Optical Components - Page 4 of 4

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Wedge Prisms

Precise Light Deflection: Wedge prisms are designed with a shallow angle between their input and output faces, allowing them to deflect light towards the thicker portion of the prism at specific deflection angles.

Adjustable Deflection Angle: The larger the wedge angle, the greater the angle of deviation when light emerges from the prism, providing flexibility in controlling the direction of the light beam.

Circular Laser Beam Scanning: Rotating the wedge prism about the optical axis enables the achievement of circular laser beam scanning output, making it suitable for various scanning applications.

Convenient Mounting: Wedge prisms are often fabricated into circular shapes for easy insertion into rotatable mountings, enhancing their usability in different setups.

Versatile Pairing: Wedge prisms can be used as a single element or in pairs (Risley Prism Pair), offering versatility in meeting specific optical requirements.

Applications: Laser Beam Steering, Anamorphic Beam Shaping, Adjustable Light Deflection, Circular Light Path Tracing, Optical Instrumentation, etc.

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λ/10 UV Fused Silica Windows

Protection and Performance Enhancement: Optical windows act as a barrier, protecting sensitive cores from detrimental external conditions. They can also increase transmission, enhance contrast, or seal a hermetic chamber.

Versatile Applications: Optical windows can be incorporated into a diverse range of optical devices, including sensors, cameras, and lasers, making them suitable for various industries and applications.

Multiple Coating Options: Kingwin Optics offers stock and custom λ/10 UV fused silica windows with multiple coating options, including uncoated, 400-700nm, 700-1100nm, 1100-1650nm, or customized coatings, providing flexibility for different applications.

Standardized Sizes: Off-the-shelf products have standardized sizes, which benefit OEMs by simplifying the integration process.

Advantages: UV fused silica, the material used in Kingwin Optics’ windows, is known for its exceptional transmittance in the UV spectrum, low thermal expansion, and superior holistic characteristics. These characteristics include low fluorescence under UV illumination, high chemical inertness, and mechanical strength, making it an ideal choice for optical applications.

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λ/4 N-BK7 Windows

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, Optical Instruments, Sensors, Cameras, Medical Devices, etc.

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λ/4 UV Fused Silica Windows

High UV Transmission: UV fused silica is known for its exceptional ultraviolet transmittance, making it an ideal material for manufacturing UV optical windows.

Low Fluorescence: The material exhibits low fluorescence under UV illumination, ensuring minimal interference with optical performance.

Chemical Resistance: UV fused silica is resistant to most acids, bases, and solvents, providing durability in harsh environments.

Low Thermal Expansion Coefficient: The material maintains its geometry even under temperature fluctuations, ensuring stability and reliability.

High Scratch Resistance and Mechanical Strength: UV fused silica offers excellent durability, making it suitable for use in demanding applications.

Applications: Sensors, Cameras, Lasers, etc.

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λ10 N-BK7 Windows

High Precision:

λ/10 flatness ensures minimal optical distortion for superior imaging quality.

10/5 S/D surface quality reduces scattering and reflection losses, maximizing light transmission.

Versatile Coating Options:

Standard coatings available for 400-700nm, 700-1100nm, and 1100-1650nm, covering both VIS and IR spectra.

Customized coatings can be tailored to meet specific application requirements.

Robust Material:

Manufactured using SCHOTT’s N-bk7 glass, a ROHs-compliant borosilicate glass material known for its optical excellence, low cost, wide transmittance range (VIS to NIR), and mechanical/thermal resilience.

Laser-Line Optimization:

Designed to transmit laser wavelengths efficiently while minimizing losses due to absorption or scattering.

Deflects harmful laser beams, safeguarding sensitive internal components.

Standardized and Customizable Sizes:

Off-the-shelf products with standardized sizes benefit OEMs.

Custom sizes available to meet specific customer requirements.

Applications: Sensors, Cameras and Imaging Systems, Lasers and Laser Equipment, Scientific and Industrial Instrumentation, etc.

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λ10 UV Fused Silica Plano-concave Lenses
Excellent UV Transmission:

UV fused silica, also known as UV-grade fused silica, is known for its high transmission in the UV range, typically from 190 nm to 2600 nm, depending on the coating. This makes it an ideal material for plano-concave lenses designed to work in the UV spectrum.

Low Fluorescence and Laser-Induced Damage Threshold:

UV fused silica exhibits virtually no laser-induced fluorescence, ensuring that the material does not emit light when excited by UV radiation. This is crucial for applications where fluorescence could interfere with measurements or imaging.

It also has a high laser-induced damage threshold, allowing it to withstand high-intensity laser beams without degrading.

Surface Quality and Accuracy:

The λ/10 surface irregularity specification indicates that the surface deviations from a perfect shape are kept to within one-tenth of the wavelength of light used, typically at 633 nm. This level of precision ensures minimal wavefront distortions and optical aberrations.
- The lenses may also have other surface quality specifications, such as a 40-20 scratch-dig rating, which guarantees a smooth surface with minimal defects.
Material Homogeneity and Stability:

UV fused silica has better homogeneity and a lower coefficient of thermal expansion than some other optical materials, such as N-BK7. This results in less variation in optical properties across the lens and improved stability under changing temperature conditions.

Diverging Ability:

As plano-concave lenses, they have a negative focal length, enabling them to diverge collimated beams. This property is useful in applications where beam expansion or projection is required.

Customizable Coatings:

UV fused silica plano-concave lenses can be coated with various antireflection (AR) coatings optimized for specific wavelength ranges, including those in the UV spectrum. This minimizes reflections and maximizes transmission over the desired wavelengths.

Wide Range of Sizes and Focal Lengths:

These lenses are available in various diameters and focal lengths, allowing for flexibility in system design. This ensures that there is a suitable lens for a wide range of applications.

Compatibility and Mounting Options:

UV fused silica plano-concave lenses are often compatible with standard optical mounts and components, facilitating integration into existing optical systems.

Applications: Laser scanners, remote sensing, imaging instruments, fiber lasers, interferometers, and other optical systems, etc.
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λ10 UV Fused Silica Plano-convex Lenses

Superior Transmission in UV and NIR Regions: UV Fused Silica offers excellent transmission from the ultraviolet (UV) to the near-infrared (NIR) spectrum, making it versatile for a wide range of applications.

High Optical Homogeneity: The material’s uniform composition ensures consistent optical performance, reducing image distortion and improving clarity.

Low Thermal Expansion: UV Fused Silica has a low coefficient of thermal expansion, maintaining optical properties even in varying temperature conditions, which is crucial for high-precision applications.

High Surface Quality (10/5 S/D): The superior surface quality with a scratch/dig specification of 10/5 ensures minimal surface imperfections, leading to reduced scatter and improved image quality.

High Precision (λ/10 Irregularity): The λ/10 surface irregularity ensures a high degree of accuracy in the lens shape, resulting in better focusing and reduced optical aberrations.

Chemical Inertness: UV Fused Silica is chemically inert, making it resistant to environmental factors and suitable for use in harsh conditions.

Mechanical Strength: The material’s robust mechanical properties ensure durability and longevity, even in demanding applications.

Absence of Fluorescence: UV Fused Silica does not fluoresce under UV radiation, making it ideal for applications requiring high-purity optical materials.

Flexibility in Application: These lenses are suitable for various uses, including detectors, imaging instruments, lasers, and fiber optics, due to their excellent transmission and high precision.

Applications: Detectors, Imaging Instruments, Lasers, Fiber Lasers, etc.

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λ4-λ N-BK7 Plano-concave Lenses

High Optical Quality:

The λ4 surface accuracy ensures precision optical performance, minimizing wavefront distortions and optical aberrations.

The 40-20 scratch-dig surface quality guarantees excellent surface smoothness, reducing scattering and unwanted diffraction effects.

Broad Wavelength Range:

These lenses are typically designed for operation across a wide wavelength range, although the exact range may vary depending on the coating and intended application. N-BK7 glass itself has a transmission range from 350 nm to 2.0 μm (uncoated), making it suitable for both visible and near-infrared applications.

Material Properties:

N-BK7 is a high-quality borosilicate crown glass known for its excellent homogeneity, low bubble and inclusion content, and ease of manufacturing.

It offers a good balance of transmission, durability, and cost-effectiveness, making it a popular choice for many optical components.

Focal Length and Diverging Ability:

Plano-concave lenses have a negative focal length, enabling them to diverge collimated beams. This property makes them useful in applications where beam expansion or divergence is required.

Versatility:

Available in various diameters, including 6 mm, 9 mm, 1/2″, 25 mm, 1″, and 2″, allowing for flexibility in system design.

Focal lengths can also vary widely, offering a range of options to suit different applications.

Antireflection Coatings:

While the exact coating specifications may not be directly stated as “λ4-λ” in the context of this question, N-BK7 plano-concave lenses can be coated with various antireflection (AR) coatings to minimize reflections and maximize transmission over specific wavelength ranges. This can improve overall optical efficiency.

Applications: Laser Scanners, Remote Sensing Instruments, Imaging Instruments, Fiber Lasers, Interferometers, etc.

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λ4-λ N-BK7 Plano-convex Lenses

High Optical Homogeneity: N-BK7 glass offers excellent optical clarity and uniformity, ensuring consistent performance and minimal image distortion.

Broad Transmission Range: These lenses provide good transmission in the visible and near-infrared (NIR) spectrum, making them versatile for various applications.

Low Cost: N-BK7 is a cost-effective alternative to other materials like UV Fused Silica or Calcium Fluoride, offering high performance at a lower price point.

Great Resistance to Scratches and Abrasions: The material’s durability ensures long-lasting performance and reduced maintenance, even in demanding environments.

Low Inclusion Content: The high purity of N-BK7 glass results in fewer inclusions, which translates to better optical quality and less scattering of light.

Superior Surface Quality (40/20 Scratch/Dig): The surface quality specification of 40/20 ensures minimal surface imperfections, reducing scatter and enhancing image clarity.

High Precision (λ/4-λ Irregularity): The lenses have a surface irregularity of λ/4 to λ, providing high accuracy in lens shape and reducing optical aberrations for improved focusing.

Versatile Applications: N-BK7 plano-convex lenses are suitable for a variety of uses, including emitters, detectors, imaging instruments, lasers, and fiber optics.

Applications: Emitters and Detectors, Imaging Instruments, Lasers, Fiber Optics, etc.

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λ4-λ UV Fused Silica Plano-concave Lenses

Negative Focal Length and Spherical Aberration: Ideal for diverging collimated light beams and improving image qualities.

Wide Range of Applications: Suitable for laser scanners, remote sensing, imaging instruments, fiber lasers, interferometers, and more.

High-Quality Material: Made from UV Fused Silica or Corning High Purity UV Fused Silica Glass, ensuring superior transmission in the UV region and high chemical inertness.

Customizable Focal Lengths and Diameters: Focal lengths range from -10mm to -150mm, with diameters ranging from 6.0mm to 50.8mm. Other focal lengths can be customized.

Strict Quality Control: Each lens undergoes strict inspection in Kingwin Optics’ in-house labs to ensure tight tolerance.

Applications: Laser Scanners, Remote Sensing, Imaging Instruments, Fiber Lasers, Interferometers, etc.

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λ4-λ UV Fused Silica Plano-convex Lenses
Exceptional Optical Transmission and Broad Wavelength Range:
- High Transmission: UV fused silica exhibits high transmission across a broad wavelength range, including the deep UV region below 400 nm (λ4-λ). This ensures maximum light throughput and minimal loss in optical systems.
- Broadband Capability: Suitable for wavelengths from the deep UV to the near-infrared (NIR), making them versatile for a variety of applications requiring high-quality optics.
Superior Physical and Optical Properties:
- Low Thermal Expansion Coefficient: Compared to other materials like N-BK7, UV fused silica has a lower coefficient of thermal expansion, which helps maintain the stability of optical systems under temperature variations.
- Excellent Homogeneity: UV fused silica boasts better optical homogeneity, minimizing optical errors caused by material inhomogeneities.
- Virtually No Laser-Induced Fluorescence: In the UV region, it exhibits virtually no laser-induced fluorescence, which is crucial for applications requiring high signal-to-noise ratios.
Precision Manufacturing and Coating Technology:
- Tight Tolerance Control: These lenses are precisely polished to meet stringent tolerance requirements, including surface flatness, surface quality, and focal length tolerance, minimizing wavefront distortions.
- High-Quality Anti-Reflection Coatings: Available with anti-reflection (AR) coatings tailored to specific wavelength ranges, reducing reflectance and enhancing transmission.
Durability and Reliability:
- High Laser Damage Threshold: Capable of withstanding high-energy laser pulses, making them suitable for demanding laser applications.
- Long-Term Stability: Their excellent physical and optical properties ensure stable performance over extended periods of use.
Applications: Detectors, Imaging Instruments, Lasers, Fiber Lasers, etc.
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