Magnesium fluoride(MgF₂) combines deep-UV transmission, broad IR response, high hardness, and excellent chemical stability. Its very low refractive index and high laser damage threshold suit UV/IR systems and precision laser equipment. Scysgx uses high-purity single-crystal magnesium fluoride substrates, 260 precision-processing machines, and 65 specialist inspection instruments for closed-loop milling/grinding, polishing, coating, and quality inspection. plano-convex, biconvex, plano-concave, meniscus, collimating, and focusing lenses span 1–500mm, with surface accuracy up toλ/10. It provides precision optics for UV systems, IR detection, lasers, medical optics, and research testing.
| Parameter | Value |
| Material [Standard Specifications] | High-Purity Magnesium Fluoride Single Crystal (MgF₂) |
| Diameter Range [Standard Specifications] | 1–500mm |
| Diameter Tolerance [Standard Specifications] | +0/-0.01mm |
| Center Thickness Tolerance [Standard Specifications] | ±0.02mm |
| Surface Figure Accuracy [Standard Specifications;@632.8nm] | λ/4、λ/8 |
| Surface Quality [Standard Specifications] | 60/40 |
| Decentration [Standard Specifications] | ±1′ |
| Chamfer [Standard Specifications] | 0.2–0.5mm×45° |
| Applicable Wavelength Band [Standard Specifications] | 120nm–7000nm |
| Material [High-Precision Grade Specifications] | High-Purity Magnesium Fluoride Single Crystal (MgF₂) |
| Diameter Range [High-Precision Grade Specifications] | 1–300mm |
| Diameter Tolerance [High-Precision Grade Specifications] | +0/-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] | 40/20 |
| Decentration [High-Precision Grade Specifications] | ±0.5′ |
| Chamfer [High-Precision Grade Specifications] | 0.2–0.5mm×45° |
| Applicable Wavelength Band [High-Precision Grade Specifications] | 120nm–7000nm |
UV optics: vacuum-UV detection, UV lithography, UV lasers and UV sensing. Infrared optics: mid-IR imaging, infrared temperature measurement, thermal cameras and infrared detection lenses. Laser equipment: UV laser focusing/collimation, infrared laser systems and high-power laser optical paths. Medical optics: UV diagnosis, infrared noninvasive testing and precision medical imaging optical paths. Research and metrology: university laboratories, astronomical optics, precision optical collimation and metrology. Industrial optics: aerospace optics, outdoor optical equipment and precision imaging systems.
Ultrabroad spectral transmission: 120nm (vacuum UV)–7000nm (mid-IR), with outstanding UV transmission. Low-index design: refractive index as low as 1.392 reduces interface reflection losses and improves optical throughput. High hardness and wear resistance: Knoop hardness 415, high mechanical strength and scratch resistance for longer life. Ultraprecision fabrication: surface figure to λ/10, surface quality to 40/20 and dimensional tolerance ±0.01mm. Full structural coverage: custom plano-convex, biconvex, plano-concave, biconcave, meniscus, collimating and focusing designs. Excellent environmental adaptability: acid/alkali resistance, no deliquescence and high-temperature resistance for harsh industrial, medical and research environments. IV. Core material advantages. Spectral coverage: high broadband transmission over 120nm (vacuum UV)–7000nm (mid-IR). Optical properties: refractive index n_d=1.392, Abbe number 97.29, ultralow dispersion and high imaging precision. Thermal properties: expansion coefficient 13.7, excellent heat resistance and thermal stability. Mechanical properties: Knoop hardness 415, high wear and impact resistance, and resistance to damage during long-term use. Chemical properties: nondeliquescent, resistant to acids, alkalis and water-vapor corrosion, well suited to outdoor and harsh environments. V. Available structures: plano-convex, biconvex, plano-concave, biconcave, meniscus, collimating and focusing lenses. VI. Standard coatings. Vacuum-/deep-UV AR: 120–400nm antireflection reduces UV losses. Near-/mid-IR AR: dedicated 2–7μm and 3–5μm antireflection. High-laser-damage-threshold coatings for high-power UV/IR systems. Antireflection base coating: combines the material's low index with coating layers for lower reflectance. VIII. Yasi Optical advantages. Fully controlled in-house closed-loop cutting → milling/grinding → polishing → coating → inspection → assembly, with full traceability. Precision equipment: ZYGO interferometers, Nikon precision goniometers and optical dimensional measuring instruments for comprehensive quality control. Extensive one-stop customization of dimensions, focal length, structure, coatings and mounting references. Stable, rapid small- and large-batch delivery for equipment production and research prototypes. Industrial/medical standards: high-reliability optical-component standards support medical optical-equipment compliance. IX. Quality assurance. All magnesium fluoride lenses undergo ZYGO interferometric figure, optical dimensional and spectral transmission inspections to ensure 100% parameter compliance. Automated ultrasonic ultraclean washing and vacuum moisture-proof packaging ensure transport and long-term stability.
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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.