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Browsing by Author "Banyal, R. K"

Browsing by Author "Banyal, R. K"

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  • Storing light in active optical waveguides with single-negative materials 
    Lu, W. T; Huang, Y. J; Casse, B. D. F; Banyal, R. K; Sridharb, S (American Institute of Physics, 2010-05-24)
    We show that a nonresonant planar waveguide consisting of conventional dielectric cladded with single-negative materials supports degenerate propagating modes for which the group velocity and total energy flow can be zero ...
  • Thermal characteristics of a classical solar telescope primary mirror 
    Banyal, R. K; Ravindra, B (Elsevier B.V., 2011-08)
    We present a detailed thermal and structural analysis of a 2 m class solar telescope mirror which is subjected to a varying heat load at an observatory site. A 3-dimensional heat transfer model of the mirror takes into ...
  • A time-dependent multistate model for bacteriorhodopsin photocycle 
    Banyal, R. K; Hegde, G. M; Prasad, B. R; Reddy, K. P. J (Elsevier, 2005-02)
    A time-dependent theoretical model based on the rate equations for all the photochemical states of bacteriorhodopsin (bR) is developed. A recursive method is adopted to solve the rate equations exactly, with an explicit ...
  • Toward precision radial velocity measurements using Echelle spectrograph at VainuBappu Telescope 
    Chamarthi, Sireesha; Banyal, R. K; Sriram, S (SPIE-The International Society for Optical Engineering, 2019-04)
    The Echelle spectrograph operating at Vainu Bappu Telescope is a general purpose instrument designed for high-resolution spectroscopy. It is being considered for precision Doppler measurements without altering the existing ...
  • Towards Gender Equity in Indian Astronomy 
    Beri, Aru; Shastri, Prajval; Banyal, R. K; Chatterjee, Debarati; Chatterjee, Ritaban; Jassal, Harvinder; Kanekar, Nissim; Kharb, Preeti; Misra, Kuntal (2023-11)
    The Working Group for Gender Equity (WGGE) was formally constituted under the Astronomical Society of India (ASI) in 2015 to increase awareness about gender-related issues in the astrophysics community. The current ...
  • Trigger of Successive Filament Eruptions Observed by SDO and STEREO 
    Dhara, Sajal Kumar; Ravindra, B; Kumar, Pankaj; Banyal, R. K; Mathew, S. K; Joshi, B (Springer, 2017-02)
    Using multiwavelength observations from the Solar Dynamics Observatory (SDO) and the Solar Terrestrial Relations Observatory (STEREO), we investigate the mechanism of two successive eruptions (F1 and F2) of a filament in ...
  • Two-wave mixing and light-induced absorption dynamics in photorefractive BaTiO3 crystals 
    Banyal, R. K; Prasad, B. R (Indian Institute of Science, 2003-08)
    Steady-state and temporal measurements of TWM and LIA have been carried out in PR BaTiO3 crystals at different wavelengths and intensities of laser light. The observed behavior is interpreted in terms of two-center charge ...
  • uGMRT observations of the hot-Saturn WASP-69b: Radio-Loud Exoplanet–Exomoon Survey II (RLEES II) 
    Narang, Mayank; Oza, Apurva V; Hakim, Kaustubh; Manoj, P; Tyagi, Himanshu; Banerjee, Bihan; Surya, Arun; Nayak, Prasanta K; Banyal, R. K; Thorngren, Daniel P (Oxford University Press on behalf of Royal Astronomical Society, 2023-06)
    Exomoons have so far eluded ongoing searches. Several studies have exploited transit and transit timing variations and highresolution spectroscopy to identify potential exomoon candidates. One method of detecting and ...
  • ताराग्रह: हमारे सौर मडंल के बाहर की दुनिया 
    Banyal, R. K; Puravankara, Manoj (NIScPR-CSIR,India, 2022-10)
    दो स्तों, सौर मंडल के बारे में आप बखूबी जानते होंगे लेकिन आज के इस लेख में हम उन अद्भुत ग्रहों के बारे में बात करेंगे जो आकाश में अनगिनत प्रत्यक्ष और अदृश्य तारों के इर्द-गिर्द घूमते हैं। शब्दावली की आसानी के लिए, अन्य ...

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