Request InfoEdmund Optics Inc.Edmund Optics has released Plano-Concave (PCV) Axicons, specialized conical prisms featuring one concave conical surface and one plano surface, which are suitable for measurement and alignment, research, and medical and life sciences applications that require a ring-shaped laser output. In laser materials processing, the PCV Axicons generate a ring-shaped image along the optical axis and create a nondiffractive approximation of a Bessel beam. When the PCV Axicons are used with Plano-Convex Axicons, the diameter of the Bessel beam can be controlled by the separation between them, a...See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Jul/Aug 2023 IssueVCSEL Laser DiodeThe single-mode 850-nm vertical-cavity surface-emitting laser (VCSEL) diode from IMM Photonics GmbH is contained in a compact TO46 housing. 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