v4.1
• Now works on 10.6.x and 10.7.x
• Printing, in the form of a detailed calculation summary
• New optical elements: gaussian ducts
• Significant performance improvements, especially for large setups with many elements
• User can choose calculations performed before or after optical elements
• When drag-positioning elements, if multiple elements are selected, they move together.
• Preferences for laser color, default property values, number of sampling points for graphs
• Slightly modified file format, automatically converted from prior version
