OP8234 Zinc Selenide Window (ZnSe) Dia. 76.2 mm x Thk. 6 mm, Uncoated

Zinc Selenide Window (ZnSe) Dia. 76.2 mm x Thk. 6 mm, Uncoated Description

Constructed from high-purity Zinc Selenide (ZnSe), this 76.2 mm diameter by 6 mm thick, uncoated window is designed for exceptional performance in mid-IR applications. ZnSe provides outstanding transmission across a broad wavelength range, typically 0.6 to 16 µm, making it ideal for infrared imaging, spectroscopy, and high-power laser systems. Its low absorption and scatter further enhance optical clarity, ensuring precise results in demanding research or industrial settings.

Manufactured under strict quality control, each window undergoes rigorous inspection to confirm optimal surface accuracy and dimensional tolerances. The uncoated surface allows for customisable enhancement options or direct use in systems requiring minimal interference. With its enhanced durability and resistance to thermal shock, this ZnSe window meets industry standards for reliability, guaranteeing consistent, high-fidelity performance in a variety of specialised optical applications.

Zinc Selenide Window (ZnSe) Dia. 76.2 mm x Thk. 6 mm, Uncoated Applications

Zinc Selenide Windows (ZnSe) with a diameter of

76.2 mm and thickness of 6 mm, especially when uncoated, offer outstanding infrared transmission and low absorption. Their structure and thermal stability allow them to handle high-power laser systems. These properties make them highly sought-after for numerous applications that demand precise optical performance, including industrial cutting systems, research spectrometers, and commercial laser-based devices.

1. Industrial Applications

·         Integration in high-power CO₂ laser cutting and welding equipment due to excellent IR transmittance

·         Optical components in thermal imaging systems requiring low absorption and minimal distortion

2. Research Applications

·         Spectroscopy setups that demand precise IR wavelengths and stable measurement conditions

·         Advanced analytical instrumentation where thermal stability is critical for accurate results

3. Commercial Applications

·         Laser-based positioning and scanning devices benefiting from low scattering

·         Protective windows in handheld infrared measuring instruments for consumer-grade diagnostic tools

Zinc Selenide Window (ZnSe) Dia. 76.2 mm x Thk. 6 mm, Uncoated Packaging

Each Zinc Selenide Window (76.2 mm diameter x 6 mm thick) is packaged in foam inserts or moulded compartments within a sturdy box, then sealed in a protective polymer pouch. To prevent contamination, the windows are placed in a dust-free environment with desiccant packs. Proper storage involves cool, low-humidity conditions to safeguard performance. Custom packaging options are available for specific shipping, handling, or longer-term storage requirements.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Zinc Selenide Window (ZnSe) Dia. 76.2 mm x Thk. 6 mm, Uncoated FAQs

Q1: What are the key material properties of Zinc Selenide Window (ZnSe) Dia. 76.2 mm x Thk. 6 mm, Uncoated?

A1: Zinc Selenide (ZnSe) is a chemically vapour-deposited material well-known for its excellent infrared transmission between 0.6 and 20 µm and high refractive index (~2.4 at 10 µm). It has low thermal expansion, moderate hardness, and good thermal shock resistance. With a 76.2 mm diameter and 6 mm thickness, this window is suitable for infrared imaging systems, spectroscopy instruments, and high-power laser applications requiring minimal absorption.

Q2: How should this product be handled and stored?

A2: Due to ZnSe’s brittleness and susceptibility to surface damage, it is critical to minimise direct contact with the optical surface and avoid any shocks or impacts. Always wear powder-free gloves when handling, and store the window in a clean, dry environment to prevent contamination. Clean it periodically with approved optical solvents and non-abrasive wipes to maintain optimal transmission properties.

Q3: Which quality standards and certifications apply to Zinc Selenide Window (ZnSe) Dia. 76.2 mm x Thk. 6 mm, Uncoated?

A3: These windows typically conform to ISO 10110 specifications for optical components and may also meet MIL-PRF-13830B requirements for surface quality in military applications. Many manufacturers follow strict quality assurance frameworks from ISO 9001 or equivalent certifications. Compliance with these standards ensures consistent material purity, proper dimensional tolerances, precise surface flatness, and low scatter, making the window reliable for demanding laser and infrared instrumentation.

Related Information

1. Manufacturing Process

This uncoated Zinc Selenide (ZnSe) window, with a diameter of 76.2 mm and a thickness of 6 mm, undergoes an intricate fabrication sequence to achieve superior clarity and dimensional accuracy. The bulk ZnSe material is meticulously shaped and polished to meet stringent thickness tolerances, ensuring minimal scatter and maximum transmittance in the infrared spectrum. Specialised cutting and beveling techniques are employed to protect the edges from chipping, further enhancing the window's resilience during handling and integration into optical layouts.

Efficient quality checks are interspersed throughout the manufacturing workflow to detect minor surface irregularities that might impact performance. Sophisticated metrology tools are used to verify flatness, parallelism, and surface roughness at every critical stage. By carefully controlling each production step, these ZnSe windows consistently deliver outstanding optical fidelity and mechanical stability, making them a reliable choice for precision infrared applications.

2. Applications in Advanced Industries

Zinc Selenide windows of this specific size and thickness are widely sought after in defence, aerospace, and medical technology. Their excellent optical transmission across a broad infrared range facilitates critical functionalities, including thermal imaging and high-power laser delivery systems. In aerospace settings, they enable clear detection of heat signatures and support sophisticated targeting systems operating in extreme environmental conditions.

Structural integrity and desirable optical characteristics make these uncoated ZnSe windows invaluable in laser-based manufacturing and instrumentation. They effectively handle high-intensity beams without compromising accuracy, resulting in precise control during processes like laser cutting and drilling. Moreover, their durable construction ensures consistent performance over an extended service life, positioning them as essential components for infrared systems.