1. Comparison of Faraday Effect in Imported and Indigenous Magneto-optic Materials

   • G. V. Bankar
   • Venu Nair
   • C. N. Reddy

   OriginalPaper 01 June 1978 Pages: 21 - 26

2. Binary Apodizers - an Experimental Study

   • M. De
   • L. N. Hazra
   • P. C. Kundu

   OriginalPaper 01 June 1978 Pages: 28 - 31

3. Defocussed Diffraction Images of Coherently Illuminated Phase Gratings

   • B. S. Sarma
   • P. K. Mondal

   OriginalPaper 01 June 1978 Pages: 32 - 35

4. On The Fraunhofer Diffraction at Semi Circular Aperture

   • J. Sethuraman
   • R. S. Sirohi

   OriginalPaper 01 June 1978 Pages: 36 - 37