Quartz UV Optical Window | 250–400nm Band, >95% Peak Transmission

Quartz UV Optical Window | 250–400nm Band, >95% Peak Transmission

OPTOStokes high-purity quartz UV optical windows deliver exceptional transmission performance across the full 250–400nm ultraviolet spectrum, with peak transmittance exceeding 95% throughout the operating band. Engineered for demanding optical environments and long service life, these windows exhibit excellent spectral uniformity, low autofluorescence, and high resistance to UV degradation, making them ideal for both OEM system integration and R&D prototyping applications. They complement our full range of UV Filters and ultraviolet optical components to support complete, optimized optical system designs.

Technical Specifications

Typical Applications

These quartz UV windows are widely deployed across precision optical systems where consistent ultraviolet performance is critical. Key application areas include:

• Laser Systems and UV laser beam delivery assemblies

• Analytical Instruments and spectroscopic detection equipment

• Fluorescence detection and biomedical imaging systems

• Industrial inspection and UV curing processing equipment

• Environmental monitoring and UV sensor platforms

Customization & Service Support

OPTOStokes maintains an extensive in-stock selection of standard-sized quartz UV windows for fast turnaround, while also offering full custom engineering support to match unique system specifications. Available form factors include circular blanks, square substrates, and custom irregular shapes, with precise control over thickness, edge finishing, and surface quality. Optional mounting rings, custom antireflective coatings, and stepped window configurations are also available to simplify system integration. Our in-house fabrication and coating teams leverage advanced thin-film technology to deliver world-class precision and consistent quality, with reliable, predictable lead times for both prototype and production volumes.

Get Your Optical Solution

Many engineering and procurement teams face persistent challenges with long lead times for custom UV optics, inconsistent batch transmission performance, and limited technical support during integration. At OPTOStokes, we combine deep optical engineering expertise with responsive customer support to deliver reliable, high-performance UV windows tailored to your exact specifications. Whether you need small-batch prototype samples or high-volume OEM production, our team is ready to provide technical guidance and competitive pricing. Contact us at sales@optofilters.com to discuss your requirements or request a formal quote.