Description
Plano-Concave Lenses are negative focus length lenses with a flat surface on one side and a spherical surface on the other. These lenses are designed to diverge incident light and are commonly used in optical systems to expand beams or increase focal lengths.
Available in various materials like BK7, UVFS, and CaF2, these lenses offer excellent surface quality, precision dimension tolerances, and optional anti-reflection coatings. Plano-Concave Lenses are versatile optical elements suitable for a wide range of applications in research, imaging, laser technology, and more.
14PCV25-05-1 Plano-Concave Lenses
Specifications
| Material: | BK7 |
|---|---|
| Diameter: | 12.7 mm |
| Focal Length: | 25 mm |
| Edge Thickness, Te: | 3.5 mm |
| Lens Type: | Plano-Concave |
| Diameter Tolerance: | +0.0, -0.12 mm |
| Thickness Tolerance: | ±0.5 mm |
| Centration: | <3 arc minutes |
| Clear Aperture: | >90 % |
| Surface Irregularity: | λ/8 @ 633 nm |
| Surface Quality: | 40-20 scratch & dig |
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Features
- Negative focus length lenses with a flat and spherical surface
- Diverges incident light for beam expansion and focal length adjustment
- Available in multiple materials: BK7, UVFS, and CaF2
- Diameter tolerance: +0.0, -0.12 mm
- Thickness tolerance: ±0.5 mm
- High surface irregularity for precise optical performance
- Anti-reflection coatings available for enhanced performance
- Clear aperture greater than 90% for efficient light transmission
Applications
- Beam expansion in optical setups and imaging systems
- Focal length adjustment in laser cavities and collimators
- Research and development in photonics and optical engineering
- Creation of divergent beams for various experimental purposes
- Optics education and laboratory experiments
Frequently Asked Questions
Are anti-reflection coatings available for these lenses?
Yes, under customer request, lenses are anti-reflection coated. Please refer to the Coatings section.
What is the surface quality of these lenses?
The surface quality is 40-20 scratch-dig.
What is the design wavelength for these lenses?
The design wavelength is 632.8 nm.
What are 14PCV plano-concave lenses used for?
They are used to expand beams or to increase focal lengths in optical systems or other similar applications.
What is the diameter range for PCV lenses?
PCV lenses up to 500 mm diameter are available.
What is the tolerance for the focal length of the lenses?
The focal length tolerance is ±3%.
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