i am working as a research scholar in physics department. i need optical properties of silicon especially obsertivity and reflectivity of silicon at the wave lenth of 10.6 nm. please help me. thank you by r.jagdheesh research scholar physics department regional engineering college trichirapalli tamil nadu india -620015 __________________________________________________ Do You Yahoo!? Thousands of Stores. Millions of Products. All in one Place. http://shopping.yahoo.com/