10 Papers
27 Citations
Nimish Dixit is an academic researcher from Instruments Research and Development Establishment. The author has contributed to research in topics: Grating & Terahertz radiation. The author has an hindex of 1, co-authored 5 publications.
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Papers
High repetition rate mid-infrared generation with singly resonant optical parametric oscillator using multi-grating periodically poled MgO:LiNbO3
TL;DR: In this article, a high repetition rate mid-infrared singly resonant optical parametric oscillator (OPO) using MgO-doped multi-grating periodically poled LiNbO3 (MgO:PPLN) is demonstrated.
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Spectroscopic and imaging considerations ofTHz-TDS and ULF-Raman techniques towardspractical security applications
Khushboo Singh,Uzair Aalam,ajay mishra,Nimish Dixit,Aparajita Bandyopadhyay,Amartya Sengupta +5 more
TL;DR: This study employs THz-TDS and ULF-Raman spectroscopy to characterize and identify nitrogen-based high-energy organic compounds, enabling rapid and accurate detection through non-destructive and non-contact methods for enhanced security applications.
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Electrical Characterization of Plasma-Assisted Electron Beam Source With Sub-mm Sheet Aperture
Anand Abhishek,N. Kumar,.. Vishant,B. L. Meena,Sahil Jain,Shriganesh S. Prabhu,Ajay K. Mishra,Nimish Dixit,Sudhir Khare +8 more
TL;DR: In this paper , the electrical characterization of a plasma-assisted electron beam source with a sub-mm sheet aperture has been performed, which comprises a hollow cathode cavity, two floating anodes, and one ground potential anode with a sheet aperture of $1.5\times 0.3$ <
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Standoff Detection of Metallic Objects Using THz Waves
Nimish Dixit,Ajay Mishra +1 more
- 01 Jan 2021
TL;DR: In this article, a 2.7 THz quantum cascade laser (QCL) has been used as a source of THz photons to image metallic objects using an uncooled microbolometer camera.
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Comparative analysis of tunable terahertz generation in DAST and BNA using difference frequency mixing
Maria Farooqui,Maria Farooqui,Nimish Dixit,Ajay Mishra,Vijay Kumar,Ashok N. Kaul,Ankita Gupta +6 more
TL;DR: In this article, numerical analysis has been carried out to study the tunable terahertz (THz) generation in DAST (4N, N-dimethylamino-4′-N′-methyl-stilbazoliumtoyslate) and BNA (N-Benzyl-2-Methyl-4-Nitroanaline) using difference frequency generation (DFG) between the two optical beams, which can be generated from dual signal wavelength optical parametric oscillator (DSW-OPO) pumped by a single suitable
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