منابع مشابه
Progress towards Meeting the Constellation-X Performance Goals using Segmented X-ray Mirrors
We present an overview of our recent progress toward the development of segmented X-ray mirrors for the Constellation-X mission. Our reference design incorporates thin glass reflector substrates, with axially curved X-ray reflecting surfaces applied via epoxy replication. Alignment is accomplished via a precision structure incorporating ultraprecise etched Si alignment microstructures (as descr...
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The next generation wide-field X-ray telescope (WFXT), to be implemented beyond eRosita and proposed within the NASA RFI call 2011, requires an angular resolution of less than 10 arcsec (with goal of 5”) constant across a wide field of view (1 deg). To achieve this requirement the design is based on nested modified grazing incidence Wolter-I mirrors with polynomial profiles. Our goals in terms ...
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We have fabricated a bifocal miniature torodial mirror that horizontally and vertically focuses to two different locations to provide a smaller footprint of beam for grazing-incidence wide-angle scattering (GIWAXS), while at the same time focusing the beam in the horizontal direction on the detector to further enhance the angular resolution. At CHESS we traditionally use glass single-bounce mon...
متن کاملFabrication of X-ray Microscope Mirrors
We showed the design of a Wolter type I mirror which was optimized to have a maximum effective solid angle used in X-ray microscopes, and fabricated the mirror using the replication method. Several mirrors were successfully fabricated using only one master mandrel by our replication method without destroying the master mandrel. The replicated Au focusing and imaging mirrors showed surface rough...
متن کاملSilicon nitride transmission X-ray mirrors
Transmission X-ray mirrors have been fabricated from 300-400 nm-thick low-stress silicon nitride windows of size 0.6 mm x 85 mm. The windows act as a high-pass energy filter at grazing incidence in an X-ray beam for the beam transmitted through the window. The energy cut-off can be selected by adjusting the incidence angle of the transmission mirror, because the energy cut-off is a function of ...
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ژورنال
عنوان ژورنال: X-Ray Optics and Instrumentation
سال: 2010
ISSN: 1687-7632,1687-7640
DOI: 10.1155/2010/412323