One-dimensional hard x-ray field retrieval using a moveable structure
We present a technique that allows measuring the field of an x-ray line focus using far-field intensity measurements only. One-dimensional phase retrieval with transverse translation diversity is used to recover a hard x-ray beam focused by a compound kinoform lens. The reconstruction is found to be in good agreement with independent knife-edge scan measurements taken at separated planes. The approach avoids the need for measuring the beam profile at focus and allows narrower beams to be measured than the traditional knife-edge scan.
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE SC OFFICE OF SCIENCE (SC)
- DOE Contract Number:
- DE-AC02-98CH10886
- OSTI ID:
- 1041499
- Report Number(s):
- BNL-94118-2010-JA; R&D Project: LS001; KC0401030; TRN: US201211%%675
- Journal Information:
- Optics Express, Vol. 18, Issue 17; ISSN 1094-4087
- Country of Publication:
- United States
- Language:
- English
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