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Browsing by Author "Panini, S. S"

Browsing by Author "Panini, S. S"

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  • DarpanX: A python package for modeling X-ray reflectivity of multilayer mirrors 
    Mondal, B; Vadawale, S. V; Mithun, N. P. S; Vaishnava, C. S; Tiwari, N. K; Goyal, S. K; Panini, S. S; Navalkar, V; Karmakar, C; Patel, M. R; Upadhyay, R. B (Elsevier B.V, 2021-01)
    Multilayer X-ray mirrors consist of a coating of a large number of alternate layers of high Z and low Z materials with a typical thickness of 10–100 Å , on a suitable substrate. Such coatings play an important role in ...
  • Multilayer Mirror Based High-Resolution Solar Soft X-Ray Spectrometer 
    Panini, S. S; Narendranath, S; Sreekumar, P; Sankarasubramanian, K (Frontiers Media S.A, 2021-07)
    Soft X-ray spectroscopy of the Sun is an important tool to understand the coronal dynamics and composition. The solar coronal X-ray spectrum below 1 keV is the least explored with high-resolution spectroscopy. Recent ...
  • Multilayer mirror-based soft x-ray polarimeter for astronomical observations 
    Panini, S. S; Sreekumar, P; Marshall, H. L; Narendranath, S; Nayak, M; Athiray, P. S (SPIE-The International Society for Optical Engineering, 2018-01)
    A simple design of a soft x-ray polarimeter using multilayer mirrors is presented. A multilayer mirror acts as a linear polarization analyzer for x-rays at incidence angles close to the Brewster angle. The instrument ...
  • Soft x-ray imager using multilayer mirror optics for martian exospheric studies 
    Panini, S. S; Narendranath, S; Sreekumar, P; Athiray, P. S (2010-07)
    Planetary X ray measurements in the past have yielded valuable science in several areas such as the surface chemistry, polar auroras, magnetospheres and solar wind interaction with the exosphere. X-ray ...
  • Thermal and temporal stability of W / B4C multilayer mirrors for space-based astronomical applications 
    Panini, S. S; Nayak, M; Gupta, Rajkumar; Pradhan, Paresh C.; Majhi, Arindam; Narendranath, S; Sreekumar, P (SPIE-Society of Photo-Optical Instrumentation Engineers, 2018-10)
    W  /  B4C multilayer (ML) mirrors with varying periodicities   (  d  )    =  1.6 to 5.4 nm are tested for rapid thermal and temporal stability, which are required for space-based x-ray telescopes for astronomy. The aging ...

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