Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Sudipta K. Bera"'
Autor:
Rameshwar Adhikari, Sudipta K. Bera, Dipanjan Ghosh, Ayan Banerjee, Rajesh Singh, Shuvojit Paul, Avijit Kundu
Publikováno v:
Scientific Reports
Bayesian inference provides a principled way of estimating the parameters of a stochastic process that is observed discretely in time. The overdamped Brownian motion of a particle confined in an optical trap is generally modelled by the Ornstein-Uhle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b49f9eb6a62af7b21ef9a41417847f13
Autor:
Subrat K. Barik, Sudipta K. Bera
Publikováno v:
Applied Mechanics and Materials. :5437-5441
The polycrystalline sample of (BiLi) 1/2 (FeV) 1/2O3 was prepared by a high-temperature solid-state reaction technique. A preliminary X-ray structural analysis exhibited the formation of single-phase compound with an orthorhombic structure. Detailed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd1c57d8925b4a33b6bae696d57d6914
https://doi.org/10.4028/www.scientific.net/amm.110-116.5437
https://doi.org/10.4028/www.scientific.net/amm.110-116.5437
Publikováno v:
13th International Conference on Fiber Optics and Photonics.
Photophoretic forces [1] have opened a new vista in the optical trapping of absorbing mesoscopic particles in air, as these forces, having a thermal origin, are almost four orders of magnitude higher than optical radiation pressure or dipole forces,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c44565aa5fd316156c04bfd7c253aba
https://doi.org/10.1364/photonics.2016.tu5g.2
https://doi.org/10.1364/photonics.2016.tu5g.2
Publikováno v:
SPIE Proceedings.
Asymmetric particles, such as biological cells, often experience torque under optical tweezers. The cause is believed to be either birefringence or unbalanced scattering forces. The estimate of torque relies on the accurate measurement of rotational
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36336a39336f87e3c85a6f5d513c35d1
https://doi.org/10.1117/12.2191125
https://doi.org/10.1117/12.2191125
Publikováno v:
Journal of Optics. 19:12LT02
We develop an optical tweezers system using a single dual-mode optical fiber where mesoscopic absorbing particles can be trapped in three dimensions and manipulated employing photophoretic forces. We generate a superposition of fundamental and first
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6348268b1c95201157bb80a870bb13d0
https://doi.org/10.1088/2040-8986/aa9296
https://doi.org/10.1088/2040-8986/aa9296
Publikováno v:
Optics Letters. 41:4356
We trap absorbing micro-particles in air by photophoretic forces generated using a single loosely focused Gaussian trapping beam. We measure a component of the radial Brownian motion of a trapped particle cluster and determine the power spectral dens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::552bbde4193ec7ae40fecdc99f6b826e
https://doi.org/10.1364/ol.41.004356
https://doi.org/10.1364/ol.41.004356
Publikováno v:
Scopus-Elsevier
The quantitative polarimetry of localized surface plasmon resonance yields novel geometry dependent spectral characteristics of polarimetric parameters indicating possible applications in high accuracy sensing.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7be43a97d72b2791cbfe50f898d8df9f
https://doi.org/10.1364/fio.2012.ftu3a.47
https://doi.org/10.1364/fio.2012.ftu3a.47
Publikováno v:
Optics Letters. 39:3316
We describe a simple yet powerful technique of simultaneously measuring both translational and rotational motion of mesoscopic particles in optical tweezers by measuring the backscattered intensity on a quadrant photodiode (QPD). While the measuremen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbfd44a96515f183f3f70366b63906d2
https://doi.org/10.1364/ol.39.003316
https://doi.org/10.1364/ol.39.003316