OP8240 Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated

Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated Description

Our uncoated Silicon Window, measuring 25.4 mm in diameter and 3.0 mm in thickness, is crafted to provide outstanding infrared (IR) transmittance and durability. Silicon (Si) is recognised for its low density, excellent thermal conductivity, and uniform high-purity structure, making it a preferred choice for applications requiring precise optical performance and resilience in challenging conditions. This window’s broad IR transmission range and low chromatic aberration enable accurate imaging, laser systems, and spectroscopic analysis.

Each Silicon Window is manufactured according to stringent quality standards, ensuring minimal surface imperfections, tight dimensional tolerances, and optimal flatness. Whether utilised in research laboratories, industrial instrumentation, or advanced optical assemblies, this versatile Si component delivers reliable results while maintaining performance stability under varying environmental conditions.

Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated Applications

Silicon Windows (Si) with a 25.4 mm diameter and 3.0 mm thickness are known for their high thermal conductivity, durability, and excellent transmission in the infrared range. These properties make them invaluable for use in harsh environments, optical instruments, and advanced research applications. The uncoated finish helps maintain their natural resistance to damage and allows versatile integration into a variety of systems.

1. Industrial Applications

·         Laser Processing: The window’s high damage threshold and IR transparency facilitate safe power delivery and beam focusing.

·         Harsh Environment Monitoring: Durability and thermal stability make it suitable for industrial sensors and temperature measurement setups.

2. Research Applications

·         Spectroscopy: Exceptional IR transmission allows for precise analysis of samples in laboratory and university research.

·         Vacuum Chambers: Sturdy structure and minimal outgassing make it suitable for experiments requiring low pressure environments.

3. Commercial Applications

·         Infrared Imaging Devices: The window’s transparency and strength support high-resolution imaging in consumer electronics.

·         Protective Enclosures: Uncoated silicon can serve as a protective viewport for laser or sensitive optical modules in commercial systems.

Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated Packaging

Each uncoated Silicon Window (Si) measuring 25.4 mm in diameter by 3.0 mm thick is carefully enclosed in an anti-static poly bag to protect against scratches and contamination. The enclosed package is then placed in a padded carrying box for shock absorption. Store sealed in a low-humidity environment. We offer customised labeling and protective packaging features to suit diverse shipping and handling needs.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated FAQs

Q1: What are the key material properties of Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated?

A1: The key material properties for the uncoated 25.4 mm diameter x 3.0 mm thickness silicon window include high transmittance in the IR range (approximately 1.2 to 7 μm), low thermal expansion, and excellent thermal conductivity (up to 149 W/mK). The crystalline structure ensures uniform mechanical stability, while its density of about 2.33 g/cm³ provides moderate weight. Additionally, silicon’s high Knoop hardness enhances durability.

Q2: How should this product be handled and stored?

A2: These windows should be handled with powder-free gloves to prevent contamination, as oil and dust can degrade optical performance. Always lift or support them by the edges, avoiding direct contact with the optical surfaces. Keep them in a clean, dry environment, preferably in a closed container with cushioning to prevent mechanical shock. Inspect for debris before use, and gently remove particles using compressed air or non-abrasive cleaners.

Q3: Which quality standards and certifications apply to Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated?

A3: These silicon windows typically adhere to ISO 10110 specifications for optical components, ensuring precise dimensional tolerances, surface accuracy, and minimal imperfections. Manufacturers also follow ISO 9001-certified quality management systems to maintain consistent production standards. Some suppliers may comply with MIL-PRF-13830B or equivalent military standards pertaining to scratch-dig criteria. Thorough inspection, including interferometric testing, is performed to verify flatness and surface quality, supporting dependable optical performance.

Related Information

1. Manufacturing Process

Meticulous techniques are employed when producing this Silicon Window (Si) Dia. 25.4 mm x Thk. 3.0 mm, Uncoated, ensuring that each stage of fabrication meets rigorous specifications. Specialized equipment is used to slice silicon ingots into precise discs, maintaining accurate diameter and thickness requirements. Subsequently, the discs undergo careful lapping and polishing sequences that produce an ultra-smooth surface, pivotal for optimal optical clarity and minimal scattering when used in high-precision systems.

Advanced inspection protocols verify that the finished windows exhibit consistent dimensions and minimal surface imperfections. During these checks, potential internal flaws such as micro-cracks or inclusions are identified through non-destructive testing methods. This attention to detail safeguards the window's structural integrity, enabling reliable performance in environments where stable IR transmission and durability are critical.

2. Applications in Advanced Industries

Unique properties of silicon make these uncoated windows highly sought after in industries that rely on infrared imaging and spectroscopy. Their thermal stability and transparency in the infrared range allow them to serve as protective barriers in systems such as IR gas analyzers, thermographic cameras, and laser-based instruments. This capability underscores their value for research facilities and industrial applications where precise data acquisition is mandatory.

Testing has also confirmed that these windows retain their performance under extreme operating conditions, including rapid temperature fluctuations and high-vacuum environments. As a result, they form a crucial component in aerospace and semiconductor manufacturing, where reliable optical components enable more accurate process monitoring and product diagnostics. These advanced applications illustrate how a carefully crafted silicon window can support various operations.