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Fresnel Zone Plate Telescopes as high resolution imaging devices
Sandip K. Chakrabarti, Sourav Palit, Anuj Nandi +2
Combination of Fresnel Zone Plates (FZP) can make excellent telescopes for imaging in X-rays. We present the results of our experiments with such telescopes with an X-ray source ke…
Indian Payloads (RT-2 Experiment) Onboard CORONAS-PHOTON Mission
Anuj Nandi, A. R. Rao, Sandip K. Chakrabarti +7
RT-2 Experiment (RT - Roentgen Telescope) is a low energy gamma-ray instrument which is designed and developed as a part of Indo-Russian collaborative project of CORONAS-PHOTON Mis…
Fresnel zone plate telescopes for X-ray imaging II: numerical simulations with parallel and diverging beams
S. Palit, Sandip K. Chakrabarti, D. Debnath +4
We present the results of simulations of shadows cast by a zone plate telescope which may have one to four pairs of zone plates. From the shadows we reconstruct the images under va…
Fresnel zone plate telescopes for X-ray imaging I: experiments with a quasi-parallel beam
Sandip K. Chakrabarti, S. Palit, D. Debnath +3
Combination of Fresnel Zone Plates (FZP) can make an excellent telescope for imaging in X-rays. We present here the results of our experiments with several pairs of tungsten made F…
Fresnel zone plates for Achromatic Imaging Survey of X-ray sources
S. Palit, S. K. Chakrabarti, D. Debnath +2
A telescope with Fresnel Zone Plates has been contemplated to be an excellent imaging mask in X-rays and gamma-rays for quite some time. With a proper choice of zone plate material…
CSPOB-Continuous Spectrophotometry of Black Holes
S. K. Chakrabarti, D. Bhoumik, D. Debnath +4
The goal of a small and dedicated satellite called the "Continuous Spectro-Photometry of Black Holes" or CSPOB is to provide the essential tool for the theoretical understanding of…