Periodically poled BaMgF(4) for ultraviolet frequency generation.

OPTICS LETTERS(2002)

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摘要
Ferroelectric domain inversion has been demonstrated in BaMgF4. Transparency has been measured to < 140 nm, and no change in transmission was measured under 157-nm irradiation for >1.1 X 10(9) shots at 2 mJ/cm(2) per pulse. First-order quasi-phase-matched generation of 157 nm is predicted by use of grating periods as long as 1.5 mum. This material should permit shorter-wavelength chi ((2)) frequency-mixing processes than with any other crystalline material. (C) 2001 Optical Society of America.
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关键词
visualization,frequency,tensile stress,transparency,nonlinear optics,ferroelectric materials,environmental scanning electron microscope,atmosphere,birefringence,scanning electron microscopy
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