ZnSe (Zinc Selenide) positive meniscus lenses are high-performance optical elements manufactured from high-purity chemical vapor deposition (CVD) laser-grade material. Designed with a convex front surface and a concave rear surface, these lenses effectively minimize spherical aberration when used in high-power laser systems, producing a smaller focal spot size and superior beam-focusing precision.
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ZnSe (Zinc Selenide) plano-convex lenses are essential optical elements manufactured from high-purity chemical vapor deposition (CVD) laser-grade material. Designed with one flat surface and one spherical convex surface, these lenses exhibit exceptionally low bulk absorption and high transmission in the infrared spectrum, making them the industry standard for focusing collimated beams or collimating point sources in high-power infrared systems. Technical Applications & Industrial Use Cases
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A Zinc Selenide (ZnSe) Plano-Concave Lens features one flat and one inward-curved surface engineered to diverge incident infrared light, extend focal lengths, and expand high-power laser beams with exceptional wavefront clarity. Fabricated from premium CVD laser-grade substrate material and optimized for a 10.6 µm design wavelength, these negative lenses deliver low bulk absorption and high transmission across the infrared spectrum. Available in both uncoated configurations and high-efficiency IR2 anti-reflection coatings (Ravg < 1.5% @ 8–12 µm), our lenses are precision-manufactured with a strict surface quality of 60-40 and an EFL tolerance of ±1%.
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A Zinc Selenide (ZnSe) Double Convex Lens features two symmetrical, outward-curved surfaces engineered to converge incident infrared light, reduce focal lengths, and focus high-power laser beams with exceptional wavefront clarity. Fabricated from premium CVD laser-grade material and optimized for a 10.6 µm design wavelength, these bi-convex positive lenses deliver low bulk absorption and high transmission across the infrared spectrum.
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A Zinc Selenide (ZnSe) Double Concave Lens features two symmetrical inner-curved surfaces designed to diverge incident infrared light, increase focal lengths, and expand laser beams with exceptional wavefront clarity. Engineered from premium CVD laser-grade Zinc Selenide and optimized for a 10.6 µm design wavelength, these negative lenses come standard with our high-efficiency IR2 broadband anti-reflection (BBAR) coating, yielding an average reflectance (R_avg) of less than 1.5% across the 8–12 µm long-wave infrared (LWIR) spectrum.
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A Zinc Selenide (ZnSe) Aspheric Lens features a specialized surface profile designed to eliminate spherical aberration and minimize optical distortions like astigmatism, providing superior focus and clarity in infrared systems compared to standard spherical lenses. Main Applications of Our ZnSe Aspherical Lens:
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Silicon (Si) plano-concave lenses are high-performance negative optical elements manufactured from optical-grade monocrystalline silicon. Featuring one flat surface and one spherical concave surface, these lenses provide a negative focal length ideal for beam expansion, divergence control, and optical system miniaturization in the infrared spectrum, boasting high refractive index and excellent thermal conductivity.
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CaF2 (Calcium Fluoride) plano-convex lenses are high-performance positive optical elements manufactured from high-purity calcium fluoride single crystals. Featuring one flat surface and one spherical convex surface, these lenses provide positive focal lengths for focusing collimated beams or collimating point sources, delivering exceptionally broad broadband transmission from the ultraviolet (UV) through the visible and into the infrared (IR) spectrum with minimal wavefront distortion.
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CaF2 (Calcium Fluoride) plano-convex cylindrical lenses are specialized optical components manufactured from high-purity calcium fluoride single crystals. Featuring one flat surface and one cylindrical convex surface, these lenses focus or expand light in a single dimension only, offering exceptionally wide broadband transmission from the ultraviolet (UV) through the visible and into the infrared (IR) spectrum with minimal wavefront aberration.
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CaF2 (Calcium Fluoride) plano-concave lenses are high-performance negative optical elements manufactured from high-purity calcium fluoride single crystals. Featuring one flat surface and one concave surface, these lenses provide a negative focal length used for beam divergence, projection systems, and optical path expansion, boasting exceptionally wide transmission from the ultraviolet (UV) through the visible and into the infrared (IR) spectrum with minimal wavefront distortion.
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CaF2 (Calcium Fluoride) Double Concave Lenses are high-precision optical components manufactured from high-purity calcium fluoride single crystals. Featuring two concave surfaces, these negative focal length lenses are designed for beam expansion, image projection, and optical system miniaturization, offering exceptionally high transmission from the ultraviolet (UV) through the visible and into the infrared (IR) spectrum with minimal chromatic aberration.
