1. Experimental and simulation studies on useful life of low power LED illumination sources

   • P. R. Yawale
   • A. D. Shaligram

   Research Article 26 November 2011 Pages: 143 - 149

   

2. Correlating Indian measured sky luminance distribution and Indian Design clear sky model with five CIE Standard clear sky models

   • Sutapa Mukherjee
   • Biswanath Roy

   Research Article 29 November 2011 Pages: 150 - 161

   

3. Tooth shaped grating assisted geometry for two mode interference (TMI) coupler

   • Bidyut Deka
   • P. P. Sahu

   Research Article 17 December 2011 Pages: 162 - 167

   

4. Closed-form sag solutions for Cartesian oval surfaces

   • Chun-Che Hsueh
   • Tamer Elazhary
   • Jose Sasian

   Research Article 29 December 2011 Pages: 168 - 175

   

5. Red-Green-Blue wavelength interferometry and TV holography for surface metrology

   • U. Paul Kumar
   • N. Krishna Mohan
   • M. P. Kothiyal

   Research Article 06 December 2011 Pages: 176 - 183

   

6. Comparative study of time average and stroboscopic illumination techniques for vibration fringe analysis

   • U. Paul Kumar
   • U. Somasundaram
   • M. P. Kothiyal

   Research Article 02 December 2011 Pages: 184 - 192

   

7. Preparation and study of nonlinear optical response of Ag and Au nano particles doped PVA/PVP thin films

   • P. Sudheesh
   • K. N. Sharafudeen
   • K. Chandrasekharan

   Research Article 06 December 2011 Pages: 193 - 197

   

8. The effect of broadband illumination on the imaging characteristics of a birefringent lens suffering from primary spherical aberration

   • Surajit Mandal
   • Ajay Ghosh

   Research Article 06 December 2011 Pages: 198 - 205

   

9. Three dimensional optical cage formed by TEM₀₁ mode radially polarized Laguerre-Gaussian beam

   • Hanming Guo
   • Xiaoyu Weng
   • Songlin Zhuang

   Research Article 29 November 2011 Pages: 206 - 212