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Refractive optical elements that exhibit minimal structural resolution yet have a numerical aperture of up to 0.7 and efficiency approaching 100% can be fabricated using economical lithographic methods.

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Beam transformation with customized optical distribution (without speckle generation) of a defined incident beam profile of arbitrary quality.

The CT RAD™ (Rapid Aiming Dot) Electronic Sight is a full-size Open Reflex Sight for full frame pistols. Featuring a red 3 MOA aiming dot, the CT RAD™ has a recessed and fully multi-coated lens with a large quick acquisition window. The CT RAD™ comes with an AUTO Shutoff Function that automatically shuts off after 8 consecutive hours of operation to conserve battery life and a manual ON/OFF Function that allows you to turn on or off the sight by using the side brightness buttons. The CT RAD™ is easily installed on an optics cut slide using the CT RAD™ footprint that is also compatible with the Docter® footprint. Textured sides allow for a secure grip when racking the slide.

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Correction or modulation of the wavefront to enhance contrast in imaging systems, to generate specific focal geometries, and to reconstruct high-resolution 3D images in high-resolution microscopy.

Crimson Trace is proud to introduce an all-new comprehensive family of red dot sights. The CT RAD family (Rapid Aiming Dots) brings 10 best-in-class micro, full-size, and carbine/shotgun red dots to elevate your confidence in the moments that matter. Boasting red and green aiming dot options, you can find premium features such as the CT Radiant ambient light sensor and CT Motion shake-to-wake function in several offerings. The CT RAD has been engineered and tested to withstand the harshest surroundings and conditions, because for Crimson Trace, Failure is Not an Option.

From regular periodic micro-lens arrays to randomized continuous phase profiles, Advanced Optical Technologies, Band 4, Heft 1, Seiten 47–61, eISSN 2192-8584, ISSN 2192-8576, DOI:https://doi.org/10.1515/aot-2014-0062

Refractive optical elements (ROEs) refract light thanks to microstructured surfaces and functionally resemble familiar conventional lenses and prisms. Thanks to the extreme miniaturization of corresponding functionalities of refractive macro optics, ROE enable very compact, lightweight and elegant, optical solutions.

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Beam homogenization for any incoming beam geometry with high homogeneity and high efficiency for a wide range of wavelengths (for white light, if applicable). Microlens arrays enable highly efficient applications in LED and laser lighting.

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The smooth surface without cracks of the optical elements combined with an optimized optics design, which takes the input conditions into account, leads to a very high optical efficiency (90%), which can be increased with an adapted anti-reflective coating.

The refractive optical elements do not contain any cracks and show refractive property, which is very suitable from polychromatic to achromatic applications. Unlike diffractive optical elements, the refractive optical elements with their "smooth" surface profile shapes produce higher efficiency with no zero diffraction order.

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Refractive micro-optical elements miniaturize well-known conventional macro-optics. The functional definition is largely based on their surface topography profile. The asymmetrical profiles have flexible and high optical functionalities. They are combined with a high level of efficiency, a wide angular spectrum and a high degree of homogeneity.

The refractive optical elements do not contain any cracks and show a refractive mode of action. Unlike diffractive optical elements, the refractive optical elements with their "smooth" surface profile shapes produce higher efficiency with no zero diffraction order.

Highly specific and controlled intensity distribution (symmetric and asymmetric) with maximum efficiency and low scattered light for partial, incoherent, monochromatic or white light. Micro-optical diffusers optimize your LED and laser lighting applications.

Wave-optical consideration of the structural properties produces higher flexibility in the addressed intensity angle spectrum and allows the generation of almost any angular distribution.