Simple and effective modification of a sagittally focusing x-ray diffraction optic

Gordon Tajiri; Ali M. Khounsary; Derrick C. Mancini

doi:10.1117/12.411627

5 January 2001 Simple and effective modification of a sagittally focusing x-ray diffraction optic

Gordon Tajiri, Ali M. Khounsary, Derrick C. Mancini

Proceedings Volume 4145, Advances in X-Ray Optics; (2001) https://doi.org/10.1117/12.411627
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Some experiments performed at bending magnet beamlines at the Advanced Photon Source (APS) will benefit from a focused photon beam. A commercial sagittal focusing bender that uses a simple rectangular plate as the diffraction element could be utilized for this purpose. However, the thin rectangular diffracting plate, specified by the manufacturer, is susceptible to anticlastic bending. A simple ribbed plate that utilizes this commercial bender but that reduces anticlastic bending is proposed as a solution. This design uses a pair of sufficiently stiff ribs on the diffracting surface, which substantially suppresses anticlastic bending. The finite element analysis (FEA) method was used to predict the overall structural response of this sagittally bent plate and its anticlastic distortion. Results are compared with unribbed plates showing an effective reduction in anticlastic bending.

Citation Download Citation

Gordon Tajiri, Ali M. Khounsary, and Derrick C. Mancini "Simple and effective modification of a sagittally focusing x-ray diffraction optic", Proc. SPIE 4145, Advances in X-Ray Optics, (5 January 2001); https://doi.org/10.1117/12.411627

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