Reflective laser beam expander. Four models are offered.

Reflective laser beam expander. Jul 2, 2021 · Does it matter whether a beam expander or reducer has a Keplerian or Galilean design? The design of the beam expander or reducer does not always matter to the application, but the choice can be influenced by factors such as the easier alignment and more intuitive design of the Keplerian devices and the compact dimensions of the Galilean devices. All beam expanders feature AOS world-class quality aspheric optics and precision alignment mechanics. These use mirrors instead of lenses, reducing thermal effects and parasitic reflections. Mirror-based beam expanders, offering either expansion or reduction. Telescopic beam expanders include refracting and reflective telescopes. Reflective beam expanders are modified Cassegrain and Gregorian mirror systems. To view Model specifications, click Catalog For applications involving very high laser powers, reflective beam expanders are preferred. What is a Beam Expander? Laser beam expanders increase the diameter of a collimated input beam to a larger collimated output beam for applications such as laser scanning, interferometry, and remote sensing. Build your beam expander from AOS standard mount products or ask us to produce a custom product to your requirements. Reflective beam expanders exhibit significant utility in applications requiring broadband or achromatic beam expansion, accommodating a wide spectrum of light sources. 2X, 4X, and 6X Options Chromatic Compensation Provided by Spherical Mirrors High Transmission from 450 nm to 20 μm Max Input Beam Diameter (1/e 2) of 3 mm for Diffraction-Limited Performance Thorlabs' Reflective Beam Expanders use a pair of prealigned protected-silver-coated spherical mirrors to provide 2X, 4X, or 6X beam expansion or reduction. This series of beam expanders features a fully reflective design that can be used with a variety of lasers, including tunable, UV, and ultrafast sources, while their innovative design ensures high precision with minimal wavefront distortion. To adjust the diameter of a laser Laser Beam Expanders High performance Laser Beam Expanders, realized by combining lens design techniques with anti-reflective coating technology. Unlike our transmissive beam expanders, they exhibit virtually zero chromatic aberration, making them especially suitable for broadband sources See full list on edmundoptics. The innovative design not only broadens the range of usable lasers but SORL's COAR Series Laser Beam Expanders employ an Off-Axis, Afocal Dall-Kirkham design to provide accurate, unobstructed and achromatic expansion of any collimated input source. Once you have determined the need for a Laser beam expanders increase the diameter of a collimated input beam to a larger collimated output beam for applications such as laser scanning, interferometry, and remote sensing. Contemporary laser beam expanders are afocal systems developed from well-established optical telescope fundamentals. Nov 6, 2024 · Thorlabs' Reflective Beam Expanders use a pair of prealigned protected-silver-coated spherical mirrors to provide 2X, 4X, or 6X beam expansion or reduction. com This series of beam expanders features a fully reflective design that can be used with a variety of lasers, including tunable, UV, and ultrafast sources, while their innovative design ensures high precision with minimal wavefront distortion. The reflective design of these beam expanders is achromatic and with aluminium coatings can operate from UV to far IR without adjustment. The key to the high performance and reasonable Variable Beam Expanders Variable beam expanders are ideal for systems where different magnifications and precise control of laser beam divergence are required. Ultrafast lasers inherently span a broader wavelength range than other lasers due to their extremely short pulse duration. Due to dispersion, lens-based beam expanders are only capable of compensating for focus at one wavelength of light, making them only suitable for expanding/reducing monochromatic sources. We offer model variations with expansion ratios from 2 to 100 power and output beam diameters to 250mm. A concave secondary is used to produce an internal focus, and a pinhole is placed at this point to improve uniformity of the output beam. For applications employing unfiltered beams, a limited line of spatially filtered Off-Axis Reflective Expanders are provided. Feb 14, 2023 · The Ronar-Smith® Beam Expander demands the highest beam broadening and collimation quality without compromising on the expanded beam quality. Additionally, a Keplerian device focuses the A new design is described for an unobscured, all-reflective laser beam expander. Mar 10, 2025 · The achromatic performance of reflective beam expanders is required for multi-laser systems, some tunable lasers, and ultrafast lasers. There are laser beam expanders designed for CO 2 laser applications. In many laser based applications, beam expanders are an essential component of the optical system. Similarly, they can be used in reverse to provide beam compression. Altechna offers variable beam expanders with high pointing stability and high LIDT AR coatings that minimize ghost reflections. We offer reflective beam expanders with high reflectivity with 3x, 5x, and 8x magnification, available in gold, silver, and aluminum 2X, 4X, and 6X Options Chromatic Compensation Provided by Spherical Mirrors High Transmission from 450 nm to 20 μm Max Input Beam Diameter (1/e 2) of 3 mm for Diffraction-Limited Performance Thorlabs' Reflective Beam Expanders use a pair of prealigned protected-silver-coated spherical mirrors to provide 2X, 4X, or 6X beam expansion or reduction. Feb 5, 2024 · The reflective beam expander is a lens component that can change the diameter and divergence angle of the laser beam. Learn more about laser beam expanders available at Edmund Optics. Reflective beam expanders use mirrors which have constant focal lengths, regardless of the light being focused. Each off-axis beam expander is housed in an aluminium housing with provision for fixing to an optical Sep 14, 2023 · So, a laser beam expander can be classified as refractive (in most cases) or a reflective beam expander. [1] A refracting telescope commonly used is the Galilean telescope which can function as a simple beam expander for collimated light. The all-reflective configuration enhances versatility, enabling compatibility with various lasers, including tunable, ultraviolet, and ultrafast sources. It has very high performance and can be designed for any desired beam expansion ratio. The easiest beam expander to build is a Keplerian Telescope. Explore a wide range of laser beam expanders, including high power, low power, zoom, and achromatic models, covering wavelengths from UV to IR. Because there is a high power density due to the focused spot size at the focal point between the lenses, Keplerian beam expanders are not . Select the part number you need and click the button below to request a quote and more information. Optical Surfaces beam expanders are portable and can be used without the need for internal re-alignment. Optical performance is optimized first with in-house design and also with system test metrology. In the Keplerian model the focal lengths of both lenses will be positive, their addition resulting in a focal point in the gap between the lenses at the point where the two focal lengths meet. They are most often used to decrease divergence or to create smaller final focused spot sizes by expanding the beam before the final focusing element. High-resolution interferometry built into the manufacturing process ensures The achromatic performance of reflective beam expanders is required for multi-laser systems, some tunable lasers, and ultrafast lasers. It uses a total reflection design and can be used with a variety of lasers, including tunable, ultraviolet, and ultrafast light sources. Generally prismatic beam expanders use several prisms and are known as multiple-prism beam expanders. They are also used to increase beam diameter, therefore reducing power density or facilitating alignment. Four models are offered. Both the object and the image are located at infinity, which means that the input and output beams are collimated (afocal system). Contemporary laser beam expanders are a focal system developed from well-established optical telescope fundamentals. Since the components are just spherical mirrors, the cost of making this design is much less than the cost of making a confocal parabola beam expander, especially in large sizes. The TECHSPEC® Canopus™ Reflective Beam Expanders feature an all-reflective, monolithic design ideal for broadband or achromatic beam expansion and a wide variety of sources from the ultraviolet to the infrared including tunable, ultraviolet, and ultrafast lasers. 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