Rectangular sapphire windows excel in applications where high pressure, vacuum conditions, or corrosive atmospheres are factors. In challenging environments, these windows surpass all other optical materials, establishing a superior barrier against the elements. When faced with harsh environmental conditions, rectangular sapphire windows become essential for delivering elevated levels of performance and reliability.

At Blue Box optics, we specialize in crafting a variety of sapphire optical windows tailored to unique requirements and specifications. Our extensive expertise in sapphire optical window production enables us to provide options with precision-polished surfaces, ensuring high surface accuracy and parallelism.

Blue Box optics boasts substantial experience in the production of customized sapphire windows, offering options with C plane (C Axis), R plane (R Axis), and A plane (A Axis) cutting.

Through our advanced sapphire window polishing processes, we achieve high-precision optical flatness, a surface finish with minimal scatter, and the elimination of surface and subsurface damage. Feel free to reach out to us today for a complimentary quote on your custom rectangular sapphire windows.

The substrate of the sapphire optical window consists of synthetic sapphire crystal (Al2O3). Synthetic sapphire, a crystal ranking second only to diamonds in hardness, manifests as a single-crystal form of pure and transparent Al2O3. Its exceptional mechanical, optical, physical, and chemical properties position sapphire as an ideal material for designing and implementing high-performance systems. In comparison to other optical materials, sapphire stands out as the optimal choice for a broad spectrum of demanding environmental applications.

1. Aerospace: Sapphire windows find extensive use in aerospace equipment and instruments owing to their impeccable durability, corrosion resistance, high-temperature resistance, and broad spectral transmission range.

2. Sapphire flash lamps: Renowned for high-temperature resistance and low thermal expansion, sapphire serves as a protective window for robust lamps and flashlights, ensuring scratch resistance and preventing bursting.

3. Analytical instruments applications: In scenarios where the analyzed gas or liquid is highly corrosive, sapphire windows prove invaluable due to their corrosion-resistant properties. Moreover, their excellent transmittance across a wide spectrum from ultraviolet to infrared makes them widely applicable in analytical instruments.

4. Medical equipment applications: The outstanding durability of sapphire windows renders them indispensable in various medical applications, including laser medical instruments, laser beauty instruments, and endoscopes.

5. Optical applications: With the extensive spectral range of sapphire crystals, sapphire windows can be employed in a myriad of optical applications, spanning from ultraviolet to infrared. Their mechanical and physical properties confer an advantage over optical windows made from alternative materials.

6. Illumination applications: The heat resistance of sapphire windows makes them ideal for use as protective materials in high-brightness lighting applications.

7. Watches and industrial instruments: Sapphire windows serve as protective covers for watches or gauges, offering resistance to scratches, robustness, and a guarantee against bursting.

As an ideal material for UV and IR applications, a sapphire optical window stands out for its ability to transmit extensively into both UV and IR bands. Its thermal and chemical resilience allows it to withstand extreme plasmas and temperatures, surpassing the capabilities of other materials. Even under such conditions, a sapphire window continues to transmit high-powered UV, visible, and IR light for extended periods without any degradation.

These unique properties position sapphire windows as the preferred material for UV/VIS/IR sensors, IR surveillance, reconnaissance, and broadband inspection equipment, especially in scenarios involving abrasives.

Sapphire windows emerge as the top choice for pyrometry, offering wide wavelength transmission while effectively isolating hot zones up to 2000°C from external room temperature observation. This makes sapphire windows the perfect sight window for furnaces and high-temperature processing equipment.

In the realm of medical and dental tools requiring UV sterilization, curing, and IR thermal processing, sapphire windows, and transparent tools shine in their performance.

Blue Box optics is a reliable and professional custom sapphire glass parts manufacturer that provides precision and high-quality custom sapphire parts. Our OEM custom sapphire glass parts including sapphire domes, kerf sapphire domes, sapphire hemispherical domes, sapphire hyper-hemispherical domes, aspheric sapphire domes, spherical sapphire domes, conformal sapphire domes, U-shape sapphire domes, optical domes, special-shaped sapphire hyper-hemisphere domes, sapphire lenses, sapphire IPL light guides, sapphire tubes, sapphire capillary tubes, sapphire windows, sapphire round windows, sapphire rectangular windows, sapphire large windows, sapphire T-step windows, sapphire rods, sapphire tapered rods, sapphire piston/plunger rods, sapphire screw rods, micro sapphire rods, sapphire cones, sapphire wedges, sapphire optical prisms, sapphire prisms, sapphire dove prisms, sapphire substrates, sapphire blocks, sapphire connectors, sapphire watch crystals, sapphire watch lens, sapphire watch covers, sapphire single dome, sapphire double dome, sapphire blades, sapphire holes parts, sapphire iregular parts, and so on. Factory supply super competitive prices, saving you 20-80% on purchasing costs. Contact us to get a free quote for your custom sapphire glass parts project now.