Browsing by Subject "Multilayer mirrors"

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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 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 ...
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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