. We introduce the Jones calculus to counteract the birefringent effect and obtain the harmonics with polarization corrections in Zn O. We show that the birefringent effect plays an important role in the orientation dependence of HHG. |
| Keywords: | high-order harmonics birefringent effect Jones calculus |
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