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Sign in to download full-size image Fig. 6. Optics for laser ablation. (a) Beam coupling optics. Lenses w and x form a Galilean telescope. Beam diameter can be changed by moving lens x. The beam splitter reflects blue laser light into the specimen while passing longer wavelength light to...
Sign in to download hi-res image Fig. 9.A snapshot of the structural evolution of amorphous structures: (a) α-Cu50Zr50and (b) α-Cu33.3Zr66.7The TTM-MD method was used at different time steps: 0ps, 100 ps, 300 ps, 400 ps, 700 ps and 1 ns. The PTM algorithm is used to col...
It appears that the latest search of the contemporary accelerator based on the colliders shows a sign of saturation (or at least a slow-down) in increasing its energy and other necessary parameters to extend this frontier. We suggest two pronged approach enabled by the recent progress in high...
Over the past two decades, there have been sizable efforts to realize condensed phase optical cooling. To date, however, there have been no verifiable demonstrations of semiconductor-based laser cooling. Recently, advances in the synthesis of semiconduct
Semiconductor lasers vs LEDs in diagnostic and therapeutic medicine Semiconductor emitters are used in many areas of medicine, allowing for new methods of diagnosis, treatment and effective prevention of many diseases. The ... L Gryko,A Zajac,J Szymanska,... - Laser Technology: Progress & Applica...
Here we present the first demonstration that laser-induced filaments—formed in the sky by short and intense laser pulses—can guide lightning discharges over considerable distances. We believe that this experimental breakthrough will lead to progress in lightning protection and lightning physics. An ...
For this purpose we have designed pulse bursts with a triangular intensity envelope and different slope sign and interpulse separation that were experimentally generated using a home-made temporal pulse shaper. We have found that pulse bursts with decreasing intensity envelopes are remarkably more ...
Sign in to download full-size image Figure 1.3. Energy level diagram corresponding to a laser dye molecule. It includes three electronic levels (S0, S1, and S2) and two triplet levels (T1 and T2). Each electronic level contains a large number of vibrational and rotational levels. Laser emis...
Edge detection plays an important role in laser ladar image processing.Its capability has direct influence on precision and performance of ladar imaging sy... 王海虹 Wang Haihong,曾妮Zeng Ni,陆威Lu Wei,... - 《Chinese Journal of Lasers》 ...