Deep UV generation and fs pulses characterization using strontium tetraborate

A. S. Aleksandrovsky; A. M. Vyunishev; A. I. Zaitsev; A. A. Ikonnikov; G. I. Pospelov; V. V. Slabko; A. A. Zhokhova

doi:10.1117/12.886189

18 May 2011 Deep UV generation and fs pulses characterization using strontium tetraborate

A. S. Aleksandrovsky, A. M. Vyunishev, A. I. Zaitsev, A. A. Ikonnikov, G. I. Pospelov, V. V. Slabko, A. A. Zhokhova

Proceedings Volume 8071, Nonlinear Optics and Applications V; 80710K (2011) https://doi.org/10.1117/12.886189
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

The properties of NPC structures in strontium tetraborate are analyzed. Different types of NPC structures are revealed that possess different nonlinear properties, and their spectral dependences of frequency conversion efficiency are calculated and compared. Experimental study of these structures is reported for the process of doubling of the second harmonic of fs Ti:S laser. Tuning of generated radiation is obtained in the range 187.5 - 232.5 nm, with extreme insensitivity to the angular orientation of NPC. Behavior of tuning curve along investigated fundamental wave range is similar in all studied samples, but efficiency obtained depends on the type of structure. Conversion efficiency and spectral quality of generated radiation is experimentally shown to grow better when using NPC with improved structure. Prospects of VUV converter on a single NPC are discussed. NPCs of SBO are demonstrated to be useful for autocorrelation diagnostics both in random QPM geometry and in the geometry of nonlinear diffraction from virtual beam.

Citation Download Citation

A. S. Aleksandrovsky, A. M. Vyunishev, A. I. Zaitsev, A. A. Ikonnikov, G. I. Pospelov, V. V. Slabko, and A. A. Zhokhova "Deep UV generation and fs pulses characterization using strontium tetraborate", Proc. SPIE 8071, Nonlinear Optics and Applications V, 80710K (18 May 2011); https://doi.org/10.1117/12.886189

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