High-Precision BK7 Optical Glass Plano Concave Lens For Laser Systems

Material:
• BK7 Optical Glass: BK7 is a high-quality borosilicate crown glass known for its excellent optical properties. It is widely used in the optics industry due to its clarity, low inclusions, and high transmission of visible light.

Properties:
• High Transmission: BK7 glass offers high transmission rates in the visible spectrum, making it ideal for applications requiring clear and bright images.

• Low Dispersion: This material has a low dispersion (Abbe number of 64.17), which helps in minimizing chromatic aberration, ensuring sharp and accurate color reproduction.

• Durability: BK7 is resistant to chemical and environmental factors, providing long-lasting performance in various conditions.

• Refractive Index: It has a refractive index of 1.5168 at 587.6 nm, which is suitable for many optical applications.

Function:
• Beam Divergence Control: Plano concave lenses are used to diverge collimated beams, making them essential in laser systems for controlling beam divergence.

• Image Reduction: These lenses can reduce the size of an image, which is useful in various optical setups.

• Light Manipulation: They are crucial in systems where precise light manipulation is required, such as in laser beam expanders and optical instruments.

Applications:
• Laser Systems: Used in laser beam shaping and focusing applications, plano concave lenses help in creating uniform beam profiles for various industrial and scientific purposes.

• Optical Instruments: Integral in various optical devices such as spectrometers and optical coherence tomography (OCT) systems, where precise light manipulation is required.

• Medical Imaging: Essential in medical imaging devices, these lenses enhance the clarity and precision of images, aiding in accurate diagnostics.

• Scientific Research: Widely used in research laboratories for experiments requiring precise control and manipulation of light.

• Industrial Applications: Employed in machine vision systems and other industrial applications where accurate light shaping and focusing are critical.