OP8347 Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated

Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated Description

Lithium Fluoride (LiF) is a durable crystalline material recognised for its exceptional transmittance from the vacuum ultraviolet (VUV) to the infrared spectrum. This uncoated LiF window, measuring 50.8 mm in diameter and 3.0 mm thick, is engineered to provide clear, distortion-free optical surfaces for various demanding applications. The nature of LiF allows for resistance to moisture and thermal shock, enabling performance in challenging operating conditions. Its broad spectral range and stability of the refractive index make it a choice for spectroscopic testing, laser systems, and sensor instrumentation.

To ensure high quality, each LiF window is fabricated under rigorous quality control standards, guaranteeing minimal surface imperfections and optical uniformity. Whether required for advanced vacuum ultraviolet imaging or precise infrared spectroscopy, this LiF window delivers optical performance and durability to meet strict research and industrial requirements.

Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated Applications

Lithium Fluoride (LiF) Windows of 50.8 mm diameter and 3.0 mm thickness provide exceptional transmission from the vacuum ultraviolet (VUV) to the infrared range, making them versatile in demanding optical tasks. With radiation resistance and minimal absorption at deep UV wavelengths, these uncoated windows are valued in environments that demand high-purity and reliable optical performance.

1. Industrial Applications

·         High-Power Laser Optics: LiF Windows are used in laser systems where minimal absorption and excellent UV transmission allow for efficient energy delivery.

·         UV Sterilisation Units: Their durability and transparency in the VUV range make them suitable for use in disinfection systems that rely on intense UV light.

2. Research Applications

·         Spectroscopic Instruments: LiF Windows provide clear transmission of deep UV radiation, enabling precise characterisation of materials in spectroscopy.

·         Radiation Testing Facilities: Their resistance to ionising radiation makes them suitable for windows in beamlines and accelerator environments.

3. Commercial Applications

·         Optical Imaging Devices: LiF Windows help deliver sharp images in specialised cameras and scanning systems, thanks to their broad transparency range.

·         Analytical Tools: Their low absorption properties support accurate measurements in commercial testing equipment, ensuring reliable data collection.

Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated Packaging

The Lithium Fluoride Window (LiF), diameter 50.8 mm, thickness 3.0 mm, uncoated, is shipped in a sealed anti-static pouch within a foam-padded container. Additional bubble wrap safeguards the optic from impacts. Store in a clean, dry environment to prevent moisture and contamination. Wear powder-free gloves when handling. Packaging can be customised with specialised labelling or multiple layers for extreme conditions.

Packaging: Vacuum sealed, Wooden Box, or Customised.

Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated FAQs

Q1: What is the typical transmissivity range and thermal stability of Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated?

A1: Lithium fluoride (LiF) is known for its high transparency in the UV range, spanning from around 120 nm up to the visible region, making it suitable for vacuum ultraviolet applications. The material has a high melting point of approximately 870°C, offering strong thermal stability. With a hardness on the Mohs scale of around 3, LiF windows are moderately scratch resistant, making them appropriate for most optical setups.

Q2: What precautions must be taken when handling and storing Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated?

A2: To prevent surface damage, always handle LiF windows with powder-free gloves or use clean tweezers with soft tips. Avoid contact with moisture or abrasive surfaces, as LiF can be sensitive to humidity and mild scratching. Store the windows in a clean, dry environment, ideally sealed with desiccant to maintain low humidity. Periodic inspection for dust or debris is recommended, and cleaning should follow gentle optical procedures.

Q3: Which quality standards and certifications apply to Lithium Fluoride Window (LiF) Dia. 50.8 mm x Thk. 3.0 mm, Uncoated?

A3: These LiF windows typically align with ISO 10110 guidelines for optical material characterisation, including specifications for surface quality, wavefront distortion, and allowable inclusions. Many also meet REACH and RoHS compliance, confirming restrictions on hazardous substances. Manufacturers often provide traceable documentation regarding optical tolerances, chemical purity, and dimensional accuracy to ensure adherence to strict aerospace, semiconductor, or laboratory standards and facilitate global acceptance.

Related Information

1. Material Properties and Advantages

Lithium Fluoride Window (LiF) with a diameter of 50.8 mm and a thickness of 3.0 mm, uncoated, is distinguished by its excellent transparency in the ultraviolet spectrum, making it suitable for high-precision optical systems. It exhibits a low refractive index compared to other window materials, which helps reduce reflection losses and maintain image clarity in demanding UV applications.

These windows possess chemical stability, allowing them to resist degradation in harsh environments and maintain consistent performance over extended periods. Also, LiF exhibits thermal shock resistance, meaning it can withstand rapid temperature changes without cracking or losing optical functionality, a critical advantage in settings where precision and reliability are essential.

2. Applications in Advanced Industries

Optical instruments in aerospace and satellite imaging regularly utilise LiF windows for their ability to minimise signal distortion and preserve accurate data across a broad wavelength range. Their robustness under variable temperatures also makes them suitable components in ultraviolet spectrometers, where maintaining alignment is crucial.

Medical research facilities employ these uncoated LiF windows in specialised laser systems to enhance beam transmission and reduce unwanted artifacts during procedures. Furthermore, semiconductor manufacturing processes rely on the window’s stability and high UV transmission to ensure precise patterning, enabling the development of more efficient components and devices.