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Title: Instrument and method for focusing x rays, gamma rays, and neutrons

Abstract

A crystal diffraction instrument is described which has an improved crystalline structure having a face for receiving a beam of photons or neutrons and diffraction planar spacing along that face with the spacing increasing progressively along the face to provide a decreasing Bragg angle and thereby increasing the usable area and acceptance angle. The increased planar spacing is provided by the use of a temperature differential across the crystalline structure, by assembling a plurality of crystalline structure with different compositions, by an individual crystalline structure with a varying composition and thereby a changing planar spacing along its face, and by combinations of these techniques.

Inventors:
Issue Date:
OSTI Identifier:
5307495
Assignee:
Dept. of Energy ERA-07-044590; EDB-82-130353
DOE Contract Number:  
W-31-109-ENG-38
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; DIFFRACTOMETERS; BRAGG REFLECTION; CRYSTAL STRUCTURE; FOCUSING; MEASURING INSTRUMENTS; REFLECTION; 440300* - Miscellaneous Instruments- (-1989)

Citation Formats

Smither, R.K. Instrument and method for focusing x rays, gamma rays, and neutrons. United States: N. p., 1981. Web.
Smither, R.K. Instrument and method for focusing x rays, gamma rays, and neutrons. United States.
Smither, R.K. Mon . "Instrument and method for focusing x rays, gamma rays, and neutrons". United States.
@article{osti_5307495,
title = {Instrument and method for focusing x rays, gamma rays, and neutrons},
author = {Smither, R.K.},
abstractNote = {A crystal diffraction instrument is described which has an improved crystalline structure having a face for receiving a beam of photons or neutrons and diffraction planar spacing along that face with the spacing increasing progressively along the face to provide a decreasing Bragg angle and thereby increasing the usable area and acceptance angle. The increased planar spacing is provided by the use of a temperature differential across the crystalline structure, by assembling a plurality of crystalline structure with different compositions, by an individual crystalline structure with a varying composition and thereby a changing planar spacing along its face, and by combinations of these techniques.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1981},
month = {4}
}