As VCSELs and edge-emitting lasers empower new functionalities in handhelds, the automotive sector and elsewhere, it’s increasingly important to understand the differences between these laser options.
IMAGE OF THE WEEK
This SEM image is the center of a resolution test for optical lithography (ultraviolet) using vacuum contact. While the straight lines were lost at the submicron scale of the pattern’s center, a beautiful interference pattern was created. [Honorable mention, 2018 After Image photo contest.]
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