Staff profile

• Astronomy and Astrophysics
• Centre for Advanced Instrumentation

Conference Paper

• Bharmal, Nazim A., Bramall, David, Calcines Rosario, Ariadna Z., Morris, Timothy J., Schmoll, Jürgen & Staykov, Lazar (2022), WIVERN: a laboratory experiment for testing novel laser-based wavefront sensing techniques, in Schreiber, Laura, Schmidt, Dirk & Vernet, Elise eds, Adaptive Optics Systems VIII. SPIE.

Journal Article

• Dubost, Nicolás, Bharmal, Nazim Ali, Dubbeldam, Marc & Myers, Richard M. (2022). Concept validation of a high dynamic range point-diffraction interferometer for wavefront sensing in adaptive optics. Applied Optics 61(14): 4160-4167.
• Hottinger, Philipp, Harris, Robert J., Crass, Jonathan, Dietrich, Philipp-Immanuel, Blaicher, Matthias, Bechter, Andrew, Sands, Brian, Morris, Timothy, Basden, Alastair G., Bharmal, Nazim Ali, Heidt, Jochen, Anagnos, Theodoros, Neureuther, Philip L., Glück, Martin, Power, Jennifer, Pott, Jörg-Uwe, Koos, Christian, Sawodny, Oliver & Quirrenbach, Andreas (2021). On-sky results for the integrated microlens ring tip-tilt sensor. Journal of the Optical Society of America B 38(9): 2517.
• Nayak, Abani Shankar, Labadie, Lucas, Sharma, Tarun Kumar, Piacentini, Simone, Corrielli, Giacomo, Osellame, Roberto, Gendron, Éric, Buey, Jean-Tristan M., Chemla, Fanny, Cohen, Mathieu, Bharmal, Nazim A., Bardou, Lisa F., Staykov, Lazar, Osborn, James, Morris, Timothy J., Pedretti, Ettore, Dinkelaker, Aline N., Madhav, Kalaga V. & Roth, Martin M. (2021). First stellar photons for an integrated optics discrete beam combiner at the William Herschel Telescope. Applied Optics 60(19): D129.
• Zhang, Zhentao, Morris, Tim, Bharmal, Nazim & Liang, Yonghui (2021). Global tip-tilt and high-order aberration correction with plenoptic wavefront sensors in closed-loop AO systems. Applied Optics 60(14): 4208-4216.
• Sinquin, Baptiste, Prengere, Léonard, Kulcsár, Caroline, Raynaud, Henri-Francois, Gendron, Eric, Osborn, James, Basden, Alastair, Conan, Jean-Marc, Bharmal, Nazim, Bardou, Lisa, Staykov, Lazar, Morris, Tim, Buey, Tristan, Chemla, Fanny & Cohen, Matthieu (2020). On-sky results for adaptive optics control with data-driven models on low-order modes. Monthly Notices of the Royal Astronomical Society 498(3): 3228-3240.
• Zhang, Zhentao, Bharmal, Nazim, Morris, Tim & Liang, Yonghui (2020). Laboratory quantification of a plenoptic wavefront sensor with extended objects. Monthly Notices of the Royal Astronomical Society 497(4): 4580.
• Cantalloube, F., Farley, O. J. D., Milli, J., Bharmal, N., Brandner, W., Correia, C., Dohlen, K., Henning, Th., Osborn, J., Por, E., Suárez Valles, M. & Vigan, A. (2020). Wind-driven halo in high-contrast images. Astronomy & Astrophysics 638: A98.
• Yang, H, Gonzalez, C, Bharmal, N A & de Cos, F (2019). Projected Pupil Plane Pattern (PPPP) with artificial Neural Networks. Monthly Notices of the Royal Astronomical Society 487(1): 1480-1487.
• Yang, Huizhe, Bharmal, Nazim, Myers, Richard & Younger, Eddy (2019). Laboratory demonstration of an alternative laser guide stars wavefront sensing technique—projected pupil plane pattern. Journal of Astronomical Telescopes, Instruments, and Systems 5(2): 029002.
• Beltramo-Martin, Olivier, Bharmal, Nazim Ali & Correia, Carlos (2019). PEPITO: atmospheric Profiling from short-Exposure focal Plane Images in seeing-limiTed mOde. Monthly Notices of the Royal Astronomical Society 486(2): 2032–2041.
• Cantalloube, F., Por, E. H., Dohlen, K., Sauvage, J.-F., Vigan, A., Kasper, M., Bharmal, N., Henning, T., Brandner, W., Milli, J., Correia, C. & Fusco, T. (2018). Origin of the asymmetry of the wind driven halo observed in high-contrast images. Astronomy & Astrophysics 620: L10.
• Dubost, Nicolas, Bharmal, Nazim & Myers, Richard M. (2018). Calibration of quasi-static aberrations in high-contrast astronomical adaptive optics with a pupil-modulated point-diffraction interferometer. Optics Express 26(9): 11068-11083.
• Yang, Huizhe, Bharmal, Nazim A. & Myers, Richard M. (2018). Projected Pupil Plane Pattern: an alternative LGS wavefront sensing technique. Monthly Notices of the Royal Astronomical Society 477(4): 4443-4453.
• Bharmal, N.A. & Reeves, A.P. (2016). Estimating stochastic noise using in-situ measurements from a linear wavefront slope sensor. Optics Letters 41(2): 428-431.