Dr. Nagaraju Krishnappa Profile

Dr. Nagaraju Krishnappa

at Max-Planck-Institut für Sonnensystemforschung

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Author

Publications (3)

SPIE Journal Paper | 13 November 2018

Solar spectropolarimetry of Ca II 8542 Å line: polarimeter development, calibration, and preliminary observations

Hemanth Pruthvi, Nagaraju Krishnappa, Ravindra Belur, Ramesh Bheemarao Kadagattor

JATIS, Vol. 4, Issue 04, 048002, (November 2018) https://doi.org/10.1117/12.10.1117/1.JATIS.4.4.048002

KEYWORDS: Polarimetry, Polarization, Calibration, Modulation, Magnetism, Mirrors, Calcium, Sensors, Instrument modeling, Spectrographs

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Proceedings Article | 13 September 2012 Paper

Reflectivity, polarization properties, and durability of metallic mirror coatings for the European Solar Telescope

J. Hirzberger, P. J. Jobst, A. Feller, O. Pleier, M. Schürmann, N. Krishnappa

Proceedings Volume 8450, 84503U (2012) https://doi.org/10.1117/12.927080

KEYWORDS: Silver, Reflectivity, Mirrors, Aluminum, Dielectric polarization, Optical coatings, Gemini Observatory, Polarization, Solar telescopes, Telescopes

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Proceedings Article | 7 October 2011 Paper

Atmospheric turbulence and high-precision ground-based solar polarimetry

K. Nagaraju, S. Ihle, H. Soltau, A. Feller

Proceedings Volume 8148, 81480S (2011) https://doi.org/10.1117/12.894041

KEYWORDS: Polarization, Polarimetry, Modulation, Telescopes, Wave plates, Sensors, Turbulence, Diffraction, Atmospheric turbulence, Phase shift keying

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