ASELSAN Sivas Optical Production Unit houses advanced production, thin film coating, and precision metrology infrastructure under one roof for the production of high-performance optical components. Critical production processes such as grinding, polishing, centering, optical thin film coating, single-point diamond turning (SPDT), polycarbonate optical production, and maskless photolithography are carried out with high-precision CNC systems. Each stage of the production process; Interferometric measurement systems, contactless profilometers, and advanced optical metrology equipment are used to verify high accuracy, repeatability, and reliability.
• It has the capability to process high-precision optical components in the diameter range of Ø5 mm to Ø500 mm.
• It can perform the production and measurement of optics with surface geometries in the radius range of 5 mm to infinity (∞).
• It produces spherical, aspherical and diffractive optical components with high precision.
• It has the capability to produce various optical products such as lenses, windows, prisms, periscopes and optical filters.
• It offers optical solutions for the visible (VIS), near infrared (NIR), mid-wave infrared (MWIR) and long-wave infrared (LWIR) spectral regions.
• It produces polycarbonate-based optical components using plastic injection technology.
• It can produce high-precision optics for laser applications, providing λ/10 surface accuracy, 20-10 surface quality, and low surface roughness.
ASELSAN
Within the Sivas Optical Production Unit, high-performance optical thin-film coating processes are carried out using physical vapor deposition (PVD) technology in ISO Class 7 (Class 10,000) cleanroom conditions.
Thanks to the advanced coating infrastructure, optical coatings with high transmittance, high reflectivity, and special spectral characteristics can be applied to the ultraviolet (UV), visible (VIS), near-infrared (NIR), mid-wave infrared (MWIR), and long-wave infrared (LWIR) spectral regions.
Coating technologies; Lenses, prisms, windows, filters and other optical components are developed in accordance with performance requirements and repeatable production is ensured with high-precision process control.
Spectral
Operating Range:
200 nm ≤ λ ≤ 13,000 nm
• High-performance optical thin film coatings using Physical Vapor Deposition (PVD) technology is being carried out.
• Precise coating processes are carried out in a cleanroom environment conforming to ISO Class 7 (Class 10,000) standards.
• Optical coating solutions for different applications are offered in the spectral range of 200–13,000 nm.
• Anti-reflective (AR), Highly Reflective (HR), Partially Reflective (Beam Splitter), Filter and Dielectric coating applications are performed.
ASELSAN
Sivas Optical Production Unit performs high-precision reticle
and micro-pattern transfer onto optical components using advanced maskless photolithography technology. Thanks to this technology, which can create patterns directly from digital data, rapid prototyping, design revision, and low-volume production can be carried out with high accuracy without the need for mask production.
The maskless
photolithography system has the ability to process patterns up to a resolution of 0.6 µm and enables high-precision reticle applications on various optical components, especially prisms.
ASELSAN
Sivas has advanced CNC machining technologies in the production of high-precision
optomechanical components that support the performance of optical systems.
Production processes are planned in line with manufacturability analyses using computer-aided design (CAD/CAM) infrastructure; parts requiring high precision are machined on modern CNC milling and lathe machines.
Within the scope of optomechanical
production activities, high-precision mechanical components are produced for defense, space, medical and civil applications; all parts are subjected to dimensional verification and quality control processes with coordinate measuring devices (CMM) to verify their compliance with the relevant technical drawings and tolerance requirements.
ASELSAN
Sivas carries out the assembly, integration, active alignment, and verification processes of sub-components, sub-systems, and systems of optical and electro-optical products requiring high precision, with its advanced production infrastructure.
Components of optical, electro-optical, optomechanical, periscope, and laser systems are assembled with high precision in controlled clean areas; after optical alignment and integration processes, they are made ready for duty by undergoing functional, performance, and environmental verification tests at the system level.
Quality assurance principles are taken as the basis in all stages of the production process; From material acceptance to final product shipment, incoming quality control, process controls, functional verification, optical performance verification, and environmental resistance tests are applied. All activities are carried out in accordance with AS9100 Aerospace, Space and Defense Quality Management System and ISO 9001 Quality Management System standards.
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