Request InfoEdmund Optics Inc.BARRINGTON, N.J., Feb. 18, 2011 — For medical research, measurement and alignment applications, Edmund Optics has unveiled its new planoconvex (PCX) axicons. The lenses feature one conical surface and one plano surface and are used to produce a nondiffractive ring-shaped beam that increases in diameter over distance, while retaining a constant ring thickness. When PCX axicons are used in conjunction with a collimated Gaussian beam, they create an approximation of a Bessel beam. They are suited for use in laser drilling and optical coherence tomography applications. 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