Physical Optics Corporation

Gennady Medvedkin

Tomasz P Jannson

Paul I Shnitser

Victor Grubsky

Ranjit D Pradhan

Edward Matthew Patton

Volodymyr Romanov

Volodymyr Romanoov

Keith Shoemaker

Michael Gertsenshteyn

Wondwosen Mengesha

Yunping Yang

Igor Marienko

A photodetector assembly for ultraviolet and far-ultraviolet detection includes an anode, a microchannel plate with an array of multichannel walls, and a photocathode layer disposed on the microchannel plate. Additionally, the photocathode may include nanowires deposited on a top surface of the array of multichannel walls.

Photodetector with nanowire photocathode

The present invention provides systems and methods for x-ray imaging. In some embodiments, an aperture, or a plurality thereof, are configured to have image transfer functions lacking a zero within a usable spatial frequency range. In further embodiments, the image transfer function is determined according to the shape of the aperture and the usable spatial frequency range is determined according to a usable signal to noise ratio.

X-ray imaging system and method

A quantum-imaging system for detecting photons, including short-wavelength (&#x3c;1 nm) photons, is provided. A quantum imaging system can include optical read-out and optical means, and can be configured to perform as both a photon counter and a photon spectrometer. A quantum-imaging system can function as a photon counter and be configured to measure photon beam fluences (e.g., in J/cm) for both strong beams and weak beams, the latter ones, for example, in the intensity range of 1 pJ/cmsec, or 0.1 &#x3bc;Sv/h. The quantum-imaging system can also function as a photon spectrometer and can be configured to measure photon energies with high energy resolution such as, for example, 1% of photon energy.

Quantum-imaging system and mode of operation and method of fabrication thereof

Growing community of inventors

Torrance, CA, United States of America

Gennady Medvedkin