Method and apparatus for molecular imaging using X-rays at reson

Details Method and apparatus for molecular imaging using X-rays at reson Method and apparatus for molecular imaging using X-rays at reson

1982-11-30

1985-08-20

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Holography or interferometry

378 87, G03B 4116

Patent

active

045368830

ABSTRACT:
Holographic X-ray images are produced representing the molecular structure of a microscopic object, such as a living cell, by directing a beam of coherent X-rays upon the object to produce scattering of the X-rays by the object, producing interference on a recording medium between the scattered X-rays from the object and unscattered coherent X-rays and thereby producing holograms on the recording surface, and establishing the wavelength of the coherent X-rays to correspond with a molecular resonance of a constituent of such object and thereby greatly improving the contrast, sensitivity and resolution of the holograms as representations of molecular structures involving such constituent. For example, the coherent X-rays may be adjusted to the molecular resonant absorption line of nitrogen at about 401.3 eV to produce holographic images featuring molecular structures involving nitrogen.

REFERENCES:
patent: 3381127 (1968-10-01), Spielberg
"Holography at X-Ray Wavelengths", Solem et al., Presented to Proceedings of the Society for Optical and Quantum Electronics, New Orleans, Dec. 1981.
"Holography of Microobjects in X-Rays", Aristov et al., Optics Communications, vol. 34, No. 3, 9/80, pp. 332-336.

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