Browsing by Issue Date

Browsing by Issue Date

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  • Gangi Reddy, Salla; Chithrabhanu, P.; Prabhakar, Shashi; Aadhi, A.; Singh, Ravindra P. (Indian Institute of Technology, Kharagpur, 2014-12)
    We experimentally demonstrate that the vorticity of light remains preserved even after scattering through a ground glass plate. It shows the robustness of optical vortices along with conservation of orbital angular ...
  • Apurv Chaitanya, N.; Aadhi, A.; Jabir, M. V.; Kumar, Vinayak; Singh, Ravindra P.; Samanta, Goutam Kumar (Indian Institute of Technology, Kharagpur, 2014-12)
  • Gangi Reddy, Salla; Prabhakar, Shashi; Ali, Anwar M. A.; Banerji, Jagannath; Singh, Ravindra P. (Indian Institute of Technology Kharagpur, 2014-12)
    We model scattered optical vortices as partially coherent optical vortices (PCOV) as well as Laguerre Gaussian Schell Model beams. A comparison with our experimental results shows the validity of modelling them as PCOV beams
  • Mondal, Tanmoy; Basak, Tanushree (DAE-BRNS High Energy Physics Symposium, 2014-12)
    From astronomical observations, we know that dark matter exists and makes up ∼25 % of our Universe. Recently the study of anomalous gamma-ray emission in the regions surrounding the galactic center has drawn a lot of ...
  • Aadhi, A.; Apurv Chaitanya, N.; Singh, Ravindra P.; Samanta, Goutam Kumar (IIT Kharagpur, 2014-12)
    We report on all periodically-poled crystals based singly-resonant optical parametric oscillator (SRO) generating continuous-wave, single-frequency, tunable UV radiation with maximum output power of 336mW in 18.5 MHz ...
  • Prabhakar, Shashi; Salla, Gangi Reddy; Ali, Anwar M. A.; Singh, Ravindra P. (The optical society, 2014-12)
    Optical vortices, although being classical, have properties of two-mode entanglement present in quantum states. We have experimentally verified the violation of Bell's inequality using Wigner distribution function for such beams.
  • Chithrabhanu, P.; Aadhi, A.; Gangi Reddy, Salla; Prabhakar, Shashi; Singh, Ravindra P. (Indian Institute of Technology Kharagpur, 2014-12)
    We construct Poincar´e sphere for orbital angular momentum (OAM) states for coherent and partially coherent light beams using a non-separable state generated with modified Sagnac interferometer and a random scatterer.

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