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Optical design of a direct fibre-fed MO-IFS for the NLOT
Nitish Singh, S. Sriram, Totan Chand +3
The initial optical design and performance analysis of a dual-channel fibre-fed Multi-Object Integral Field spectrograph (Mo-IFS) being designed for a future National Large Optical…
Design and Development of a Lab Prototype of a Fiber-Based Integral Field Spectrograph
Nitish Singh, S Sriram, Jurgen Schmoll +1
Integral Field Spectroscopy provides simultaneous spatial and spectral information, making it a powerful technique for studying both point like and extended astronomical sources. A…
Design of a three-lens wide field corrector with aspherical surfaces for the 2.34-m VBT
Nitish Singh, S. Sriram, Bharat Kumar Yerra
We are developing a compact three-element Wide Field Corrector (WFC) with spherical and aspherical lenses for the 2.34 m Vainu Bappu Telescope (VBT) to enhance its field coverage f…
Theoretical Analysis of Fiber Arrangements for Improved Coupling Efficiency in the VBT High-Resolution Echelle Spectrograph
Nitish Singh, S. Sriram, Bharat Kumar Yerra +1
In fiber-based spectroscopy within telescopes, a prevailing limitation has been the necessity to align the fiber diameter with the telescope's seeing conditions, often characterize…
Design for Enabling Echelle and OMR Spectrograph Observations for Point and Extended Sources on the Same Night at VBT
Nitish Singh, S. Sriram, Bharat Kumar Yerra +1
The 2.34m Vainu Bappu Telescope (VBT) is a reflecting telescope that operates in two modes, prime focus and cassegrain focus, and is equipped with two instruments. In prime focus m…