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The interference objective lens is used in differential interference microscopy, which enables non-contact optical three-dimensional measurement. It can examine the structural features of the surface of the specimen with extremely high precision, below the wavelength of light. A beam splitter is incorporated into the optical system, where part of the illuminating light passes through this element and directly illuminates the specimen, while the remaining illuminating light is reflected by this element and relayed to a reference mirror also incorporated into the optical system. The light reflected back from the specimen overlaps with the light reflected back from the reference mirror, forming an interference fringe pattern. The Epi Plan TI lens for the Michelson interference system has a relatively long working distance, a wide field of view, and a longer depth of focus, while the Epi Plan DI lens for the Mirau interference system is used for applications that require higher magnification or higher NA. *You can download the catalog from Edmund Optics Japan that features this product from the link below.
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basic information
■Objective lens for differential interference microscopy ■Forms non-contact three-dimensional images ■Designed for Michelson and Mirau interferometers ■Designed for imaging lenses with F=200mm For the product lineup, specifications, and sales prices of standard products, please visit the product page on the official website of Edmund Optics Japan Co., Ltd. (accessible from the product homepage link above). *You can download the catalog from Edmund Optics Japan that includes this product from the link below.
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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 to retinal biometric authentication and 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.
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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.