X-ray test facility for diffraction gratings | Zendy

Randall L. McEntaffer | Zendy; Fred Hearty | Zendy; B. Gleeson | Zendy; Webster C. Cash | Zendy

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X-ray test facility for diffraction gratings

Author(s) -

Randall L. McEntaffer,

Fred Hearty,

B. Gleeson,

Webster C. Cash

Publication year - 2004

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.506292

Subject(s) - monochromator , grating , optics , diffraction grating , diffraction , blazed grating , materials science , optoelectronics , physics , wavelength

The University of Colorado maintains a grating evaluation facility to characterize optics from the far ultraviolet to the X-ray. The newest addition to this facility is a novel X-ray monochromator. Light is generated by a Manson electron impact X-ray source and passes through a monochromator which incorporates a grating in the off-plane mount at grazing incidence followed by an aluminum filter. From here, the light enters another vacuum chamber to illuminate the test grating, which disperses light onto a resistive anode MCP. This monochromator is characterized utilizing a variety of source anodes and voltages. Preliminary results from a high density test grating, also in the off-plane mount, display that this system is a highly effective tool for determining grating efficiencies.

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