OP8345 Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated

Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated Description

Lithium Fluoride (LiF) is recognised for its exceptional optical transparency over a broad wavelength range, extending from the vacuum ultraviolet (VUV) to the infrared. This Dia. 25.4 mm x 1 mm, uncoated LiF window is precisely manufactured to provide minimal scatter, excellent wavefront integrity, and a low refractive index. Its significant radiation resistance makes it particularly suitable for high-energy environments, while its strong transmittance in the 0.11 – 6 µm region ensures accurate and repeatable measurements in spectroscopic, laser, and other advanced optical systems.

Manufactured according to stringent quality protocols, this LiF window meets rigorous standards for surface finish, dimensional accuracy, and material purity. Every unit undergoes thorough inspection and testing, guaranteeing consistent optical clarity and reliable performance essential for demanding research, industrial, and scientific applications.

Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated Applications

Lithium Fluoride (LiF) Windows are widely used in spectroscopic and optical applications due to their excellent transmission from the vacuum ultraviolet (VUV) through the infrared range. With high damage threshold and outstanding chemical resilience, these uncoated LiF windows maintain precision in challenging conditions. Their unique optical clarity and low refractive index make them invaluable in sensitive instrumentation that demands reliable and precise light transmission.

1. Industrial Applications

·         High-power laser systems: LiF’s exceptional damage threshold helps withstand intense laser outputs, ensuring durability and consistent performance.

·         UV curing processes: The window’s wide spectral range supports efficient exposure, speeding up production in demanding industrial environments.

2. Research Applications

·         Vacuum UV spectroscopy: LiF’s transparency at extremely short wavelengths allows researchers to investigate high-energy phenomena with minimal distortion.

·         Plasma diagnostics: Its chemical stability endures harsh plasma settings, enabling precise measurement of plasma emissions.

3. Commercial Applications

·         Optical sensing devices: LiF’s low refractive index promotes accurate readings in devices for environmental monitoring and industrial inspections.

·         UV sterilisation equipment: Its durable nature and excellent UV transmission maintain efficiency in disinfection systems across commercial settings.

Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated Packaging

Each Lithium Fluoride Window is carefully sealed between layers of foam and moisture-resistant plastic to protect against scratches and humidity. An airtight container further reduces contamination risks. Store in a clean, temperature-controlled environment to ensure optimal performance and prevent surface degradation. Optionally, desiccant packets can be included for added moisture control. Customised packaging solutions are available to accommodate different shipping methods and storage needs, ensuring safe handling and preserving product integrity.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated FAQs

Q1: What are the key material properties of Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated?

A1: Lithium fluoride is recognised for its wide spectral transparency range from the vacuum ultraviolet (VUV) to the infrared region, making it highly suitable for specialised optical applications. It exhibits low refractive index, high radiation resistance, and low solubility in water compared to other alkali halides. This window has excellent UV transmission, minimal birefringence, and a relatively soft crystal structure, requiring careful handling. Its thermal expansion coefficient is moderate, allowing reliable performance under changing temperatures.

Q2: How should this product be handled and stored?

A2: Because LiF is relatively soft and can be susceptible to mechanical damage, it should be handled with cotton or nitrile gloves to avoid fingerprints and scratches. Storage in a low-humidity environment is recommended, as extremes in moisture or temperature may degrade the crystal surface. Keep it in protective packaging when not in use and avoid harsh cleaning agents. Gentle cleaning with isopropyl alcohol or deionised water is preferred.

Q3: Which quality standards and certifications apply to Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated?

A3: These windows are typically manufactured in accordance with ISO 10110 optical component guidelines, ensuring precise material characterisation and minimal surface defects. They may also conform to MIL-PRF-13830B if required for defence or aerospace applications. The crystalline quality is evaluated under stringent inspection standards to confirm uniform refractive index and low scatter. Each piece can be accompanied by documentation validating dimensional tolerances, flatness, and cleanliness, assuring consistent, high-quality performance across different batches.

Related Information

1. Quality Control Measures

A rigorous set of standardised testing protocols is implemented to confirm that every Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated meets its strict optical and dimensional requirements. Assessments include verifying flatness through interferometric analysis and utilising visual inspections to detect any surface irregularities. These evaluations are particularly vital for LiF windows, as high transparency and uniformity ensure dependable performance in demanding optical setups.

Batches of LiF windows undergo additional stress testing to validate their mechanical stability and thermal resilience. Careful scrutiny of scratch-dig specifications guarantees minimal surface defects, preserving the window’s overall integrity and functionality. This systematic approach to quality control not only upholds consistent product performance but also reinforces customer confidence in research, industrial, and laboratory environments.

2. Applications in Advanced Industries

Critical tasks in semiconductor fabrication rely on Lithium Fluoride Window (LiF) Dia. 25.4 mm x 1 mm, Uncoated for its superior transmittance in far-ultraviolet ranges. Its low refractive index and excellent radiation resistance make it a preferred choice in procedures where spectral purity and precision are paramount. In photonics research, LiF windows facilitate accurate measurements, playing an integral role in the development of laser systems and analytical equipment.

Defence technologies also benefit significantly from LiF windows, particularly in sophisticated optical targeting and guidance systems. Their durability under high-energy radiation and capacity to maintain clarity over a broad range of wavelengths contribute to more reliable operational outcomes. As LiF windows support rigorous design specifications, they are frequently chosen for mission-critical applications within aerospace and military sectors.