1. Fraunhofer Diffraction of Gaussian Beam at a Straight Edge

   • J. Sethuraman
   • R. S. Sirohi

   OriginalPaper 01 June 1979 Pages: 29 - 35

2. Scattering of Sunlight in the Terrestrial Atmosphere

   • M. Chandra

   OriginalPaper 01 June 1979 Pages: 36 - 40

3. An Airborne Dust Pollution Monitor

   • R. P. Das
   • A. K. Datta

   OriginalPaper 01 June 1979 Pages: 41 - 43

4. Applitude Correlation Method For The Measurement of Optical Polarization

   • J. P. Dudeja
   • S. Chopra

   OriginalPaper 01 June 1979 Pages: 44 - 47