λ/4 N-BK7 Windows

Kingwin Optics offers a range of high-quality N-BK7 optical windows that are designed to transmit light while providing protection to sensitive cores within a system. These windows are made from N-BK7 glass, which is known for its low cost, high optical transmission across the visible spectrum and into the near-infrared region, low dispersion, high hardness, and resistance to scratches and abrasions. Kingwin Optics offers both stock and custom λ/4 N-BK7 windows with multiple coating options, including uncoated, 400-700nm, 700-1100nm, 1100-1650nm, or customizable coatings. The off-the-shelf products have standardized sizes, which benefit OEMs, while custom versions can have a maximum diameter of 300mm.

Features:

• High Optical Transmission: N-BK7 glass, the material used for λ/4 N-BK7 Windows, exhibits high optical transmission across the visible spectrum and into the near-infrared region. This allows for efficient light transmission with minimal loss.
• Low Dispersion: N-BK7 glass has low dispersion properties, which means it minimizes the separation of light into different colors (chromatic aberration) as it passes through the window. This ensures that images remain clear and undistorted.
• High Hardness and Scratch Resistance: The material is hard and resistant to scratches and abrasions, making the windows durable and long-lasting even in demanding environments.
• Temperature Stability: N-BK7 glass can withstand changes in temperature without significant expansion or contraction, ensuring stable optical performance over a wide range of conditions.
• Customizable Coatings: λ/4 N-BK7 Windows are available with multiple coating options, including uncoated, 400-700nm, 700-1100nm, 1100-1650nm, or customizable coatings. This allows for tailored optical performance to meet specific application requirements.
• Excellent Surface Quality: The windows feature an exceptional surface quality, accredited to tight geometric control measures, ensuring optical excellence and robustness.

Applications:

• Lasers: λ/4 N-BK7 Windows are widely used in laser systems to protect sensitive optical components while allowing efficient laser beam transmission. Their high optical transmission and low dispersion properties make them ideal for precision laser applications.
• Optical Instruments: These windows are also suitable for use in various optical instruments, such as microscopes, spectrometers, and interferometers. They provide a clear optical path while protecting the internal components from dust, moisture, and other contaminants.
• Sensors: In sensor applications, λ/4 N-BK7 Windows can be used to transmit light to and from the sensing element, while protecting it from external conditions that could affect its performance.
• Cameras: Cameras, especially those used in harsh environments or requiring high optical performance, can benefit from λ/4 N-BK7 Windows. They allow for clear image capture while protecting the camera’s optics.
• Medical Devices: In medical devices, such as endoscopes and surgical lasers, λ/4 N-BK7 Windows play a crucial role in transmitting light while ensuring the sterility and integrity of the device.

These N-BK7 windows feature an exceptional surface quality of 10/5 S/D, accredited to Kingwin Optics’ tight geometric control measures, optical excellence, and robustness. They are competent at various tasks and can be incorporated into a diverse range of optical devices, including sensors, cameras, and lasers.