Ashok Kumar

Higher order optical vortices and formation of speckles

Salla Gangi Reddy, Shashi Prabhakar, Ashok Kumar et al. · Optics Letters · 2014 · 71 citations

Photonics, Photometry, Engineering +14

Revealing the order of a vortex through its intensity record

Shashi Prabhakar, Ashok Kumar, J. Banerji et al. · Optics Letters · 2011 · 58 citations

Geophysics, Optical Vortices, Vortex Dynamics +13

Crafting the core asymmetry to lift the degeneracy of optical vortices

Ashok Kumar, Pravin Vaity, R. P. Singh · Optics Express · 2011 · 46 citations · Full text

Engineering, Fluid Mechanics, Holographic Method +16

A novel approach for realization of primary vibration calibration standard by homodyne laser interferometer in frequency range of 0.1Hz to 20kHz

Naveen Garg, Omkar Sharma, Ashok Kumar et al. · Measurement · 2012 · 43 citations

Frequency Range, Vibrations, Homodyne Laser Interferometer +10

Observation of spatial quantum correlations in the macroscopic regime

Ashok Kumar, Hayden Nunley, Alberto M. Marino · Physical review. A/Physical review, A · 2017 · 40 citations · Full text