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  • Development of an FPGA based photon counting detector 
    Ambily, S (Indian Institute of Astrophysics, 2014-08)
    The UV photon event rate is very low in the near space region and we need to have a very sensitive detector to discriminate between the noise and actual signal. Photon counting method is usually used to detect such weak ...
  • Development of automated extinction monitor for the NLOT site survey 
    Tarun Kumar Sharma (Indian Institute of Astrophysics, 2011-07)
  • Development of CCD camera systems at IIA 
    Naidu, B. N; Shankar, S. M; Srinivasan, R; Ravi, K; Nathan, S (Astronomical Society of India, 1998)
  • Development of cross-polarized log-periodic dipole antenna for low frequency radio spectral observations 
    Anshu Kumari (Indian Institute of Astrophysics, 2015-07)
    The solar coronal mass ejections (CMEs) play a direct and vital role in deciding the space weather, so it becomes inevitable to study their dynamical properties in the lower corona (i.e., over the radial distance range: ...
  • Development of Data Acquisition Methods for an FPGA-Based Photon Counting Detector 
    Ambily, S; Mayuresh, Sarpotdar; Mathew, J; Sreejith, A. G; Nirmal, K; Prakash, A; Safonova, M; Murthy, J (World Scientific Publishing Co., 2017-03)
    MCP-based detectors are widely used in the ultraviolet (UV) region due to their low noise levels, high sensitivity and good spatial and temporal resolution. We have developed a compact near-UV (NUV) detector for highaltitude ...
  • Development of detectors for space missions and balloon flights 
    Ambily, S (Indian Institute of Astrophysics, 2018-11)
    We are developing compact astronomical payloads for ultraviolet (UV) observations from CubeSats and high altitude balloons. It is important to have a highly sensitive, low noise detector in the UV region where the ...
  • Development of High Resolution System for Stellar Imaging 
    Sreekanth Reddy, V (Indian Institute of Astrophysics, 2021-01)
    Adaptive Optics (AO) technology is a part of ground-based astronomical observatories around the world. It enables the telescopes to attain near diffraction-limited resolution. We have designed, developed and tested a ...
  • The development of HISPEC for Keck and MODHIS for TMT: science cases and predicted sensitivities 
    Konopacky, Quinn M; Baker, Ashley D; Mawet, Dimitri; Fitzgerald, Michael P; Jovanovic, Nemanja; Beichman, Charles; Ruane, Garreth; Bertz, Rob; Terada, Hiroshi; Dekany, Richard; Lingvay, Larry; Kassis, Marc; Anderson, David; Tamura, Motohide; Benneke, Bjorn; Beatty, Thomas; Do, Tuan; Nishiyama, Shogo; Plavchan, Peter; Wang, Jason; Wang, Ji; Burgasser, Adam; Ruffio, Jean-Baptiste; Zhang, Huihao; Brown, Aaron; Fucik, Jason; Gibbs, Aidan; Gibson, Rose; Halverson, Sam; Johnson, Christopher; Karkar, Sonia; Kotani, Takayuki; Kress, Evan; Leifer, Stephanie; Magnone, Kenneth; Maire, Jerome; Pahuja, Rishi; Porter, Michael; Roberts, Mitsuko; Sappey, Ben; Thorne, Jim; Wang, Eric; Artigau, Etienne; Blake, Geoffrey A; Canalizo, Gabriela; Chen, Guo; Doppmann, Greg; Doyon, Rene; Dressing, Courtney; Fang, Min; Greene, Thomas; Herczeg, Greg; Hillenbrand, Lynne; Howard, Andrew; Kane, Stephen; Kataria, Tiffany; Kempton, Eliza; Knutson, Heather; Lafrenière, David; Liu, Chao; Metchev, Stanimir; Millar-Blanchaer, Max; Narita, Norio; Pandey, G; Rajaguru, S. P; Robertson, Paul; Salyk, Colette; Sato, Bun’ei; Schlawin, Evertt; Sengupta, S; Sivarani, T; Skidmore, Warren; Vasisht, Gautam; Yasui, Chikako; Zhang, Hui (SPIE-The International Society for Optical Engineering, 2023-10)
    HISPEC is a new, high-resolution near-infrared spectrograph being designed for the W.M. Keck II telescope. By offering single-shot, R 100,000 spectroscopy between 0.98 – 2.5 µm, HISPEC will enable spectroscopy of transiting ...
  • Development of image motion compensation system for 1.3m telescope at Vainu Bappu Observatory 
    Sreekanth Reddy, V; Banyal, R. K; Sridharan, R; Aishwarya, S (IOP Publishing, 2020-01-01)
    We developed a tip-tilt system to compensate the turbulence induced image motion for the 1.3 m telescope at Vainu Bappu Observatory, at Kavalur. The instrument is designed to operate at the visible wavelength band (480−700 ...
  • Development of Image Stabilization System for the Kodaikanal Tower Telescope 
    Shanti Prabha, C (Indian Institute of Astrophysics, 2018-07)
    This M. Tech. project is a part of IIA’s internal project of developing and demonstrating a solar adaptive optics system. The Earth’s turbulent atmosphere distorts the light wave-fronts passing through it and thus impairs ...
  • Development of instruments for astronomical site characterization and their application 
    Tarun Kumar Sharma (Indian Institute of Astrophysics, 2016)
    Before setting up any large observational facility, selection of a suitable site is an important task. It requires a variety of site survey instruments, which helps to carry out a detailed comparative study of candidate ...
  • Development of Pancanga from vedic times upto the present 
    Sharma, S. D (Astronomical Society of India, 1998)
  • Development of Polishing Procedure for Producing Highly Specularly Reflecting Surface for Sun Shield Panels of INSAT II TS VHRR Radiant Cooler 
    Saxena, A. K (Indian Institute of Astrophysics, Bangalore, 1991)
    VIRR Radient Cooler used for cooling of infrared detector of VHRR instrument onboard INDIAN NATIONAL SATELLITE [INSAT II] is being developed at Thermal Systems Division of ISAC/ISRO, Bangalore. This development work is ...
  • Development of Precision Controller for Thirty Meter Telescope Actuator 
    Prasanna Deshmukh (Indian Institute of Astrophysics, 2013-08)
    The Thirty Meter Telescope (TMT) mirror segment actuator is a soft actuator designed by Jet Propulsion Laboratory (JPL), Pasadena USA. As a part of India‟s in-kind contribution, all required 1600 actuators will be ...
  • Development of radio antenna array and receiver system for observations of Pulsars at Low Radio Frequencies 
    Bane Kshitij, Suhas Trupti (Indian Institute of Astrophysics, 2019-06)
    A pulsar is a highly magnetized rapidly rotating neutron star. Weighing more than our Sun, yet only about 20 km in diameter, these incredibly dense objects produce radio beams that sweep the sky like a lighthouse. Pulsars ...
  • Development of SHABAR for estimating atmospheric scintillation 
    Phanindra, D. V. S (Indian Institute of Astrophysics, 2014-08)
    Electromagnetic radiation from Sun and stars suffers from the turbulence in earth atmosphere. The turbulence changes the complex refractive index of air which in turn modifies the electromagnetic signal. This condition is ...
  • Development of Solar Differential Image Motion Monitor at IIA, for the NLST site characterization program 
    Hasan, S. S; Saxena, A. K; Bagare, S. P; Samson, J. P. A; Ismail, M. M; Rajendra, B. S; Aditya, T; Jabilullah, R. I; Tsewang, D (Indian Institute of Astrophysics, 2010)
    The Indian Institute of Astrophysics is planning to setup a 2 m National Large Solar Telescope (NLST) in India. In view of this, a site survey program was initiated. A Solar Differential Image Motion Monitor (SDIMM) unit ...
  • Development of Spectrograph in FUV region for a possible ISRO flight 
    Jadhav, Sujay Vijay (Indian Institute of Astrophysics, 2021-07)
    The FUV (900-1800 Å) is the richest part of the spectrum in terms of emission lines – O VI (1032/1038 Å) and C IV (1548/1550 Å) from hot gas, C III (977 Å) and N III (1750 Å) from warm gas, and the Lyman and Werner bands ...
  • Development of sunshield panels for passive radiant cooler on board meteorological instruments of ISRO 
    Madhu Prasad; Akkimaradi, B. S; Santram; Selvan, T; Subramanya; Rastogi, S. C; Badrinarayana, K; Bhandari, D. R; Sugumar, M; Mallesh, B; Rajam, K. S; Indira Rajgopalan; Grips, V. K. W; Balaraju, J. N; Saxena, A. K; Ismail Jabilullah, R; Viswanathan, M; Shanbhog, G (2009)
    Radiant cooler is used to cool the infrared and water vapour detectors of meteorological payload. It consists of patch (cold stage) on which detector is mounted, intermediate cooling stage radiator, vacuum housing to enclose ...
  • The development of technology for vacuum ultraviolet plane grating monochromator to be used with XUV synchrotron source of INDUS I 
    Saxena, A. K; Cowsik, R (SPIE The International Society for Optical Engineering., 1997)
    The plane grating monochromator is to be used with the 480MeV (lambda(c)=61 Angstrom) consists of a, plane grating, plane minor (500mmx50mm) and an ellipsoidal mirror (300mmx50mm, & semi-major axis 39935.7mm, semi-minor ...

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