N-BK7 Plano Concave Lenses
Description
The Plano Concave Lens (PCV) is a specialized optical component primarily designed for diverging parallel light. Crafted from high-quality BK7 material, these lenses offer excellent transmittance from visible light to near-infrared wavelengths (350-2000nm). Widely utilized in laser systems and telescopes, BK7 Plano Concave Lenses are indispensable for applications requiring precise light manipulation and divergence.
N-BK7 Plano Concave Lenses
Specifications |
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|---|---|
| Material: | BK7, UVFS, CaF2, H-K9L |
| Diameter: | 4-50 mm |
| Focal Length: | -6~-500 mm |
| Edge Thickness, Te: | 2-13 mm |
| Lens Type: | Plano-Concave |
Features
- Diverging Optics: Specifically engineered to diverge parallel light, ideal for applications requiring light spreading or beam expansion.
- Broad Spectral Range: Offers high transmittance across a wide spectrum, from visible light to near-infrared wavelengths (350-2000nm), ensuring versatility in various optical setups.
- High-Quality Material: Constructed from BK7 optical glass, renowned for its exceptional optical properties, including high transmittance and low dispersion.
- Precision Design: Engineered with precise diameter and center thickness tolerances, ensuring uniformity and reliability in optical performance.
- Optimized Surface Quality: Features λ/4 surface figure at 633nm, ensuring excellent imaging quality and minimizing optical aberrations.
Customizable Options: Available in various diameters (Dia), effective focal lengths (EFL), back focal lengths (BFL), center thicknesses (CT), and edge thicknesses (ET), offering flexibility to suit specific application requirements. - Coating Options: Offered with optional custom anti-reflective (AR) coatings to enhance transmission and reduce glare, ensuring optimal performance in different lighting conditions.
Summary:
- Material: BK7
- Design Wavelength: 587.6nm
- Diameter Tolerance: +0.0/-0. 1mm
- Center Thickness Tolerance: ±0.1mm
- Surface Figure: λ/4 @633nm
- Focal Length Tolerance: ±1%
- Centration: 3 arc min.
- Surface Quality: 40/20-60/40
- Bevel: 0.2×45°
- Coating: Uncoated or Customized AR
Applications
- Laser Systems: Utilized for beam expansion, collimation, and beam shaping in laser processing equipment, scientific lasers, and industrial laser systems.
- Telescope Optics: Integrated into telescopes and astronomical instruments for light divergence and aberration correction, facilitating clear and precise astronomical observations.
- Optical Instrumentation: Applied in optical setups and experimental setups for light spreading, spatial filtering, and optical alignment, enabling diverse research and experimental applications.
- Medical Devices: Utilized in medical imaging systems and diagnostic instruments for light diffusion and focusing, facilitating accurate analysis and diagnosis.
- Industrial Applications: Employed in industrial measurement systems, barcode scanners, and metrology equipment for precise light manipulation and beam control.
For pricing, technical or any other questions please contact the supplier
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2023
Frequently Asked Questions
N-BK7 PlanoConcave Lenses are mainly used in diverging parallel light.
BK7 material has high transmittance from visible light to near infrared (350-2000nm).
The available sizes of the lenses are listed in the ALPV01 table, ranging from 4.0mm to 50.0mm in diameter.
Yes, in addition to N-BK7, we can also supply CaF2, Fused Silica, ZnSe substrate PCV lenses with customized size and coatings available.