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6篇 您的检索式:作者名="K. G. Watkins"
    题名 作者 年代 出处 被引量
1Diffractive Multi-beam Ultra-fast Laser Micro-processing Using a Spatial Light Modulator(Invited Paper)显示文摘Multi-beam ultra-fast laser parallel microprocessing using spatial light modulation is demonstrated in this paper.Diffractive multi-beam patterns are generated with a spatial light modulator(SLM),which is driven by computer generated holograms(CGHs).The CGHs calculated by appropriate algorithms are displayed on the SLM to split an input laser beam to a number of beamlets and digitally manipulate their positions and intensity.The undesired damage by the energetic zero order beam can be avoided by either installing a 4f optical system to block the zero order at the Fourier plane or adding a Fresnel zone lens on the CGH to defocus the zero order at the processing plane.The surface ablation of materials using multi-beam patterns synchronised with a scanning galvanometer system shows flexible and high throughput parallel processing.By tightly focusing the diffractive beams with an objective into transparent materials,high speed dynamic femto-second laser two-dimensional(2D) and three-dimensional(3D) internal structuring is also presented.The results demonstrate the high precision micro-processing with higher efficiency,showing the potential for ultra-fast laser parallel processing in real industrial applications.Walter Perrie S. P. Edwardson E. Fearon G. Dearden K. G. Watkins 2009中国激光2009,36,12:4
2Role of EUS for preoperative evaluation of cholangiocarcinoma: a large single-center experience显示文摘Mehdi Mohamadnejad John M. DeWitt Stuart Sherman Julia K. LeBlanc Henry A. Pitt Michael G. House Kelly J. Jones Evan L. Fogel Lee McHenry James L. Watkins Gregory A. Cote Glen A. Lehman Mohammad A. Al-Haddad 2011Gastrointestinal Endoscopy2011,,1:3
3Role of EUS for preoperative evaluation of cholangiocarcinoma: a large single-center experience显示文摘Mehdi Mohamadnejad John M. DeWitt Stuart Sherman Julia K. LeBlanc Henry A. Pitt Michael G. House Kelly J. Jones Evan L. Fogel Lee McHenry James L. Watkins Gregory A. Cote Glen A. Lehman Mohammad A. Al-Haddad 2011Gastrointestinal Endoscopy2011,,1:2
4Onset of action for duloxetine 60 mg once daily: double-blind, placebo-controlled studies显示文摘Stephen K. Brannan Craig H. Mallinckrodt Michael J. Detke John G. Watkin Gary D. Tollefson 2004Journal of Psychiatric Research2004,,2:1
5Role of EUS for preoperative evaluation of cholangiocarcinoma: a large single-center experience显示文摘Mehdi Mohamadnejad John M. DeWitt Stuart Sherman Julia K. LeBlanc Henry A. Pitt Michael G. House Kelly J. Jones Evan L. Fogel Lee McHenry James L. Watkins Gregory A. Cote Glen A. Lehman Mohammad A. Al-Haddad 2011Gastrointestinal Endoscopy2011,,1:1
6Incorporation of La3+ into a Pt/CeO2/Al2O3 catalyst显示文摘R. K. Usmen G. W. Graham W. L. H. Watkins R. W. McCabe 1994Catalysis Letters (-)1994,,1:1
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