λ/8 Spherical Lenses
Description
?/8 Spherical Lenses are precision optical components designed to manipulate light through refraction. These lenses are characterized by their spherical surfaces, which are crafted to a high degree of accuracy, specifically to a ?/8 surface accuracy. This precision ensures that the lenses can effectively focus or diverge light, depending on their design, to achieve specific optical outcomes.
Working Principle
Spherical lenses work by bending light rays that pass through them, a process known as refraction. The curvature of the lens surfaces determines how the light is bent. In the case of ?/8 Spherical Lenses, the high precision of the surface curvature allows for minimal optical aberrations, making them particularly useful in applications requiring high accuracy and clarity. The lenses can be either convergent, focusing light to a point, or divergent, spreading light outwards. This ability to control light paths is crucial in various optical systems, enhancing their performance by reducing distortions and improving image quality.
Applications
While specific applications for ?/8 Spherical Lenses are not detailed in the provided documents, spherical lenses in general are widely used in optical systems such as cameras, microscopes, and telescopes. They are essential in applications where precise light manipulation is required, such as in laser systems, optical sensors, and imaging devices.
Advantages over other Spherical Lenses
The primary advantage of ?/8 Spherical Lenses over other spherical lenses is their superior surface accuracy. This high level of precision reduces optical aberrations, leading to clearer and more accurate imaging. This makes them particularly advantageous in high-performance optical systems where image quality is critical.
Limitations
The documents do not provide specific limitations for ?/8 Spherical Lenses. However, in general, spherical lenses can suffer from spherical aberrations, where light rays passing through the edges of the lens focus at different points than those passing through the center. This can lead to image blurring, although the high precision of ?/8 lenses helps mitigate this issue.
Considerations
When considering ?/8 Spherical Lenses, factors such as initial costs, operating expenses, and maintenance should be taken into account. The high precision manufacturing required for these lenses can lead to higher initial costs compared to standard spherical lenses. However, their durability and accuracy can justify the investment in applications where performance is paramount. Maintenance and replacement costs should also be considered, as the precision surfaces may require careful handling and cleaning to maintain their optical quality.
from Fairfield Crystal Technology, LLC.
OPTICAL COMPONENT MANUFACTURING. Fairfield Crystal provides component manufacturing for your most challenging designs and applications. Combined with our expertise in crystal growth our component fabrication team is able to manufacture highly polished single crystal lenses, prisms, wedges,... [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10; λ/20
- Materials: Calcium Fluoride; Zinc Selenide
- Lens Application: Infrared; Visible; Ultraviolet
- Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig; 80-50 Scratch / Dig
from ECOPTIK (CHANGCHUN) LTD
Achromatic Lenses are used to minimize or eliminate chromatic aberration. The achromatic design also helps minimize spherical aberrations. Achromatic Lenses are ideal for a range of applications, including fluorescence microscopy, image relay, inspection, or spectroscopy. An Achromatic Lens, which... [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
- Focal Length: 50 to 2000
- Lens Application: Visible
- Diameter: 6 to 200
from Argyle International, Inc.
Argyle manufactures a wide variety of lenses. Custom designs including odd shapes, sections, and center holes are standard fare. Finish and accuracy from condenser to laser quality. Diameters from 0.5mm to 200mm. Surface finish to 10-5. Surface quality to 1/8 wave. Custom shapes. Spherical lenses. [See More]
- Surface Flatness: λ/8
- Materials: BK7 Glass (optional feature); Crown Glass (optional feature); Flint Glass (optional feature); LaSFN9 Glass (optional feature); SF5 Glass (optional feature); SF11 Glass (optional feature); Calcium Fluoride (optional feature); Germanium (optional feature); Sapphire (optional feature); Zinc Selenide (optional feature); Ultra-violet grade Fused Silica (optional feature); Fused Silica, BaF2, Silicon
- Diameter: 0.5000 to 200
- Surface Quality: 10-5 Scratch / Dig
from MOK Optics Co., Ltd.
The Biconcave Lenses are often used to expand light beams or to increase focal lengths in optical systems, and are normally used in combination with other lenses. Our biconcave lenses are fabricated from N-BK7, UV fused silica, N-SF11, Germanium, Silicon etc. [See More]
- Surface Flatness: λ/8
- Diameter: 3 to 250
- Lens Form: Concave-Concave
- Materials: Germanium; Sapphire; Ultra-violet grade Fused Silica; CDGM, SCHOTT, OHARA, HOYA, MgF2, CaF2, ZnSe, ZnS etc
from ECOPTIK (CHANGCHUN) LTD
A cemented cylindrical lens can minimize chromatic aberration, so it can be used to focus a single direction of a multi-color light beam. Unlike a spherical lens that produces a point focusing spot, a cylindrical lens can produce a linear focusing spot. Our cylindrical achromatic doublets are... [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
- Diameter: 6 to 200
- Focal Length: 50 to 2000
- Center Thickness: 2 to 50
from MOK Optics Co., Ltd.
MOK Optics provides various of germanium lenses upon customer requirements. The transmission of Ge is around 50% at 2-14 μm, we typically need to make AR coating for Ge optics, we can also make DLC coating (Diamond like carbon coating) for outdoor use. [See More]
- Surface Flatness: λ/8
- Materials: Germanium
- Diameter: 3 to 250
- Surface Quality: 10-5 Scratch / Dig
from ECOPTIK (CHANGCHUN) LTD
A double concave lens has negative focal length, thereby causing collimated incident light to diverge. Double concave lens has equal radius of curvature on both side of lens. They are generally used to expand light or increase focal length in existing system, such as beam expander and projection... [See More]
- Surface Flatness: λ/2; λ/4; λ/5; λ/8; λ/10
- Focal Length: -2000 to -50
- Lens Form: Concave-Concave
- Diameter: 2 to 300