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 MediaPRODUCTSPhotonics Spectra April 2023 IssueHolographic Notch FiltersMETA® holoOPTIX® Notch Filters from Edmund Optics Inc. and Meta Materials Inc. are large, flexible holographic notch filters. 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