title: Alignment-insensitive technique for wideband tuning of an unmodified semiconductor laser.
abstract: Using simple optical components and an unmodified commercial semiconductor laser, a frequency-selective self-aligning optical-feedback technique has been devised that allows a semiconductor laser to be tuned to and scanned about any optical frequency within the laser gain curve. This technique employs a graded-index rod lens cat's eye and an intracavity étalon.
authors.forename: B E
authors.initials: BE
authors.lastname: Bernacki
authors.forename: P R
authors.initials: PR
authors.lastname: Hemmer
authors.forename: S P
authors.initials: SP
authors.lastname: Smith
authors.forename: S
authors.initials: S
authors.lastname: Ezekiel