OAP Mirrors: Applications Across Industries
Off-axis parabolic (OAP) mirrors are indispensable components in modern optical systems, offering precision and versatility in a variety of applications. These mirrors enhance performance by eliminating central obstructions and reducing aberrations. Their applications range from astronomy to laser systems. Here, we highlight three case studies that showcase the capabilities of OAP mirrors in different industries.
1. Terahertz and Infrared Applications
In terahertz and infrared applications, precise optical paths are critical for accurate data acquisition and system performance. OAP mirrors are integral to constructing these paths, ensuring minimal wavefront distortion and high reflectivity.
Specifications:
- Mirror Type: Large aperture off-axis parabolic mirror
- Aperture: 300mm
- Surface Accuracy: <1/3λ
- Coating: Dielectric film
- Off-axis Angle: 40°
- Material: Zerodur
In one notable implementation, a 300mm aperture OAP mirror with a dielectric coating was used to guide terahertz waves in a high-precision spectroscopy system. Its surface accuracy of <1/3λ and stable Zerodur material ensured reliable performance, even under temperature fluctuations, making it a cornerstone for cutting-edge research.
2. Astronomical Telescopes
For astronomers, achieving unobstructed views of celestial bodies is paramount. OAP mirrors in telescopes minimize optical interference, enabling clear and detailed observations.
Specifications:
- Mirror Type: Large aperture off-axis parabolic mirror
- Aperture: 400mm
- Surface Accuracy: <1/2λ
- Coating: Protected silver (Ag)
- Off-axis Angle: 30°
- Material: Fused silica
- Mirror Type: Conventional off-axis parabolic mirror
- Apertures: 1 inch and 1/2 inch
- Surface Accuracy: <1/4λ
- Coating: Protected Ag or Au
- Off-axis Angle: 45°
In a laser system designed for industrial material processing, a conventional OAP mirror with a 1-inch aperture and protected gold (Au) coating was used to focus high-intensity beams. The 45° off-axis angle and high reflectivity ensured minimal energy loss, while the robust aluminum construction offered durability in demanding environments.
The Versatility of OAP Mirrors
These case studies underscore the adaptability of OAP mirrors in diverse fields. Whether enabling precise terahertz spectroscopy, enhancing celestial observations, or optimizing laser systems, OAP mirrors are critical to advancing optical technology. By tailoring specifications such as aperture size, coating, and material, manufacturers meet the unique demands of each application, pushing the boundaries of what is possible.
Custom Off-Axis Parabolic Mirrors
At Avantier Inc., we specialize in creating custom high-performance Off-Axis Parabolic (OAP) Mirrors designed for a wide range of applications. Our coating options include protected gold, silver, and aluminum, with protected aluminum being a preferred choice for visible and infrared applications.
We offer SM-threaded, unthreaded, or post-mountable adapters for any of our in-stock OAP mirrors. To explore our stock options, visit our Stock – Off-Axis Parabolic Mirrors page.
Our OAP mirrors are precision diamond-turned to ensure a smooth surface with minimal roughness. For a custom optical mirror tailored to your specific focal length and requirements, contact us today via our contact page.
GREAT ARTICLE!
Share this article to gain insights from your connections!