OP8313 Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated

Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated Description

Lithium Fluoride (LiF) Window, with a diameter of 25.4 mm and thickness of 1.0 mm, uncoated, offers exceptional optical clarity across a wide range of wavelengths. Known for its low refractive index and minimal dispersion, LiF is an ideal choice for UV, visible, and infrared applications. Owing to its high transmission in the vacuum UV region up to 10.5 µm, it is commonly utilised in high-precision spectroscopy, laser systems, and specialised optical assemblies.

This window meets stringent quality standards and undergoes meticulous inspection for surface accuracy and purity. Due to its sensitivity to moisture and thermal shock, LiF should be handled with care and stored in a controlled environment. With precise dimensional tolerances and consistent optical performance, it serves as a reliable component in research laboratories, industrial settings, and advanced instrumentation across numerous fields.

Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated Applications

Lithium Fluoride (LiF) windows excel in transmitting ultraviolet radiation, making them invaluable for a wide array of specialised uses. These windows feature remarkable optical properties such as high radiation resistance and low refractive index, enhancing their versatility and durability. Their performance in challenging environments ensures reliability, making the LiF window an excellent choice for industrial, research, and commercial applications.

1. Industrial Applications

·         Application 1: Used in advanced laser cutting and welding equipment where LiF’s ultraviolet and near-infrared transparency ensures consistent performance under intense beam conditions.

·         Application 2: Employed as protective viewports in plasma processing chambers, leveraging LiF’s stability and chemical resistance for high-precision operations.

2. Research Applications

·         Application 1: Integral for spectroscopy setups spanning deep UV to IR wavelengths, as LiF windows enable high transmission with minimal distortion.

·         Application 2: Utilised in particle physics experiments for calibrating optical sensors, with LiF’s robust radiation tolerance ensuring accurate data collection.

3. Commercial Applications

·         Application 1: Deployed in medical diagnostic devices that require efficient UV-based imaging, benefiting from LiF’s transparent and durable structure.

·         Application 2: Integrated into specialised cosmetics testing equipment, offering reliable protection from abrasive chemicals and maintaining optical clarity.

Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated Packaging

Each Lithium Fluoride Window is individually cushioned in a foam-lined container, then sealed in a moisture-resistant pouch to prevent contamination and mechanical damage. For extended storage, a dry, low-humidity environment is recommended, preferably in a desiccator, to minimise moisture absorption. Anti-static materials and sealed wrappers help reduce particulate exposure. Custom labelling and specialised packaging options are available upon request to meet unique handling and storage requirements.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated FAQs

Q1: What are the key material properties of Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated ?

A1: Lithium Fluoride (LiF) is known for its wide transmission range, from the vacuum UV to the IR, along with a low refractive index and excellent UV transmittance. It has a high damage threshold for laser applications, making it ideal for excimer lasers and deep UV systems. However, LiF is relatively soft and brittle, requiring gentle handling to avoid scratches or chipping during use.

Q2: How should this product be handled and stored?

A2: Due to Lithium Fluoride’s softness and susceptibility to thermal shock, it should be handled with lint-free gloves and stored in a clean, moisture-controlled environment. Avoid rapid temperature changes or contact with harsh chemicals to preserve optical quality. If cleaning is necessary, gently use mild solvents and non-abrasive wipes. Ensure the protective packaging is intact during storage to prevent accidental damage or contamination.

Q3: Which quality standards and certifications apply to Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated ?

A3: These LiF windows typically meet ISO 10110 standards governing optical elements, including surface quality, homogeneity, and dimensional tolerances. Manufacturers often comply with MIL-PRF-13830B for scratch-dig specifications. RoHS compliance ensures the product is free from hazardous substances. Facilities may also hold ISO 9001 certifications to guarantee consistent manufacturing processes and quality management systems. Customers should request specific documentation to confirm adherence to relevant standards and certifications.

Related Information

1. Material Properties and Advantages

Through a precise construction approach, the Lithium Fluoride Window (LiF) Dia. 25.4 mm x Thk. 1.0 mm, Uncoated offers exceptional optical clarity across a wide spectral range. It maintains high transmittance from the vacuum ultraviolet region through to the infrared, making it well-suited for scientific and industrial use. This uncoated LiF window demonstrates low absorption levels, which helps minimise potential losses in laser-based systems. Its cubic crystal structure also contributes to notable thermal and mechanical stability under appropriately controlled environmental conditions.

In addition to its optical performance, Lithium Fluoride exhibits a relatively low refractive index compared to many other crystalline materials. This characteristic supports efficient beam transmission and reduces the likelihood of surface reflections that can degrade image or signal quality. The 25.4 mm diameter and 1.0 mm thickness are carefully selected to balance substantial clear aperture with minimal bulk, ensuring optimal integration into compact instrumentation. These material advantages enhance the LiF window’s suitability for precision applications such as spectroscopy, beam sampling, and sensitive detection tasks.

2. Applications in Advanced Industries

Due to its excellent transmission properties and broad wavelength coverage, this Lithium Fluoride Window is frequently employed in semiconductor processing and scientific research tools, including plasma diagnostic devices. Its ability to handle high-intensity radiation and preserve stable performance in extreme conditions makes it a critical component in advanced laser systems used for precision cutting and microfabrication. The non-hygroscopic nature of LiF helps maintain optical performance even in environments with moisture fluctuations, which is particularly relevant in complex industrial setups.

Moreover, the LiF window’s wide operating temperature range supports functionality in demanding sectors such as aerospace instrumentation and advanced medical systems. Its uncoated surface ensures minimal interference effects, enhancing data accuracy in spectrometers and analytical devices that rely on accurate light transmission. The 25.4 mm diameter complements standard optical mounts, while the 1.0 mm thickness strikes the right balance between mechanical stability and reduced weight. These specific attributes allow for extensive deployment in modern high-tech facilities that require precise and reliable optical materials.