Spherical lens are used for beam focusing and beam collimation. Our precision lens start with optical materials designed for high transmittance over the desired spectral range. Careful consideration is given to create lens shapes with high surface accuracy and surface quality. Spherical Lenses can be classified as Plano concave lens(PCV lens), Plano convex lens(PCX lens), Double concave lens(DCV lens), Double convex lens(DCX lens), Mennicus lens, Achromatic lens(Doublet lens), Rod lens, Ball lens and Core lens according to different applications. In UNI OPTICS, the material of BK7, Fused silica, CaF2 and MgF2 as standard. Other materials are available upon requirement.
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Fused Silica Ball and Half-Ball Lenses
Ball Lenses are commonly used to improve signal quality in fiber coupling applications, or for use in endoscopy or bar code scanning applications. Ball Lenses feature short back focal lengths to minimize the distance needed from the Ball Lens to the optical fiber. Uni Optics offers a variety of Ball Lenses in a range of substrates for performance in the ultraviolet to the NIR.
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Optical Glass Plano-Concave Lenses
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 shaped with the plano, or flat, surface towards the desired focal plane. PCV Lenses are ideal for use in a range of applications or industries. Uni-Optics offers PCV lenses with a variety of coating options.
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UV Fused Silica Plano-Convex (PCX) Lenses
A Plano-Convex (PCX) lens causes light to focus to a point,it has a positive focal length,which is ideal for light collimation or for focusing applications utilizing monochromatic illumination, in a range of industries. Uni-Optics offers PCX lenses with a variety of coating options.
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VIS-NIR Coated Double-Concave (DCV) Lenses
Double Concave Lenses are used in beam expansion, image reduction, or light projection applications. These lenses are also ideal for expanding the focal length of an optical system. Double Concave Lenses, which have two concave surfaces, are Optical Lenses with negative focal lengths. Uni-Optics offers Double Concave lenses with a variety of coating options.
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MgF2 Coated Double-Convex (DCX) Lenses
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. DCV Lenses are used in a range of industries or applications. Uni-Optics offers Double Convex lenses with a variety of coating options.
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Positive Meniscus Lenses And Negative Meniscus Lenses
The Positive Meniscus
Lenses are a convex-concave lens, but it is thicker at the center than
at the edges. They are felt polished and are used universally in the
ophthalmic industry where convention dictates that lens power be
specified in Diopters.
The Negative Meniscus Lenses are a convex-concave lens, but it is
thinner at the center than at the edges. Otherwise description is
similar to Plano Concave lenses.
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Broadband AR Coated Achromatic Lenses(Doublet Lenses)
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. Achromatic Lenses, which are often designed by either cementing two elements together or mounting the two elements in a housing, create smaller spot sizes than comparable singlet lenses.
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Micro Sizes Rod Lens
Rod Lenses are used for fiber coupling and laser diode beam shaping, lenses with a 0mm working distance are ideal for collimation of single and multi-mode optical fibers and laser diodes because the lens can be positioned and glued directly to the emission source. For focusing applications, or in instances where the lens can’t be in direct contact with the emission source, all lenses are available with a small working distance as well. UNI Optics can provide the size from Φ1~Φ15mm, quantity price and custom sizes, including variations in polished/ground surfaces, are available to OEM customers upon request.
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