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  • Aadhi, A.; Apurv Chaitanya, N.; Jabir, M. V.; Vaity, Pravin; Singh, R. P.; Samanta, Goutam Kumar (Nature publishing group, 2016-05)
    Airy beam, a non-diffracting waveform, has peculiar properties of self-healing and self-acceleration. Due to such unique properties, the Airy beam finds many applications including curved plasma wave-guiding, micro-particle ...
  • Aadhi, A.; Apurv Chaitanya, N.; Jabir, M. V.; Singh, Ravindra P.; Samanta, Goutam Kumar (Optics InfoBase, 2015)
    We report on experimental demonstration of an all-periodically poled, continuous-wave (CW), high-power, single-frequency, ultra-violet (UV) source. Based on internal second-harmonic-generation (SHG) of a CW singly resonant ...
  • Apurv Chaitanya, N.; Jabir, M. V.; Samanta, Goutam Kumar (Springer, 2016-04)
    We report on efficient nonlinear generation of ultrafast, higher order "perfect" vortices at the green wavelength. Based on Fourier transformation of the higher order Bessel-Gauss (BG) beam generated through the combination ...
  • Apurv Chaitanya, N.; Aadhi, A.; Jabir, M. V.; Samanta, Goutam Kumar (OSA Publishing, 2015-06)
    We report on frequency-doubling characteristics of high-power, ultrafast optical vortex beams in a nonlinear medium. Based on single-pass second-harmonic generation (SHG) of optical vortices in 1.2 mm long bismuth triborate ...
  • Apurv Chaitanya, N.; Aadhi, A.; Jabir, M. V.; Samanta, Goutam Kumar (OSA Publishing, 2015-09)
    We report on the development of a high-power, high-repetition-rate, fiber laser based source of ultrafast ultraviolet (UV) radiation. Using single-pass second-harmonic generation and subsequent sum-frequency generation ...
  • Apurv Chaitanya, N.; Jabir, M. V.; Banerji, Jagannath; Samanta, Goutam Kumar (Nature Publishing Group, 2016-09)
    Hollow Gaussian beams (HGB) are a special class of doughnut shaped beams that do not carry orbital angular momentum (OAM). Such beams have a wide range of applications in many fields including atomic optics, bio-photonics, ...

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