Quartz Window

This non-crystalline, uv fused silicaglass combines a very low thermal expansion coefficient with good optical qualities and excellent transmittance in the ultraviolet region. Transmission and homogeneity exceed those of crystalline quartz without the problems of orientation and temperature instability inherent in the crystalline form. It will not fluoresce under UV light and is resistant to radiation. Our fused quartz windowsare made from high-purity quartz, which offers superior optical transmission properties, as well as exceptional thermal and mechanical performance.

Specification of Quartz Window

Material	Fused Silica
Diameter	1 to 500 mm
Diameter Tolerance	+0/-0.02 mm
Thickness Tolerance	±0.01 mm
Surface Quality	10-5
Surface Figure	λ/10
Parallelism	1 Minute
Coating	Uncoated, AR, HR, Beamsplitter, etc.

Our quartz glass windows are available in a variety of shapes and sizes, including standard sizes and custom designs to suit your specific needs. We also offer various coatings and treatments to enhance the performance of our quartz windows, including anti-reflection coatings, hydrophobic coatings, and more.

At TC Optik, we are committed to providing exceptional customer service and support, with fast turnaround times and competitive pricing to meet your needs. Contact us today to learn more about our optical window glassand how they can help you achieve your optical and industrial needs.

Types of optical window glass for your needs:

BK7 optical windows

Custom sapphire windows

ZnSe laser lens

Germanium window

Silicon window

Borosilicate glass windows

Float glass optical windows

What's the difference between quartz windows and fused silica glass

Quartz windows and fused quartz glassare both materials that are commonly used for optical windows and other high-performance applications. While they may appear similar, there are some key differences between these materials.

Quartz windows are made from natural quartz crystals that are mined from the earth, while fused silica glassis produced by melting high-purity silica using high-temperature techniques.

Fused silica glass is typically purer than quartz, with a purity level of over 99.9%.

Both materials have excellent optical transmission properties, but quartz typically has a lower transmission range in the ultraviolet spectral region than fused silica glass.

Quartz has a slightly higher refractive index than fused silica glass.

Quartz has a higher coefficient of thermal expansion compared to fused silica glass, making it more prone to thermal shock.

Quartz is typically less expensive than fused silica glass.

Quartz windows are commonly used in applications that require a lower level of purity and precision, while fused silica glass is often used in applications that require higher levels of purity, precision, and performance, like in high-end optical components, cutting-edge semiconductor OEM applications, and high-intensity discharge lamps. Ultimately, the choice of material depends on the specific application and the performance requirements of the project.

Fused silica glass properties

Fused silica glass is a high-purity form of silica that is produced by melting high-purity silica at very high temperatures and then rapidly cooling it to form a glass. Some key properties of fused silica glass include:

These properties make fused silica glass an excellent material for use in optical applications, such as lenses, prisms, mirrors, and windows, as well as in high-temperature applications, semiconductor-quality quartzware and other high-performance applications.

Fused silica glass uses

Fused silica glass has a wide range of uses in various industries and applications, including:

The unique properties of fused silica glass make it an ideal material for a broad range of high-performance applications across many industries.

IR vs. UV Grade Fused Silica

UV and IR grade fused silica are two different types of fused silica glass that are optimized for use in different wavelength ranges of light.

UV grade fused silica has high transmission properties in the ultraviolet range of the spectrum, typically between 180 to 400 nanometers (nm). UV grade fused silica has a low level of impurities, which makes it ideal for use in applications such as UV spectroscopy, imaging, and laser optics.

IR grade fused silica, on the other hand, has high transmission properties in the infrared range of the spectrum, typically between 1.5 to 6 microns. IR grade fused silica is optimized to have low absorption in the infrared region, which makes it ideal for use in applications like Fourier transform infrared (FTIR) spectroscopy, IR imaging, and high-temperature IR optics.

While both UV and IR grade fused silica have excellent thermal properties, high mechanical strength, and low thermal expansion coefficients, their optical properties are optimized for different ranges of the spectrum. Therefore, it is important to choose the appropriate grade of fused silica based on the specific application and wavelength range requirements.

If you want to buy fused silica lens, please leave us a message.

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