Zinc Selenide Meniscus Lenses
Description
Zinc Selenide Meniscus Lenses are optical components designed to manipulate light by altering its path through refraction. These lenses are typically characterized by their curved surfaces, which help in focusing or dispersing light beams. They are made from zinc selenide, a material known for its optical properties, particularly in the infrared spectrum.
Working Principle
Zinc Selenide Meniscus Lenses operate by utilizing the refractive properties of zinc selenide, which has a wide transmission range and low absorption in the infrared spectrum. The meniscus shape, with one side convex and the other concave, allows these lenses to minimize spherical aberration, making them effective for focusing or expanding light beams. This design is particularly useful in applications requiring precise control of light paths, such as in laser systems.
Applications
Zinc Selenide Meniscus Lenses are widely used in high-power CO2 laser systems due to their low absorption at the 10.6 µm wavelength, which is typical for CO2 lasers . They are also employed in infrared imaging systems and other applications that require efficient transmission of infrared light .
Advantages over other Meniscus Lenses
Compared to other materials like Germanium, Zinc Selenide Meniscus Lenses offer a lower density and refractive index, which can be advantageous in systems where weight and optical performance are critical factors . Their ability to transmit a wide range of infrared wavelengths makes them particularly suitable for applications involving high-power lasers .
Limitations
One significant limitation of Zinc Selenide Meniscus Lenses is their susceptibility to scratches due to the softness of the material. This makes them less suitable for harsh environments where durability is a concern . Additionally, they require careful handling and cleaning to maintain their optical performance.
Considerations
When considering Zinc Selenide Meniscus Lenses, it is important to factor in the initial costs, which can be higher due to the specialized material and manufacturing processes involved. Operating expenses may also be influenced by the need for protective coatings to enhance durability and reduce maintenance costs. The lenses' accuracy and performance can be affected by environmental conditions, so they should be used in controlled settings to maximize their lifespan and effectiveness .
from CRYSTECH, Inc.
CRYSTECH is dedicated to manufacturing high precision spherical lens for solid-state leaser systems. We have over 20 years of experience in lens manufacturing, design, and coating. We provide these lenses with the material of BK7, fused silica, sapphire, CaF2, ZnSe(ZnS) and other glass raw material. [See More]
- Materials: BK7 Glass; Calcium Fluoride; Sapphire; Zinc Selenide; Ultra-violet grade Fused Silica
- Surface Flatness: λ/2 (optional feature); λ/4
- Lens Application: Infrared; Visible
- Lens Features: Mounted (optional feature)
from Newport MKS
The 61982LA meniscus infrared lens is made of ZnSe material and is Trumpf ® and Amada ® OEM compatible. It has a diameter of 1.5 in. (38.1 mm), edge thickness of 7.4 mm, and a focal length of 5.0 in. Zinc Selenide's low absorption coefficient makes it a perfect candidate for focusing... [See More]
- Materials: Zinc Selenide; ZnSe
- Diameter / Length: 38.1
- Edge Thickness: 7.4
- Lens Features: Antireflection Coating
from Newport MKS
The 631079ULA meniscus infrared lens is made of ZnSe material and is Bystronic ® OEM compatible. It has a diameter of 1.5 in. (38.1 mm), edge thickness of 9 mm, and a focal length of 5.0 in. Zinc Selenide's low absorption coefficient makes it a perfect candidate for focusing applications using... [See More]
- Materials: Zinc Selenide; ZnSe
- Diameter / Length: 38.1
- Edge Thickness: 9
- Lens Features: Antireflection Coating
from Newport MKS
The 61982-117 DURALENS ™ coated Meniscus Infrared Lens is made of ZnSe material and is Trumpf ® / Amada ® OEM compatible. It has a diameter of 1.5 in. (38.1 mm), edge thickness of 7.4 mm, and a focal length of 5.0 in. Zinc Selenide's low absorption coefficient makes it a perfect... [See More]
- Materials: Zinc Selenide; ZnSe
- Diameter / Length: 38.1
- Edge Thickness: 7.4
- Lens Features: Antireflection Coating
from Intrinsic Crystal Technology Co., Ltd. (ICC)
ICC spherical technology includes PITECH, high speed and CNC method, which can meet the requirements of small quantity for precision control, and large quantity for cost. All processes are completed in the factory. Our spherical lenses are widely used in a variety of industrial and detection camera,... [See More]
- Materials: BK7 Glass; Calcium Fluoride; Germanium; Zinc Selenide; BAF2, Silicon
- Lens Application: Infrared; Visible
from HG Optronics, Inc.
Laser Lenses are used to focus collimated light from laser beams in a variety of laser applications. Laser Lenses include a range of lens types including HGQ Lenses, Cylinder Lenses, or Laser Generator Lenses. Laser Lenseare designed to focus light in several different ways depending on the lens... [See More]
- Materials: Calcium Fluoride; Germanium; Sapphire; Zinc Selenide; Ultra-violet grade Fused Silica; Optical colorless glass, Fused Silica, CaF2, Sapphire, Germanium, Silicon, ZnSe, ZnS, etc.
from Ophir-Spiricon Inc.
Meniscus lenses provide superior accuracy [See More]
- Materials: Zinc Selenide
- Edge Thickness: 2.5
- Lens Application: Infrared
- Focal Length: 127