Introduction to SSI Subaperture Stitching Interferometry In the evolving landscape of optical systems manufacturing, test results with high measurement accuracy are critical—especially for large aperture and aspherical surface components used in technologies such as astronomical telescopes and EUV lithography. Conventional interferometers struggle to capture precise full aperture measurements due to limitations in range and aberration […]
Key Takeaways Meeting strict wavefront error (WFE) budgets is critical for space telescope optics, ensuring nanometer-level imaging accuracy and mission reliability. This article details practical strategies for managing WFE contributions from surface figure, alignment, coatings, and thermal effects. Advanced metrology techniques, such as phase-shifting interferometry and stitching profilometry, support precise wavefront measurement. By integrating custom […]
Key Takeaways Optical sensors for ADCS—including star trackers, sun sensors, and Earth horizon sensors—provide the high-precision attitude knowledge required for CubeSats and small satellite platforms. Avantier delivers space-qualified optical components engineered for SWaP-constrained missions, offering compact, radiation-hardened systems that maintain performance under vibration, thermal cycling, and radiation exposure. Miniaturized, athermally stabilized optics and lightweight optical […]
Key Takeaways Satellite telescope coatings must support wide spectral ranges (UV to LWIR) while enduring radiation, AO exposure, and thermal cycles. AR coatings for lenses and windows require high transmittance, environmental resistance, and minimal outgassing. Gold and silver reflective coatings are essential for high-efficiency IR mirrors in thermal imaging telescopes. AO-resistant layers like ALD-deposited Al₂O₃ […]
Key Takeaways Objective lenses are essential in quantum computing for precise beam focusing, efficient fluorescence collection, and high-resolution qubit imaging. High numerical aperture boosts addressability and readout fidelity, while optimized working distance enables operation through vacuum or cryogenic interfaces. Wavelength-specific coatings, aberration correction, and window compensation preserve signal integrity. Vacuum and cryogenic compatibility, along with […]
Key Takeaways: We offer precision lens transmittance testing using light intensity ratio and integrating sphere methods. These techniques ensure high optical performance, verifying brightness, color accuracy, and system efficiency across application-specific wavelengths. Our lab-built setups deliver reliable results for coated, curved, or multi-element lenses. While we don’t use high-speed laser transmittance meters, our capabilities meet […]
Key Takeaways Space-based telescopes are evolving rapidly, with growing demand for compact, high-performance optical systems. Freeform optics enable miniaturized designs, while SiC mirrors offer stability and low mass for harsh space environments. Lightweight structures are essential for both CubeSat payloads in LEO and large observatories in deep space. Across mission sizes, the trend is clear: […]
Key Takeaways Optical Coherence Tomography (OCT) relies fundamentally on High-Precision Optics for its unparalleled imaging capabilities. Key OCT System Optical Components, like OCT Scan Lenses, OCT Beam Splitters, and OCT Collimators, must meet strict tolerances for wavefront quality and dispersion. Achieving superior image contrast and resolution hinges on minimizing aberrations. Manufacturing these components presents challenges […]
Key Takeaways: Surface roughness, surface texture, surface finish, surface roughness measurement, profilometer, Ra value, Rq roughness, and high-precision optics are essential for controlling optical performance. Nanometer-scale roughness causes light scattering, distortion, and lowers laser damage thresholds. Surface roughness results from manufacturing methods, material structure, and environmental effects. Tools like profilometers and AFM provide accurate surface […]
Key Takeaways: Durable optical materials are crucial for reliable performance in extreme environments, enabling next-gen optical systems to withstand radiation and thermal stress. Innovative radiation hardened coatings and thermally stable substrates like Zerodur and Silicon Carbide maintain optical integrity in harsh conditions. Meta-optics and nanophotonic structures offer compact and robust alternatives for advanced optical functionalities […]
