Optical Lenses

Optical Lenses are optical components designed to focus or diverge light. Optical Lenses, which may consist of a single or multiple elements, are used in a wide variety of applications from microscopy to laser processing. Many industries utilize Optical Lenses, including life sciences, imaging, industrial, or defense. As light passes through a lens, it is affected by the lens’ profile or substrate. A Plano-Convex (PCX) or Double-Convex (DCX) lens causes light to focus to a point, while a Plano-Concave (PCV) or Double-Concave (DCV) lens causes the light traveling through the lens to diverge. Achromatic Lenses are ideal for applications requiring color correction, while Aspheric Lenses are designed to correct spherical aberration. Germanium (Ge), Silicon (Si), or Zinc Selenide (ZnSe) lenses are ideal for transmitting the Infrared (IR) spectrum, while Fused Silica is well suited for the Ultraviolet (UV).

We offer large inventory of off-the-shelf optical components, which includes an extensive selection of stock optical lenses such as Achromatic Lenses or Aspheric Lenses. Optical lenses are offered with a variety of coating options for the Ultraviolet (UV), visible, or Infrared (IR) spectrums.

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 is often designed by either cementing two elements together or mounting the two elements in a housing, creates smaller spot sizes than comparable singlet lenses.

We offer a large variety of Achromatic Lenses. Multiple anti-reflection coating options for the Ultraviolet (UV), visible, or Infrared (IR) are available, including UV-VIS, MgF2, VIS 0°, VIS-NIR, NIR II, or SWIR. Additionally, Achromatic Lenses designed specifically for the Ultraviolet (UV) or Infrared (IR) are available, which offer superior performance when compared to a standard Achromatic Lens that has been coated for the same or comparable wavelength range. Aspherized Achromatic Lenses, which combine an Achromatic Lens’ color correction with an Asphere’s superior spherical aberration correction, are also available. Triplet Achromatic Lenses are offered for applications requiring 1:1 conjugate ratios, or high power magnification.

Aspheric Lenses Aspheric Lenses are used to eliminate spherical aberration in a range of applications, including bar code scanners, laser diode collimation, or OEM or R&D integration. Aspheric lenses utilize a single element design which helps minimize the number of lenses found in multi-lens optical assemblies. Said another way, unlike conventional lenses with a spherical front surface, aspheric lenses have a more complex front surface that gradually changes in curvature from the center of the lens out of the edge of the lens. This reduction in total element count not only helps decrease system size or weight, but also simplifies the assembly process. Integrating aspheres into an application such as focusing the output of a laser diode may not only decrease total cost, but may also outperform assemblies designed with traditional spherical optical lenses.

Plano-Convex Lenses are Optical Lenses with a positive focal length. Plano-Convex Lenses are ideal for light collimation or for focusing applications utilizing monochromatic illumination, in a range of industries including industrial, pharmaceutical, robotics, or defense. PCX Lenses have one convex surface. For maximum efficiency, the second, plano (flat) surface should face the desired focal plane. Plano-Convex lenses are commonly used in a wide range of applications or industries. Lenses are available in a range of coating or substrate options. Anti-reflection coatings range from the Ultraviolet (UV) to the Infrared (IR), including UV-AR, UV-VIS, MgF2, VIS 0°, VIS-NIR, NIR I, NIR II, or Telecom-NIR. Additional coatings designed specifically for laser wavelengths, such as 266nm, 355nm, 532nm, or 1064nm are also offered. Germanium (Ge), Silicon (Si), or Zinc Selenide (ZnSe) substrates are ideal for Infrared (IR) applications.

 Double-Convex Lenses are used in image relay applications, or for imaging objects at close conjugates. Double-Convex Lenses have positive focal lengths, along with two convex surfaces with equal radii. Aberrations will increase as the conjugate ratios increase. DCX Lenses are used in a range of industries or applications. We offer a wide variety of Double-Convex Lenses in a range of substrates or anti-reflection coatings for maximum performance in the Ultraviolet (UV), Visible, or Infrared (IR). Anti-reflection coatings include UV-AR, UV-VIS, MgF2, VIS 0°, VIS-NIR, NIR I, or NIR II. UV Fused Silica or Calcium Fluoride (CaF2) substrates are also available for additional performance in the Ultraviolet (UV) or Infrared (IR) spectrums. UF Fused Silica Double-Convex Lenses are ideal for close conjugate imaging systems utilizing Ultraviolet (UV) illumination. Calcium Fluoride (CaF2) offers a very wide transmission range of 350nm - 7μm. Double-Convex Lenses are available in a wide range of diameters or focal lengths.

 Plano-Concave Lenses are ideal for beam expansion, light projection, or for expanding an optical system’s focal length. Plano-Concave Lenses, which have one concave surface, are Optical Lenses with negative focal lengths. PCV Lenses should be oriented with the plano, or flat, surface towards the desired focal plane. PCV Lenses are ideal for use in a range of applications or industries. Plano Concave Lenses are available with a range of anti-reflection coatings. Anti-reflection coatings optimize throughput for the Ultraviolet (UV), Visible, or Infrared (IR) spectrum. Edmund Optics’ anti-reflection coatings include UV-AR, MgF2, VIS 0°, VIS-NIR, NIR I, or NIR II. Anti-reflection coated Plano-Concave Lenses are designed for a 0° angle of incidence. UV Fused Silica substrate options are available, offering additional performance in the Ultraviolet (UV) spectrum. The UV Fused Silica substrate is ideal for Ultraviolet (UV) imaging or laser applications.

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