Category: Industry News
產業新聞

Rectangular Sapphire Windows: Corner Radius, Edge Stress, Flatness and Mounting Design

Rectangular sapphire windows are widely used in optical sensors, industrial inspection systems, semiconductor equipment, laser systems, high-pressure instruments and harsh-environment viewing assemblies. Compared with circular sapphire windows, rectangular windows can make better use of available installation space and provide a larger usable field of view. However, their geometry also creates several additional engineering challenges. The
產業新聞

Sapphire Window Failure Analysis: Edge Chipping, Mounting Stress, Thermal Shock and Fracture

Sapphire windows are widely selected for demanding optical systems because single-crystal sapphire combines high hardness, heat resistance, optical transparency, chemical resistance and useful thermal conductivity. These properties make sapphire suitable for harsh-environment optical windows, sensor covers, vacuum systems, high-pressure equipment and high-temperature optical assemblies. However, sapphire is still a brittle single-crystal ceramic. A component that
產業新聞

Sapphire Window Parallelism vs Wedge: Beam Deviation, Ghost Reflections and Specification Limits

Sapphire windows are widely used in laser systems, imaging assemblies, optical sensors, high-pressure viewports, infrared instruments, and other applications where high mechanical strength and optical durability are required. However, specifying only the diameter, thickness, surface quality, and flatness of a sapphire window is often not enough. For applications involving collimated light, lasers, imaging paths, interferometry,
產業新聞

Sapphire Window Coating Guide: AR Coating, Wavelength Range, Transmission and Durability

Sapphire windows are often selected for optical systems that require a combination of transparency, mechanical strength, surface hardness and environmental resistance. But choosing sapphire as the substrate is only part of the optical design. For many applications, an anti-reflection coating on the sapphire window is required to reduce surface reflection and increase useful transmission at
產業新聞

Custom Sapphire Window RFQ Checklist: Dimensions, Orientation, Flatness, Surface Quality and Coating

Custom sapphire windows are widely used to protect cameras, sensors, laser systems, optical instruments and viewing ports operating in demanding environments. However, requesting a quotation for a sapphire window involves more than simply providing its diameter and thickness. Crystal orientation, dimensional tolerance, flatness, parallelism, surface quality, clear aperture, edge geometry and optical coating can all
產業新聞

Ring-Shaped Sapphire Windows: Inner Diameter, Concentricity, Flatness and Edge Finish

Ring-shaped sapphire windows are annular optical components with a central opening and a polished sapphire area surrounding it. They are used when an optical, mechanical or sensing system requires both a transparent protective surface and an unobstructed central passage. Typical applications include optical instruments, sensor assemblies, vacuum equipment, analytical systems, semiconductor equipment, laser systems and
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Sapphire Window Clear Aperture and Edge Exclusion: How to Specify the Usable Optical Area

A sapphire window may have a precisely controlled outside diameter, thickness and polished surface, but this does not mean that every part of the component can be used as an optical area. The region near the perimeter may contain an edge bevel, mounting contact, coating transition, polishing roll-off or allowable cosmetic imperfections. For this reason,
產業新聞

Sapphire Windows with Precision Holes: Hole Diameter, Position Tolerance, Edge Chipping and Inspection

Sapphire windows with precision holes are used when an optical component must provide both environmental protection and a functional opening for a sensor, fiber, electrode, fastener, fluid channel or mechanical alignment feature. Compared with a conventional round or rectangular sapphire window, adding one or more holes significantly increases the difficulty of machining, polishing and inspection.
產業新聞

藍寶石窗片的厚度如何影響強度、透光率與成本

Sapphire windows are used in optical, industrial, medical, semiconductor, laser, vacuum and high-pressure systems because they combine high hardness, good optical transmission, chemical resistance and strong mechanical stability. When engineers design a custom sapphire window, thickness is one of the most important specifications. It affects not only mechanical strength, but also optical performance, weight, machining