
( Brand: Thorlabs ), ( Model: GBE03-A ), ( Country/region Of Manufacture: Germany )
The Thorlabs GBE03-A Achromatic Beam Expander is a high-quality optical component designed for use in various applications requiring magnification and beam expansion. This beam expander, specifically model GBE03-A, is part of Thorlabs' GBE series, which is known for its exceptional performance and reliability.
The GBE03-A is a 3x magnification beam expander, meaning it can increase the size of the input beam threefold while maintaining its shape and intensity. It is made of high-quality optical materials, ensuring excellent transmission and minimal distortion of the input beam. The achromatic design of the beam expander ensures that the expansion of the beam does not result in significant chromatic aberrations, making it suitable for use with a wide range of wavelengths.
The GBE03-A beam expander is designed for use with telecentric lenses and has an effective focal length of 30 mm. It has a diameter of 25.4 mm and a thickness of 12.7 mm, making it a compact and easy-to-integrate component in various optical systems. The beam expander is easily mountable using its M24 threaded mounting holes.
The GBE03-A is made to withstand harsh environmental conditions, with a rugged design and high thermal stability. It is also compatible with most laser systems, making it a versatile solution for various applications, including laser processing, spectroscopy, and imaging.
In summary, the Thorlabs GBE03-A Achromatic Beam Expander is a high-performance, compact, and reliable optical component that can help magnify and expand your input beam while maintaining its shape and intensity. Its achromatic design, wide wavelength compatibility, and robust construction make it a valuable addition to any optical system.
Pros of buying Thorlabs GBE03-A Achromatic Beam Expanders:1. High Quality: Thorlabs is a well-known and reputable company in the optical industry. The GBE03-A beam expanders are made with high-quality materials and precise manufacturing techniques, ensuring reliable performance and longevity.
2. Wide Bandwidth: These beam expanders have a wide bandwidth, covering a wavelength range from 400 to 2500 nm. This makes them suitable for a wide variety of applications, including laser systems, spectroscopy, and microscopy.
3. High Transmission: The GBE03-A beam expanders have high transmission coefficients, typically over 95%, ensuring that a significant amount of the incident light is transmitted through the expanders.
4. Achromatic Design: The achromatic design of the beam expanders reduces chromatic aberrations, ensuring that the expanded beam remains collimated and does not show any color distortion.
5. Compact Size: The GBE03-A beam expanders have a compact size, making them easy to integrate into various optical systems.
Cons of buying Thorlabs GBE03-A Achromatic Beam Expanders:1. Cost: The GBE03-A beam expanders are relatively expensive compared to other beam expanders available in the market. The cost may be prohibitive for some users with limited budgets.
2. Limited Operating Temperature Range: The GBE03-A beam expanders have a limited operating temperature range of -40 to 85 C. This may be a concern for users who operate their optical systems in extreme temperature environments.
Conclusion and Recommendation:The Thorlabs GBE03-A Achromatic Beam Expanders are excellent options for users who require high-quality beam expansion with minimal chromatic aberrations. Their wide bandwidth and high transmission coefficients make them suitable for a wide variety of applications. However, the high cost and limited operating temperature range may be a concern for some users. If budget is not a constraint and the operating temperature is within the range, the GBE03-A beam expanders are highly recommended for their excellent performance and reliability. If cost is a concern, users may consider other beam expanders with similar specifications that are available at lower prices.
An expanded beam can be focused to a narrow diffraction-limited waist, which necessary for use with optics or instruments that have small input apertures such as our fairy-Perot Andromeda's. This is a nearly mint condition 3x laser beam expansion or reduction optical device with anti reflection coating in the NM range. Sliding lens adjustment that minimizes beam walk off housing with fixed mechanical length and non-rotating ring can be locked included hex key can used to reduce size by using the larger aperture as input threaded apertures for integration into optical systems these expanders use a low-aberration, achromatic design optimized provide wavefront error of less than. Diffraction-limited performance and minimize the impact on m value of expanded beam.