Request InfoGraticules Optics Ltd.Graticules has over 75 years’ experience in manufacturing precision apertures on glass and metal foil. Applications include spectrometer entrance slits, MTF testing, thermal imaging resolution charts, ICP-OES slits, and optical stops. Multiple apertures can also be made, and we can even mount and align them. A new website dedicated to aperture products has been launched: www.graticulesapertures.com.See full productRelated content from Photonics MediaPRODUCTSPhotonics Showcase November 2023 IssueCustom Optical Flow CellThis unique cell is a challenge for most but not for us at Spectrocell. Because of its use in a high-radiation environment, this cell required special construction using fused silica with minimal...Photonics Spectra October 2023 IssueFiber-coupled LED SourcesNewDEL™ fiber-coupled LED sources from LumeDEL LLC offer high brightness from the deep-UV to NIR for medical, biotech, and industrial applications. 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