Multi-wavelength investigation of laser-damage performance in KDP and DKDP following laser annealing
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چکیده
منابع مشابه
A multi-dimensional investigation of laser conditioning in KDP and DKDP crystals
We present a multi-parametric experimental investigation of laser conditioning efficiency and behavior in KDP and DKDP crystals as a function of laser wavelength, fluence, number of pulses, and conditioning protocol. Our results expose complex behaviors associated with damage initiation and conditioning at different wavelengths that provide a major step towards revealing the underlying physics....
متن کاملLaser-induced defect reactions governing damage performance in KDP and DKDP crystals
The interaction of damage initiating defect precursors in KDP and DKDP crystals with laser pulses is investigated as a function of laser parameters to obtain experimental results that contain information about the type and nature of the defects. Specifically, the focus is to understand a) the interaction of the precursors with sub-damage laser pulses leading to improvement to the damage perform...
متن کاملInvestigation of the electronic and physical properties of defect structures responsible for laser-induced damage in DKDP crystals.
Laser-induced damage at near operational laser excitation conditions can limit the performance of potassium dihydrogen phosphate (KH(2)PO(4), or KDP) and its deuterated analog (DKDP) which are currently the only nonlinear optical materials suitable for use in large-aperture laser systems. This process has been attributed to pre-existing damage precursors that were incorporated or formed during ...
متن کاملLaser-Induced Damage in DKDP Crystals under Simultaneous Exposure to Laser Harmonics
While KDP and DKDP crystals remain the only viable solution for frequency conversion in large aperture laser systems in the foreseeable future, our understanding of damage behavior in the presence of multiple colors is very limited. Such conditions exist during normal operation where, for third harmonic generation, 1ω, 2ω and 3ω components are present with different energy ratios as they propag...
متن کاملInvestigation of laser-induced damage in DKDP under multi-color irradiation
Laser-induced initiation of bulk damage sites in DKDP crystals is investigated under simultaneous exposure to 532and 355-nm nanosecond laser pulses in order to simulate the operational conditions during harmonic conversion as well as probe the damage mechanisms. The results demonstrate synergetic damage effects under the dual-wavelength excitation. Furthermore, the damage performance is directl...
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تاریخ انتشار 2005