Ministry of Education
Ashok Kumar
VIDWAN ID: 165374

Dr Ashok Kumar

Male Doctor of Philosophy
Associate Professor | Department of Physics
Indian Institute of Space Science and Technology, Thiruvananthapuram
Kerala
Expertise: Optics
ORCID 0000-0001-6471-6946 Scopus 59471824600 ResearcherID GDD-6306-2022 Google Scholar ZnZbJJoAAAAJ
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77 Publications
0 Projects
804 Scopus Citations
753 CrossRef
7 Years 7 Months Total Experience
Publications
77 Total
Articles
57
Proceedings
20
Activity

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Scopus Scopus
804 Citations
18 h-index
CrossRef CrossRef
753 Citations
17 h-index
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Personal Details

Doctor of Philosophy
N/A
Associate Professor
Jul 2023 – Present
Indian Institute of Space Science and Technology, Thiruvananthapuram | Department of Physics
Assistant Professor
Feb 2019 – Jun 2023
Indian Institute of Space Science and Technology, Thiruvananthapuram
Physical Sciences
Optics

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Scholarly Work

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Scholarly Publications

Engineering the size of dark core of an optical vortex

Journal Article
Optics and Lasers in Engineering. Year: 2010. Volume: 48 , Issue: 3 , Pages: 276-281 .
Authors: Ashok Kumar; Pravin Vaity; Yedhu Krishna; R.P. Singh
DOI 10.1016/j.optlaseng.2009.11.009 Crossref Crossref: 31 Scopus Scopus: 35

Information content of optical vortex fields

Journal Article
Optics Letters. Year: 2011. Volume: 36 , Issue: 7 , Pages: 1161 .
Authors: Ashok Kumar; Shashi Prabhakar; Pravin Vaity; R. P. Singh
DOI 10.1364/OL.36.001161 Crossref Crossref: 23 Scopus Scopus: 26

Spatial distribution of Spontaneous Parametric Down-Converted Photons

Conference Paper
Year: 2012.
Authors: Prabhakar, S.; Reddy, G.; Aadhi, A.; Kumar, A.; Samanta, G.K.; Singh, R.P.

Topological aberration of phase singular light beams

Conference Paper
Year: 2012.
Authors: Kumar, A.; Vaity, P.; Prabhakar, S.; Singh, R.P.
Scopus Scopus: 1

Photon correlation spectroscopy: A comparative study of optical vortex and Gaussian beam

Journal Article
Year: 2011.

2-D Airy beams propagation through photorefractive materials

Conference Paper
Proceedings of SPIE. Year: 2011. Volume: 8173 , Pages: 81730N .
Authors: Vaity, P.; Kumar, A.; Prabhakar, S.; Singh, R.P.
DOI 10.1117/12.897797

Crafting the core asymmetry to lift the degeneracy of optical vortices

Journal Article
Optics Express. Year: 2011. Volume: 19 , Issue: 7 , Pages: 6182 .
Authors: Ashok Kumar; Pravin Vaity; R. P. Singh
DOI 10.1364/OE.19.006182 Crossref Crossref: 42 Scopus Scopus: 46

Experimental and theoretical investigation of loss of coherence on scattering of a beam with helical wavefront

Journal Article
Optics Communications. Year: 2011. Volume: 284 , Issue: 6 , Pages: 1510-1516 .
Authors: Ashok Kumar; R.P. Singh
DOI 10.1016/j.optcom.2010.11.066 Crossref Crossref: 3 Scopus Scopus: 3
Showing 1 to 8 of 77 publications