Lining up the beam from your homebrew (or retrofitted) laser cutter doesn’t come without its challenges. For instance, how do I use my remaining eye to align an invisible beam that has enough power to ...

With the exciting process of deployment complete, the James Webb Space Telescope team is now embarking on their next challenge: Aligning the telescope’s mirror segments. This slow, months-long process ...

In high-precision optical systems, alignment isn’t optional; it’s essential. Even minor shifts can impact performance, especially in spectroscopy, where lasers must be precisely focused to detect ...