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Optical Filter Construction

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Optical Filter Construction

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The diverse nature of optical elements provides the designer with significant flexibility in the development of an optical system design. The basic functions which optical elements perform include protecting the system from damage, defining the image intensity and quality of the optical system, and filtering the total system energy to isolate the desired spectral signature.Optical Filters can be manufactured in many physical forms. Filtering coatings can be deposited on exterior windows of optical systems or on geometrical optics within the optical system. Complex filter coatings can be deposited on a single substrate or deposited on several separate substrates and laminated together to form a single element.

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