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Browsing by Author "Dharmadhikari, Radhika"

Browsing by Author "Dharmadhikari, Radhika"

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  • Building a large affordable optical-NIR telescope (I): an alternate way to handle segmented primary mirror 
    Dharmadhikari, Radhika; Parihar, P; Jacob, A (Springer Nature, 2023-12)
    The use of innovative ideas and the latest technology have undoubtedly brought down telescope costs substantially. However, there are still ways to further reduce the cost of optical ground-based telescopes and make them ...
  • Design and development of a mirror support system for prototype segmented mirror telescope 
    Govinda, K. V; Parihar, P. S; Kemkar, P. M. M; Goudar, Abhishek; Sandeep, D. S; Muthahar, R. Mohammed; Sagayanathan, K; Dharmadhikari, Radhika; Divya, P. H (SPIE-The International Society for Optical Engineering, 2022-08)
    The segment support system of any segmented mirror telescope is considered to be one of the most critical subsystem. The segment support not only holds the mirror without altering its figure, but also features mechanism ...
  • Study on phasing of segmented mirrors using the dispersed fringe technique 
    Dharmadhikari, Radhika (Indian Institute of Astrophysics, 2020-07)
    The segmented mirror technology is being extensively used these days in astronomical telescopes, in order to achieve higher resolution and sensitivity with lower manufacturing costs. To make the segments work like a ...
  • Study on segmentation and alignment related effects in a 10m class telescope 
    Jacob, A; Parihar, P. S; James, Melvin K; Dharmadhikari, Radhika (SPIE-The International Society for Optical Engineering, 2022-08)
    Indian astronomers are aiming to build a large 10m class optical-NIR telescope, equipped with state-of art instruments. After exploring many potential design options, we ended up with two mirror Ritchey-Chretien (RC) type ...

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