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1997, No. 12
1997, No. 12
Show moreWe describe a new approach to second-order nonlinear optical materials, namely quadrupoling. This approach is valid in the regime of Kleinman (full permutation) symmetry breaking, and thus requires a two- or three dimensional microscopic nonlinearity at wavelengths away from material resonances. This "quadrupolar" nonlinearity arises from the second rank pseudotensor of the rotationally invariant representation of the second-order nonlinear optical tensor. We have experimentally investigated candidate molecules comprised of chiral camphorquinone derivatives by measuring the scalar invariant associated with the rank two pseudotensor using hyper-Rayleigh scattering. We have found sizable scalar figures of merit for several compounds using light for which the second harmonic wavelengths are greater than 100 nm longer than the absorption peak location. At these wavelengths, the quadrupolar scalar is as large as the polar (EFISH) scalar of p-nitroaniline. Prospects for applications are discussed. Citation format: Hubbard S.F, Petschek R.G., Singer K.D., D'Sidocky N., Hudson C., Chien L.C., Henderson C.C., Cahill P.A., ""Quadrupoled" materials for second-order nonlinear optics," Proceedings of SPIE - The International Society for Optical Engineering 3147, 41-52, 1997. Copyright notice format Copyright 1997 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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Show moreThe 1997 Retrospect represents a student perspective on the events and personalities of the 1996-1997 academic year. The yearbook includes information about and images of individual students, members of student clubs and organizations, athletics, performances, the campus, and major events ; color image of printed multi-page document.
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Show moreblack and white view of people, wearing casual attire, sitting at a table opposite another person, looking at boards with chess pieces on them / indoors
events & activities & people
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1997, No. 12
1997, No. 12
Show moreCertificate for Dr. Ulysses G. Mason, Jr. from US Congressman Louis Stokes extending posthumous induction into the Glenville Development Corporation Hall of Fame for his endless work in the medical field for the betterment of the community, October 3, 1997.
Donated by Melbahu Mason. Physical item kept at Dittrick Medical History Center, Forest City Hospital Archival Collection, Series IV, Box III - Folder 4.
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Show moreCertificate of recognition issued to Dr. Ulysses G. Mason, Jr. posthumously by Ohio Senator Mike DeWine for his outstanding contribution to the community of Glenville, October 3, 1997.
Donated by Melbahu Mason. Physical item kept at Dittrick Medical History Center, Forest City Hospital Archival Collection, Series IV, Box III - Folder 4.
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