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Quasi Phase Matched Second Harmonic Generation In Bulk Polymers Induces By All Optical Poling
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Book Synopsis Quasi-phase-matched Second-harmonic Generation in Bulk Polymers Induces by All-optical Poling by : Kwok Wai Choy
Download or read book Quasi-phase-matched Second-harmonic Generation in Bulk Polymers Induces by All-optical Poling written by Kwok Wai Choy and published by . This book was released on 2006 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electro-optic and Second Harmonic Generation Materials, Devices, and Applications by :
Download or read book Electro-optic and Second Harmonic Generation Materials, Devices, and Applications written by and published by . This book was released on 1998 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frontiers of Polymer Research by : Jai K. Nigam
Download or read book Frontiers of Polymer Research written by Jai K. Nigam and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents the proceedings of the First International Conference on Frontiers of Polymer Research held in New Delhi, India during January 20-25, 1991. Polymers have usually been perceived as substances to be used in insulations, coatings, fabrics, and structural materials. Defying this classical view, polymers are emerging as a new class of materials with potential applications in many new technologies. They also offer challenging opportunities for fundamental research. Recognizing a tremendous growth in world wide interest in polymer research and technology, a truly global "1st International Conference on Frontiers of Polymer Research" was organized by P. N. Prasad (SUNY at Buffalo), F. E. Karasz (University of Massachusetts) and J. K. Nigam (Shriram Institute for Industrial Research, India). The 225 participants represented 25 countries and a wide variety of academic, industrial and government groups. The conference was inaugurated by the Prime Minister of India, Mr. Chandra Shekhar and had a high level media coverage. The focus of the conference was on three frontier areas of polymer research: (i) Polymers for photonics, where nonlinear optical properties of polymers show great promise, (ii) Polymers for electronics, where new conduction mechanisms and photophysics have generated considerable enthusiasm and (iii) High performance polymers as new advanced polymers have exhibited exceptionally high mechanical strength coupled with light weight.
Book Synopsis Photoreactive Organic Thin Films by : Zouheir Sekkat
Download or read book Photoreactive Organic Thin Films written by Zouheir Sekkat and published by Elsevier. This book was released on 2002-12-07 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wolfgang Knoll is a former Directory of Polymer research at the Max Planck Institute. He is extremely well know for his research in this area. Zouheir Sekkat was a Postdoctoral researcher at Max Planck working under Professor Knoll. With Knoll's involvement, we can be confident that the best people in this field will be contributing to the reference.
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :David L. Andrews Publisher :SPIE-International Society for Optical Engineering ISBN 13 : Total Pages :162 pages Book Rating :4.3/5 (91 download)
Book Synopsis Nonlinear Spectroscopy by : David L. Andrews
Download or read book Nonlinear Spectroscopy written by David L. Andrews and published by SPIE-International Society for Optical Engineering. This book was released on 2002 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Science Abstracts written by and published by . This book was released on 1995 with total page 1360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optics Letters written by and published by . This book was released on 2007 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Frequency Conversion Phenomena Based on Poled Polymers by :
Download or read book Novel Frequency Conversion Phenomena Based on Poled Polymers written by and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technology of second harmonic generation in channel waveguides made from poled polymers was developed for interaction geometries appropriate for (1) cascading and wavelength shifting, and (2) for wavelength demultiplexing. For fundamental beams which generate a harmonic along the same propagation direction, various phase matching geometries were studied which relied on periodically modulating the linear refractive index and/or the nonlinearity (QPM) in DANS. Although this approach with interdigitated poling electrodes did produce the best results ever reported in polymeric systems, it was not competitive with those in the ferroelectric QPM-LiNbO3. The best results were obtained using modal phase matching in which a low order fundamental waveguide mode was velocity matched to a higher order harmonic mode. By using multiple layers with successive layers poled in opposite directions, a figure of merit equal to LiNbO3 was achieved in the polymer DR1. However, the large losses at the second harmonic reduced the effective sample length and hence the absolute conversion efficiency. For oppositely propagating fundamental inputs, a geometry appropriate to demultiplexing, alternatively poled layers led to the largest conversion efficiencies for any material system for second harmonic beams radiated normal to the waveguide surfaces.
Book Synopsis Crystal Nonlinear Optics by : Arlee Smith
Download or read book Crystal Nonlinear Optics written by Arlee Smith and published by . This book was released on 2018-02-21 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced textbook on crystal nonlinear optics.
Book Synopsis Electrical & Electronics Abstracts by :
Download or read book Electrical & Electronics Abstracts written by and published by . This book was released on 1997 with total page 1948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Dipolar Reorientation Dynamics of Pure Bulk Polymers Using Second Harmonic Generation by :
Download or read book Investigation of Dipolar Reorientation Dynamics of Pure Bulk Polymers Using Second Harmonic Generation written by and published by . This book was released on 1994 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Second harmonic generation (SHG) in three corona-poled, pure, bulk polymers is studied as a function of temperature. It is found that this technique readily yields dynamical information that is complementary to that obtained from the technique of dielectric relaxation (DR). The SHG results are compared to those from DR in the same temperature ranges above T sub g. If is found that in the temperature ranges examined, the relaxation times obtained from SHG are several orders of magnitude longer than those measured by dielectric relaxation. This is explained as being due to the strong correlation between oriented dipoles and to trapped charges injected by the poling process. Fitting measured data to the Williams-Landau-Ferry (WLF) equation indicates that more free volume is needed in SHG for dipolar reorientation than is needed in DR. An SHG relaxation elongation phenomenon at constant temperature is found to occur in the pure bulk polymers and is similar to that found in chromophore- doped polymers previously studied. The SHG technique is developed as a new tool to directly study the reorientational dynamics of polar polymer segments.
Book Synopsis Polymers for Second-order Nonlinear Optics by : Geoffrey A. Lindsay
Download or read book Polymers for Second-order Nonlinear Optics written by Geoffrey A. Lindsay and published by . This book was released on 1995 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the most recent developments in second-order nonlinear optical polymers. Covers the most important technologies necessary to achieve commercially viable devices based on special polymeric materials with second-order nonlinear optical properties. Discusses important molecular design considerations, how to process the polymers into films, the stability of the films, their optical properties, and prototype devices that can be made from these films.
Book Synopsis Electro-Optics and Second Harmonic Generation of Nonlinear Optical Polymers by :
Download or read book Electro-Optics and Second Harmonic Generation of Nonlinear Optical Polymers written by and published by . This book was released on 1992 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The susceptibilities for second harmonic generation (SHG)x31(2) x33(2) of a new high tg polymer, 1,2-benzyl-1,2-cyclohexy l-bridged syndioregic a-cyanocinncimamide (BCSCCA) have been measured by using a Maker fringe apparatus. The BCSCCA was spin coated on a quartz substrate. The film of about 1 um thickness has shown a large birefringence before poling, thus indicating molecular alignment due to spin coating. The polar order was induced by poling the film at 215 C with the corona discharge. The SHG coefficients d33 is equal to 3.54 pm/V and dl3 = 0.95 pm/V at 532 nm. The d-coefficients are stable and show negligible decay over one month. The SHG intensities at 532, 528, 476, 403, 366 mn are also observed. A large resonance enhancement in the SHG intensity was observed inside the absorption band.
Book Synopsis Comparative Assessment of Different Poling Techniques of Nonlinear Optical Polymers by Optical Second Harmonic Generation by : Siu Wai Chan
Download or read book Comparative Assessment of Different Poling Techniques of Nonlinear Optical Polymers by Optical Second Harmonic Generation written by Siu Wai Chan and published by . This book was released on 2003 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frequency Doubling in Poled Polymers Using Anomalous Dispersion Phase-matching by :
Download or read book Frequency Doubling in Poled Polymers Using Anomalous Dispersion Phase-matching written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report on a second harmonic generation in a poled polymer waveguide using anomalous dispersion phase-matching. Blue light ([lambda]= 407 nm) was produced by phase-matching the lowest order fundamental and harmonic modes over a distance of 32[micro]m. The experimental conversion efficiency was[eta]= 1.2[times] 10[sup[minus]4], in agreement with theory. Additionally, they discuss a method of enhancing the conversion efficiency for second harmonic generation using anomalous dispersion phase-matching to optimize Cerenkov second harmonic generation. The modeling shows that a combination of phase-matching techniques creates larger conversion efficiencies and reduces critical fabrication requirements of the individual phase-matching techniques.
Book Synopsis Index to IEEE Publications by : Institute of Electrical and Electronics Engineers
Download or read book Index to IEEE Publications written by Institute of Electrical and Electronics Engineers and published by . This book was released on 1996 with total page 1260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
