OP8226 Zinc Selenide Window (ZnSe) Circular, Uncoated

Zinc Selenide Window (ZnSe) Circular, Uncoated Description

Made from high-quality zinc selenide, this circular, uncoated ZnSe window is valued for its optical clarity and performance across a broad infrared range (approximately 0.6 to 16 μm). ZnSe’s low absorption and high resistance to thermal shock make it a suitable choice for demanding applications. Its chemical stability and minimal scattering ensure consistent performance in environments requiring precision and durability.

These ZnSe windows meet stringent quality standards, ensuring consistent performance under high-power laser conditions. They are particularly suitable for CO₂ lasers, spectroscopy, and thermal imaging systems requiring accurate IR transmission. Uncoated surfaces allow for customization with specialized anti-reflective coatings to meet specific application requirements. Depend on our precise manufacturing to deliver consistent results across a range of demanding optical setups.

Zinc Selenide Window (ZnSe) Circular, Uncoated Applications

Zinc Selenide (ZnSe) Circular Windows offer excellent transmission across a broad infrared spectrum, making them suitable for high-power laser systems and spectroscopy applications. These windows feature low absorption and notable thermal shock resistance, ensuring reliable performance under demanding conditions. By combining optical clarity with durable construction, ZnSe windows facilitate precise detection and measurement, while maintaining durability for an extended service life.

1. Industrial Applications

·         High-Power Laser Cutting Systems: ZnSe windows provide durability and clarity for handling intense CO₂ laser beams.

·         Infrared Imaging in Manufacturing: The broad transmission range supports quality control and process monitoring.

2. Research Applications

·         Spectroscopy and Diagnostics: The low absorption properties enable accurate sample analysis in advanced optical experiments.

·         Laser Optics Studies: ZnSe windows serve as components for testing and refining high-energy laser systems.

3. Commercial Applications

·         Thermal Imaging Sensors: ZnSe windows maintain clear performance in consumer-grade infrared cameras.

·         Medical Laser Treatments: The infrared transparency aids safe and precise delivery of therapeutic laser energy.

Zinc Selenide Window (ZnSe) Circular, Uncoated Packaging

Each Zinc Selenide Window (ZnSe) is packaged in a sealed, cushioned container with foam inserts and protective film layers to protect against moisture, dust, and physical damage. They should be stored in a clean, dry environment with stable temperature and humidity to prevent contamination or oxidation. Additionally, customised packaging solutions, such as built-in humidity indicators or tamper-evident seals, are available upon request to meet specific application needs.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Zinc Selenide Window (ZnSe) Circular, Uncoated FAQs

Q1: What are the key material properties of Zinc Selenide Window (ZnSe) Circular, Uncoated?

A1: Zinc Selenide (ZnSe) is known for its broad-spectrum transparency from visible to mid-IR, making it appropriate for CO2 laser and thermal imaging applications. With low bulk absorption and high optical homogeneity, it delivers excellent transmission in the 0.6 to 16 µm range. Its moderate hardness requires careful handling, while its relatively low dispersion ensures minimal chromatic aberration. ZnSe also possesses high thermal conductivity for efficient heat management.

Q2: How should this product be handled and stored?

A2: Since ZnSe is relatively soft and can be scratched or chipped easily, it should be handled with latex or nitrile gloves to prevent direct contact. Keep fingerprints or contaminants off the surface by using clean, lint-free cloths during handling. When storing, place the window in a cushioned container to avoid mechanical stress. Avoid harsh cleaning methods or strong chemicals that may damage the uncoated surface.

Q3: Which quality standards and certifications apply to Zinc Selenide Window (ZnSe) Circular, Uncoated?

A3: Zinc Selenide windows often adhere to optical quality standards such as ISO 10110 for surface figure and roughness, as well as MIL-PRF-13830B for scratch-dig specifications. Manufacturers may also follow ISO 9001 quality management systems to ensure consistent production. Additional certification, such as RoHS or REACH compliance, may apply depending on the intended market. Each window is typically inspected for dimensional accuracy, surface defects, and transmission performance.

Related Information

1. Manufacturing Process

Diligent refinement of zinc selenide powder ensures the raw material is pure and suitable for forming circular, uncoated ZnSe windows. During production, advanced crystal growth techniques, such as chemical vapour deposition, are employed to achieve a consistent crystalline structure. Skilled technicians then cut and shape the material into the desired diameter, while computer-controlled machines carefully grind and polish each surface. This multi-step approach results in precise surface flatness and minimal subsurface damage, enabling optical performance under infrared lighting conditions.

Following the growth and shaping processes, each ZnSe window undergoes thorough cleaning to remove any material residues or microscopic contaminants. Final inspection involves both manual quality checks and advanced optical instrumentation, ensuring optimal clarity and a uniform thickness across the entire surface. Uncoated ZnSe windows are then packaged in dust-free environments for safe transport, protecting them from scratches or environmental factors that can compromise their functionality and longevity.

2. Quality Control Measures

Rigorous testing regimes are implemented at multiple stages to confirm the optical properties of each circular ZnSe window, such as its transmittance range and refractive index consistency. By employing spectrophotometric analysis, manufacturers verify that the window meets the necessary standards for infrared transmission, particularly in wavelength ranges like 3–12 µm. High-precision interferometers further validate the dimensional accuracy, ensuring minimal deviation in thickness and diameter.

Thorough surface inspections are equally critical and often involve a combination of automated scanning systems and expert visual checks. These examinations assess surface irregularities, subsurface voids, or other potential defects that could affect the window’s performance in high-energy laser or thermal imaging applications. Combined with consistent record-keeping and traceability, these measures guarantee that uncoated ZnSe windows maintain quality, reliability, and repeatable optical performance.