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Silicon Optical Lens
Optical Lenses

Silicon Optical Lens

Supplier
Scysgx
Category
Optical Lenses
Origin
China

Silicon(Si) is a high-performance crystal for mid-IR systems, with excellent transmission, mechanical strength, and thermal stability over the broad 2–14μm mid-IR range. It serves thermal imaging, IR detection, medical IR optics, lasers, and security monitoring. Scysgx uses high-purity single-crystal silicon substrates, more than 260 precision-processing machines, and 65 specialist inspection instruments for a complete production chain of cutting, grinding, polishing, coating, and inspection. plano-convex, biconvex, plano-concave, meniscus, focusing, and collimating lenses span 1–500mm, with surface accuracy up toλ/10. It provides precise, highly reliable lens solutions for mid-IR optical systems.

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Overview

Silicon(Si) is a high-performance crystal for mid-IR systems, with excellent transmission, mechanical strength, and thermal stability over the broad 2–14μm mid-IR range. It serves thermal imaging, IR detection, medical IR optics, lasers, and security monitoring. Scysgx uses high-purity single-crystal silicon substrates, more than 260 precision-processing machines, and 65 specialist inspection instruments for a complete production chain of cutting, grinding, polishing, coating, and inspection. plano-convex, biconvex, plano-concave, meniscus, focusing, and collimating lenses span 1–500mm, with surface accuracy up toλ/10. It provides precise, highly reliable lens solutions for mid-IR optical systems.

Specifications

ParameterValue
Material [Standard Specifications]High-Purity Single-Crystal Silicon (Si)
Diameter Range [Standard Specifications]1–500mm
Diameter Tolerance [Standard Specifications]±0.01mm
Center Thickness Tolerance [Standard Specifications]±0.02mm
Surface Figure Accuracy [Standard Specifications;@632.8nm]0.5λ
Surface Quality [Standard Specifications]60-40
Decentration [Standard Specifications]±1′
Chamfer [Standard Specifications]0.2–0.5mm×45°
Applicable Wavelength Band [Standard Specifications]2000–14000nm（2–14μm）
Material [High-Precision Grade Specifications]High-Purity Single-Crystal Silicon (Si)
Diameter Range [High-Precision Grade Specifications]1–500mm
Diameter Tolerance [High-Precision Grade Specifications]±0.01mm
Center Thickness Tolerance [High-Precision Grade Specifications]±0.01mm
Surface Figure Accuracy [High-Precision Grade Specifications;@632.8nm]λ/10
Surface Quality [High-Precision Grade Specifications]60-40
Decentration [High-Precision Grade Specifications]±0.5′
Chamfer [High-Precision Grade Specifications]0.2–0.5mm×45°
Applicable Wavelength Band [High-Precision Grade Specifications]2000–14000nm（2–14μm）

Applications

Infrared optical systems: thermal imagers, temperature measurement, security lenses and exploration instruments. Medical infrared optics: thermal-imaging diagnosis and noninvasive detection paths. Laser equipment: mid-infrared focusing, collimation and delivery. Industrial monitoring: infrared detection, high-temperature monitoring and spectroscopy. Research: infrared microscopy, spectroscopy and precision laboratory optics.

Key Features

Broadband high mid-IR transmission: 2000–14000nm (2–14μm), stable with low absorption. High hardness/wear resistance: Knoop hardness 1150, scratch/impact resistance and long life. Thermal stability: softening temperature 1500℃, expansion coefficient 2.55 and stable high-temperature optics. Ultraprecision fabrication: tolerance ±0.01mm, figure to λ/10, surface quality 60-40. Full structures: spherical/aspheric, plano-convex/biconvex/plano-concave/meniscus. AR/DLC improve optics/durability. IV. Material advantages. Broadband 2–14μm mid-IR transmission suits most infrared systems. Stable index/low scatter for clear imaging. Expansion coefficient 2.55, softening temperature 1500℃, heat resistance without thermal deformation. Knoop hardness 1150 and high strength suit harsh industrial/outdoor environments. Easy ultraprecision polishing supports large, precise infrared lenses. V. Available structures: plano-convex, biconvex, plano-concave, biconcave, meniscus, collimating, focusing and aspheric lenses. VI. Coatings. Dedicated mid-IR AR 3–5μm, 8–12μm and 2–12μm. DLC improves hardness, contamination/wear resistance and life. High-laser-damage-threshold layers for high-power mid-IR. VIII. Yasi Optical advantages. Fully controlled in-house closed-loop cutting → milling/grinding → polishing → coating → inspection, with full traceability. Precision equipment: ZYGO interferometers, Nikon precision goniometers and optical dimensional instruments for comprehensive quality control. Batch 1–500mm large-aperture silicon lenses for high-end systems. One-stop materials, dimensions, structures, focal lengths and coatings with optical-path support. High-reliability medical/industrial compatibility supports medical-infrared compliance. IX. Quality assurance. All silicon lenses undergo ZYGO interferometric figure, optical dimensional, infrared-transmission and surface-quality inspections to ensure 100% optical and dimensional compliance. Automated ultrasonic ultraclean washing and vacuum moisture-proof packaging ensure transport and long-term stability.

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Supplier Information

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Scysgx
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Sichuan Yasi Optics is a source factory focusing on the R&D and manufacturing of optical components, which has rapidly emerged as a benchmark enterprise in the industry that combines innovation and quality. The company's core business focuses on the customized production of various optical components such as optical prisms, optical lenses, optical windows, laser lenses, etc. The products are widely suitable for application needs in multiple industries including medical, manufacturing, and scientific research. In terms of material selection, we support diverse substrates such as NBK7, quartz, sapphire, germanium, molybdenum, copper, zinc sulfide, fluoride, gallium arsenide, etc., to meet performance requirements in different scenarios. Relying on more than 260 processing equipment and 13 professional testing equipment, we have built a complete processing chain from cutting, grinding, polishing, coating to inspection and delivery. We can not only achieve rapid delivery of small and large batch products, but also precisely meet the personalized production needs of different customers.

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