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■Reflective / Replica Grating ■Less stray light than blazed diffraction gratings, functioning over a wide wavelength range For the product lineup, specifications, and sales prices of standard products, please refer to the relevant product page on the official website of Edmund Optics Japan Co., Ltd. (You can access it from the product homepage linked above). *You can download the 'Optical Components & Optical Instruments Comprehensive Catalog <Sample Version>' from Edmund Optics Japan below.
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basic information
The master product of the holographic diffraction grating is created by recording interference fringes generated by two laser light sources onto a photoresist. This product is a replica, where the grating shape of the master product is transferred onto an epoxy resin coated on a glass substrate, and a reflective metal film is applied to the surface to create a reflective diffraction grating. Unlike blazed diffraction gratings, which have a sawtooth grating shape, holographic diffraction gratings have a sinusoidal grating shape (however, some holographic diffraction gratings are specially manufactured with a rounded sawtooth grating shape). Since this grating shape is created optically, the accuracy of the grating shape and the precision of the grating frequency far exceed those of blazed diffraction gratings. Therefore, there is a characteristic feature that the occurrence of stray light (ghost images), which is a concern when using blazed diffraction gratings, is almost nonexistent. *You can download the "Optical Components & Optical Instruments Comprehensive Catalog <Sample Version>" from Edmund Optics Japan below.
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Applications/Examples of results
Edmund Optics (EO) is a leading company in optical components, imaging, and photonics technology. It supports markets worldwide, including R&D, electronics, semiconductors, pharmaceuticals, and biomedical fields. EO's products are used in a wide range of applications, from DNA analysis and retinal-based personal identification to high-speed FA applications. With the integration of EO's latest manufacturing capabilities and global logistics network, it is recognized in the market as the No. 1 supplier of optical components available for stock sale. Japanese customers are served by the local subsidiary, Edmund Optics Japan, Inc.
Company information
Edmund Optics is a photonics and imaging company that has been manufacturing and supplying precision optical components and subassemblies to industries worldwide since its founding in 1942. In addition to the design and manufacture of a wide range of optical components, imaging systems, and optomechanical devices, Edmund Optics also supports OEM applications through the mass production of both stock items and custom products.
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