A common optical instrument in a laser laboratory is a
Chapter 35, Problem 35.58(choose chapter or problem)
A common optical instrument in a laser laboratory is a beam expander. One type of beam expander is shown in FIGURE P35.29. The parallel rays of a laser beam of width w1 enter from the left. a. For what lens spacing d does a parallel laser beam exit from the right? b. What is the width w2 of the exiting laser beam?
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