| Patent Number |
Title Of Patent |
Date Issued |
| 7324280 |
Apparatus for providing a pattern of polarization |
January 29, 2008 |
| A polarization pattern assembly produces a polarization pattern. In an embodiment, a polarization pattern assembly includes a frame that supports a polarization pane in a central region of the frame. The polarization pane changes the polarization direction of light incident upon the |
| 7321605 |
Helical optical pulse stretcher |
January 22, 2008 |
| A pulse stretcher includes a single pass pulse stretcher. An optical system is arranged around the single pass pulse stretcher. A beam enters the single pass stretcher and is reflected in a helical path using the optical system for multiple passes through the single pass pulse stretc |
| 7304719 |
Patterned grid element polarizer |
December 4, 2007 |
| The invention relates to a patterned grid polarizer for use in lithography, comprising a substrate that is transparent to ultraviolet (UV) light; and an array of elements patterned on the substrate, wherein the elements polarize UV light. The array of elements can be patterned to pro |
| 7084959 |
Compact pulse stretcher |
August 1, 2006 |
| A pulse stretcher includes a first prism and a second prism positioned opposite each other. A first coupling prism is optically coupled to the first prism with a partially reflective interface that directs a beam towards the second prism in a helical path. The first prism and the first |
