Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Kamalesh Nehra"'
Publikováno v:
2021 2nd International Conference on Range Technology (ICORT).
Present work illustrates a method of designing a low F-number optical system for tracking a long range point target by using cooled LWIR detector (640×512 with 15 µm pixel size). Initially, the three mirror system is optimized by using all mirrors
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed59d9e44c429d35f2cce9b63098e22b
https://doi.org/10.1109/icort52730.2021.9581528
https://doi.org/10.1109/icort52730.2021.9581528
Autor:
Venugopal Rao Soma, Sree Satya Bharati Moram, Kamalesh Nehra, Chandu Byram, Senthil Kumar Pandian
Publikováno v:
The Journal of Physical Chemistry C. 123:16210-16222
Surface roughness of metal nanoparticles (NPs) is well-known to play an important role in the quantitative analysis and performance of their surface-enhanced Raman scattering (SERS), but its analogous role in catalysis is not given the due credit yet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a57b92aac1a92b8c729ed136ec5f83ac
https://doi.org/10.1021/acs.jpcc.9b03086
https://doi.org/10.1021/acs.jpcc.9b03086
Publikováno v:
New Journal of Chemistry. 43:3835-3847
In the present work, we have effectively utilised the reducing/capping ability of polyvinylpyrrolidone (PVP, 40 000 molecular weight) for the versatile synthesis of various anisotropically shaped (hexagonal, triangle, decahedral and star) gold nanost
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f49283dafec009f047cd799bb8843c04
https://doi.org/10.1039/c8nj06206d
https://doi.org/10.1039/c8nj06206d
Publikováno v:
Springer Proceedings in Physics ISBN: 9789811592584
Present work describes a method of designing a compact unobscured three mirror anastigmat (TMA) optical system which is useful for high resolution imaging over wide spectral regions. Third order aberrations such as spherical, coma, astigmatism and fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73ed19daefba2cac8d3b194b961fea42
https://doi.org/10.1007/978-981-15-9259-1_170
https://doi.org/10.1007/978-981-15-9259-1_170
Publikováno v:
Springer Proceedings in Physics ISBN: 9789811592584
This paper presents a compact and low F-number off-axis three mirror anastigmatic (TMA) system which can be used for imaging applications over wide spectral bands ranging from ultraviolet (UV) to long wavelength infrared (LWIR). The proposed system e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b881eeda8f748a22a5c1f9d17e609536
https://doi.org/10.1007/978-981-15-9259-1_169
https://doi.org/10.1007/978-981-15-9259-1_169
Autor:
Moram Sree Sathya Bharathi, Chandu Byram, Kamalesh Nehra, P. Senthil Kumar, Soma Venugopal Rao
Publikováno v:
DAE SOLID STATE PHYSICS SYMPOSIUM 2019.
Surface-Enhanced Raman Scattering (SERS) performance of filter paper (FP) loaded with gold nanoparticles (Au NPs) of three different size/shapes (spherical, triangular and star) were investigated. Spherical Au NPs were synthesized using femtosecond l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::257e2654995e6165dd0adfcba293be8b
https://doi.org/10.1063/5.0016882
https://doi.org/10.1063/5.0016882
Autor:
P. Senthil Kumar, Kamalesh Nehra
Publikováno v:
Current Applied Physics. 18:1158-1170
In this present work, we have redesigned the well-known Turkevich protocol for promoting versatile galvanic replacement, resulting in the synthesis of hollow Au nanostructures by the sacrificial reduction of HAuCl4 on the as-prepared Ag nanoparticles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ccce6d6c90070d895211f9b1a8b3ed0
https://doi.org/10.1016/j.cap.2018.02.009
https://doi.org/10.1016/j.cap.2018.02.009
Autor:
P. Senthil Kumar, Kamalesh Nehra
Publikováno v:
Advanced Science Letters. 24:844-846
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baf8cc4696c91715ceeb23e6f985713f
https://doi.org/10.1166/asl.2018.10857
https://doi.org/10.1166/asl.2018.10857
Publikováno v:
Advanced Science Letters. 22:3860-3862
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e84cc59e3482bec91743d0e36dfcc32
https://doi.org/10.1166/asl.2016.8026
https://doi.org/10.1166/asl.2016.8026
Publikováno v:
AIP Conference Proceedings.
Modified Turkevich synthesis protocol has been effectively utilized in the mechanistic formation of monodisperse hollow gold nanostructures, by the careful addition of Au3+-ions to the as-prepared Ag nanoparticles, thus initiating the sequential galv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37f322ed426339d9962b7bd3b7c20169
https://doi.org/10.1063/1.4980344
https://doi.org/10.1063/1.4980344