D. P. Chhachhia

Concealed moiré pattern encoded security holograms readable by a key hologram

A. K. Aggarwal, Sushil K. Kaura, D. P. Chhachhia et al. · Optics & Laser Technology · 2005 · 38 citations

Holography, Engineering, Moiré Pattern +4

Knife-edge diffraction pattern as an interference phenomenon: An experimental reality

Raj Kumar, Sushil K. Kaura, Amit Kumar Sharma et al. · Optics & Laser Technology · 2005 · 32 citations

Photonics, Engineering, Physics +8

Direct visualization of Young’s boundary diffraction wave

Raj Kumar, Sushil K. Kaura, D. P. Chhachhia et al. · Optics Communications · 2007 · 20 citations

Engineering, Physics, Microscopy +6

Encoded reference wave security holograms with enhanced features

A. K. Aggarwal, Sushil K. Kaura, D. P. Chhachhia et al. · Journal of Optics A Pure and Applied Optics · 2004 · 15 citations

Folding mirror schlieren diffraction interferometer

Raj Kumar, D. P. Chhachhia, A. K. Aggarwal · Applied Optics · 2006 · 15 citations

Engineering, Reference Beam, Physics +15