Cylindrical compound refractive x-ray lenses using plastic substrates
- Adelphi Technology Inc., Palo Alto, California 94306 (United States)
- Department of Electrical Engineering, Stanford University, Stanford, California 94305 (United States)
- Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, California 94305 (United States)
We have measured the intensity profile of x rays focused by compound refractive lenses (CRLs) fabricated using acrylic (Lucite) and polyethylene plastics. A linear array of closely spaced holes acts as multiple cylindrical lenses. The important parameters for this type of focusing are the focal length and absorption, and, for wavelengths shorter than 3 [Angstrom], low atomic number plastics are suitable. We have experimentally demonstrated that we can achieve one-dimensional focusing for photon energies between 9 and 19.5 keV with focal lengths between 20 and 100 cm. For example, using 12 keV x rays we have achieved focal full width at half maximum linewidths down to 21 [mu]m at a distance of only 20 cm from the CRL. The x-ray source was a synchrotron emitter whose source size in the vertical dimension was 445 [mu]m. [copyright] [ital 1999 American Institute of Physics.]
- OSTI ID:
- 6158833
- Journal Information:
- Review of Scientific Instruments, Vol. 70:9; ISSN 0034-6748
- Country of Publication:
- United States
- Language:
- English
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FABRICATION
FOCUSING
KEV RANGE 01-10
KEV RANGE 100-1000
LENSES
LINE WIDTHS
OPTICS
PLASTICS
REFRACTIVE INDEX
SYNCHROTRON RADIATION
X-RAY EQUIPMENT
BREMSSTRAHLUNG
ELECTROMAGNETIC RADIATION
ENERGY RANGE
EQUIPMENT
KEV RANGE
MATERIALS
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHYSICAL PROPERTIES
POLYMERS
RADIATIONS
SYNTHETIC MATERIALS
440600* - Optical Instrumentation- (1990-)