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  • Long work distance fiber collimator can provide near parallel beam up to 200 meters. Aberration is corrected to emit the near diffraction limit light with separated lenses. But effective focal length is still affected by wavelength. So, this collimator performs best at the specified wavelength.
  • High-Performance Optical Components by Z-Optics Longpass filters are precision optical components designed to transmit wavelengths longer than a specified cutoff while blocking shorter wavelengths. These filters are essential in many advanced optical systems, providing excellent optical density (OD) and reliable wavelength selectivity over wide spectral ranges. Z-Optics offers a comprehensive range of longpass filters with various cut-on wavelengths, operational wavelength ranges, and standard dimension options to suit diverse industrial and scientific needs.
    Applications of Z-Optics Longpass Filters
    • Fluorescence Microscopy: Separating emitted fluorescence signals from excitation excitation light for enhanced imaging clarity and accuracy.
    • Spectroscopy: Isolating specific longer wavelengths for material analysis, Raman spectroscopy, and multispectral imaging.
    • Medical Imaging: Enhancing contrast by blocking UV and unwanted short wavelengths in devices like endoscopes and ophthalmic instruments.
    • Laser Systems: Filtering out shorter wavelengths to ensure laser beam purity for medical, industrial cutting, or engraving applications.
    • Environmental Monitoring: Infrared longpass filters aid in detecting heat signatures and atmospheric sensing by blocking visible light while transmitting IR radiation.
    • Astronomy: Reducing effects of light pollution by filtering out shorter wavelengths to observe distant celestial bodies in specific spectral bands.
    • Consumer Electronics: Improving image quality in cameras and smartphones by blocking haze-inducing short wavelengths and protecting eyes from harmful blue light.
    Z-Optics longpass filters are crafted to meet rigorous optical standards, ensuring dependable performance in demanding environments. Choose Z-Optics for your longpass filtering needs—where precision meets customization for superior spectral control
  • The Metallic Coated Float Glass Flat Mirror, an optical component from Z-Optics, is designed for superior reflectivity and durability, this mirror is engineered to meet the exacting standards of various industries. At the heart of this optical marvel is the use of high-quality float glass, providing exceptional flatness and surface quality. The metallic coating, meticulously applied, ensures outstanding reflectivity across a broad spectrum of wavelengths. This combination of materials results in a mirror that not only delivers reliable performance but also withstands the rigors of diverse applications. The flat mirror's design is optimized for precision, making it an ideal choice for beam steering, alignment, and optical setups where accurate reflection is paramount. Whether employed in scientific research, laser systems, or imaging devices, this optical component plays a crucial role in maintaining the integrity of optical pathway
  • The Metallic Coated H-K9L Flat Mirror by Z-Optics stands as an exemplar of precision optics. Utilizing high-quality H-K9L glass, renowned for its excellent transmission in the visible spectrum, this flat mirror ensures optimal performance for a variety of applications. The metallic coating, applied with precision, enhances reflectivity across a broad range of wavelengths, making it a versatile choice for scientific, industrial, and research endeavors. The flat mirror's design is characterized by its commitment to precision, making it an ideal solution for applications such as beam steering, imaging, and laser systems. Z-Optics' expertise is evident in the mirror's ability to deliver consistent and reliable performance, meeting the stringent demands of diverse optical setups.
  • The Metallic Coated SiO2 Flat Mirror, a optical component by Z-optics Company. This mirror stands as a testament to Z-optics' commitment to precision, innovation, and superior optical solutions. Designed with meticulous attention to detail, the Metallic Coated SiO2 Flat Mirror incorporates advanced materials and manufacturing techniques to deliver unparalleled performance in various optical applications. The mirror's substrate is composed of high-quality SiO2, ensuring exceptional clarity and durability. This substrate acts as a stable foundation for the metallic coating, enhancing reflectivity and promoting optimal light transmission. The mirror's metallic coating, developed through proprietary processes at Z-optics. This coating not only ensures high reflectivity across the electromagnetic spectrum but also exhibits remarkable resistance to environmental factors such as humidity and temperature variations. As a result, the Metallic Coated SiO2 Flat Mirror maintains its optical integrity and reflective properties over an extended lifespan.
  • Mirror on Prism, an optical component combines the reflective capabilities of a mirror with the light manipulation properties of a prism, offering a versatile solution for optical systems. The Mirror on Prism from Z-optics serves as a bridge between traditional mirror applications and the unique characteristics of prisms. Its design optimizes space utilization while providing the reflective functionality essential for directing light in desired directions. This makes it an ideal component for applications where compactness and precise light control are paramount, such as in periscopes or complex optical setups.
  • Multimode Achromatic Fiber Collimators is used for wide band application. Chromatic aberration is elaborately compensated with special design on materials, curves, thickness and separation of lenses. Please use right connectors and fibers listed in tables.
  • Discover Z-Optics Notch Filters, precision-engineered optical components designed to selectively block specific wavelengths with high accuracy while maintaining excellent transmission outside the blocked band. Our notch filters are ideal for advanced optical systems requiring precise wavelength control, such as laser protection, fluorescence microscopy, Raman spectroscopy, and telecommunications.
    Key features of Z-Optics Notch Filters include:
    • Center Wavelengths: Available at 532 nm and 615 nm, tailored to your application needs.
    • FWHM (Full Width at Half Maximum): Ranges from 30 nm to 60 nm, ensuring effective spectral selectivity.
    • High Optical Density (OD): Up to OD 7, guaranteeing deep attenuation of unwanted wavelengths for improved signal clarity.
    • Wide Transmission Range: Efficiently transmits wavelengths outside the rejection band, supporting high system throughput.
    • Superior Coating Technology: Designed using advanced multilayer interference coatings for precise blocking and minimal insertion loss.
    • Durability and Stability: Crafted to maintain performance under varying environmental conditions, suitable for demanding industrial and scientific environments.
    Z-Optics Notch Filters utilize thin-film interference to achieve high rejection ratios at target wavelengths, while allowing the passage of other wavelengths with minimal loss. This makes them essential for applications where eliminating laser lines or specific spectral components enhances system accuracy and reduces noise. Choose Z-Optics Notch Filters for your optical system to benefit from enhanced wavelength isolation, reliable performance, and customizable options to meet exact project specifications. Elevate your optical setup with filters that deliver precision and efficiency in one compact component
  • Polarization-Maintaining Pigtailed  fiber collimators can ensure the linear polarization direction remains unchanged by using polarization-maintaining fiber. It improves the signal-to-noise ratio in interferometric measurement.
  • Reflective Achromatic Fiber Collimators uses a 90⁰ off-axis ellipsoidal mirror to couple free space laser beam into fiber or vice versa. Focal length of reflective mirror is irrelevant with wavelength. That makes it an idea solution to achromatic aberration. Al, Ag and Au is optional to be deposited as reflective film.
    • Aluminum averages greater than 90% reflectance from 200nm to the far infrared, except in the 750 – 900nm region where it averages around 85% reflectance.
    • Silver coatings can offer better performance in the visible and NIR from 450nm to 2μm.
    • For IR performance gold coatings offer high reflectivity of around 97% from 700nm up to 10μm.
  • Short Work Distance Pigtailed Fiber Collimators can focus light into a very small spot(several microns to dozens of microns diameter), which is important for some applications like topography, ranging.
  • At Z-Optics, our SHORTPASS FILTERS are precision-engineered optical filters designed to transmit wavelengths shorter than a specified cut-off point while effectively blocking longer wavelengths. These filters provide excellent optical density (OD) and broad operational wavelength ranges, making them indispensable components in diverse optical and photonics systems requiring sharp spectral cutoff.

    Key Features

    • Precise Cut-Off Wavelengths: Available across a range of cut-off wavelengths from 395 nm up to 950 nm, tailored for diverse UV, Visible, and NIR applications.
    • High Optical Density (OD): Optical blocking strength of OD3 to OD5 ensures minimal transmission of unwanted wavelengths, enhancing signal clarity and contrast.
    • Broad Wavelength Operation: Supports extended wavelength ranges from 200 nm up to 1100 nm depending on the model, allowing flexible integration in various optical setups.
    • Standard Diameters: Available in 12.7 mm and 25.4 mm diameters, compatible with most optical mounts and instrumentation.
    • Durable Coatings: Advanced multilayer dielectric coatings offer long-term stability, high laser damage thresholds, and resistance to environmental factors.
    • Customizable Options: Filters can be customized for specific cut-off wavelengths, diameter sizes, and operational ranges to suit unique application needs.

    Applications

    • Spectroscopy systems requiring sharp wavelength cutoff for signal isolation.
    • Fluorescence microscopy and biomedical imaging to separate excitation and emission bands.
    • Laser safety and beam shaping in industrial and scientific laser systems.
    • Optical sensing and environmental monitoring devices where wavelength selection is critical.
    • Machine vision and quality control inspection systems operating under variable lighting.
    • Multispectral and hyperspectral imaging to enhance spectral discrimination.
  • 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:
    • CO2 Laser Collimation: Functions as a high-efficiency collimator or condenser for high-power infrared light sources.
    • Laser Beam Shaping: Serves as a precision collimator for high-power industrial and medical laser systems.
    • Fiber Optic Coupling: Acts as a high-performance coupling lens to efficiently focus infrared laser beams into optical fibers.
    • Infrared Thermal Imaging: Enhances resolution and image quality in thermal imaging cameras and FLIR systems operating in the MWIR and LWIR spectrums.
  • Single Mode Achromatic Fiber Collimators is used for wide band application. Chromatic aberration is elaborately compensated with special design on materials, curves, thickness and separation of lenses. Please use right connectors and fibers listed in tables.
  • Single mode pigtailed fiber collimators are used to transform the laser emitted from fiber into a parallel Gaussian beam by finely positioning the lens to fiber or couple the parallel Gaussian beam into fiber in inverse. It can be used in reflective type and thrubeam type. Normally, a sphere lens or GRIN lens is used in collimator to transform light. It can be divided into specified working distance collimators and wide working distance range collimators.
  • Each fiberport has five degrees of freedom adjustment U-Benches . Travel of X and Y direction is +/-0.7mm, Z >2mm, pitch and yaw +/- 4degree. It's used for applications requiring flexibility.
  • Ultra long work distance fiber collimators have over 2km work distance by expanding laser beam from fiber to dozens of millimeters, even over 100mm beam diameter. It's used in telemetry, illumination, lidar and so on, which project laser to remote distance. Multi-groups air-spaced lenses are used to optimize the power distribution. The beam spot is homogeneous and has clear board line.
  • 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:
    • CO2 Laser Collimation: Functions as a high-efficiency collimator or condenser for high-power infrared light sources.
    • Laser Beam Shaping: Serves as a precision collimator for high-power industrial and medical laser systems.
    • Fiber Optic Coupling: Acts as a high-performance coupling lens to efficiently focus infrared laser beams into optical fibers.
    • Infrared Thermal Imaging: Enhances resolution and image quality in thermal imaging cameras and FLIR systems operating in the MWIR and LWIR spectrums.
  • 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.
    Main Applications of Our ZnSe Double Concave Lens:
    • CO2 Laser Beam Expansion: Functions as a highly durable negative component within Galilean beam expanders to safely diverge and enlarge high-power 10.6 µm laser beams before collimation.
    • Optical System Focal Extension: Serves as a precision diverging lens to counteract positive aberrations, minimize spherical distortion, and extend the effective focal length of multi-element IR imaging assemblies.
    • Infrared Imaging & Sensing: Acts as an efficient dispersing lens to widen the field of view for LWIR thermal imaging cameras, FLIR systems, and horizon-scanning optical sensors.
    • Industrial and Medical Laser Shaping: Optimizes beam profiles and energy distribution for precise material processing, micro-machining, and surgical laser systems.
  • 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.
    Applications of Our ZnSe Double Convex Lens:
    • CO2 Laser Focusing & Collimation: Functions as a highly efficient focusing element or beam collimator for high-power CO2 laser cutting, engraving, and welding systems.
    • Laser Beam Shaping: Serves as a precision focusing lens to concentrate infrared light into high-intensity spots for industrial and medical laser procedures.
    • Fiber Optic Coupling: Acts as a high-performance coupling lens to efficiently condense and couple infrared laser outputs directly into optical fibers.
    • Infrared Thermal Imaging: Works as a high-efficiency condenser lens to maximize light gathering and improve resolution in thermal imaging cameras and FLIR sensing systems operating in the MWIR and LWIR bands.
  • 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%.
    Applications of Our ZnSe Plano-Concave Lens:
    • CO2 Laser Beam Expansion: Functions as a highly efficient diverging element in Galilean beam expander configurations for high-power 10.6 µm CO2 laser cutting, engraving, and marking systems.
    • Laser Beam Shaping & Aberration Correction: Serves as a precision diverging lens to balance spherical aberrations and optimize laser beam profiles in advanced industrial and medical optical paths.
    • Optical System Integration: Acts as a high-performance negative lens to extend focal lengths, control collimated beam diameters, and minimize power density on downstream optical components.
    • Infrared Thermal Imaging & FLIR: Works as a critical optical component to manipulate fields of view and balance optical paths in thermal imaging cameras and FLIR sensing systems operating across the 8–12 µm LWIR bands.
  • 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:
    • CO2 Laser Collimation: Functions as a high-efficiency collimator or condenser for high-power infrared light sources.
    • Laser Beam Shaping: Serves as a precision collimator for high-power industrial and medical laser systems.
    • Fiber Optic Coupling: Acts as a high-performance coupling lens to efficiently focus infrared laser beams into optical fibers.
    • Infrared Thermal Imaging: Enhances resolution and image quality in thermal imaging cameras and FLIR systems operating in the MWIR and LWIR spectrums.
  • 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:
    • CO2 Laser Collimation: Functions as a high-efficiency collimator or condenser for high-power infrared light sources.
    • Laser Beam Shaping: Serves as a precision collimator for high-power industrial and medical laser systems.
    • Fiber Optic Coupling: Acts as a high-performance coupling lens to efficiently focus infrared laser beams into optical fibers.
    • Infrared Thermal Imaging: Enhances resolution and image quality in thermal imaging cameras and FLIR systems operating in the MWIR and LWIR spectrums.
  • Zoom fiber collimators can change beam size continuously while keeping beam pattern homogeneous and clear. It works like zoom lenses of camera, instead of only adjusting separation distance between lenses and fiber as focus adjustable fiber collimators. Beam quality is much better than focus adjusting. It can be used in telemetry, illumination, lidar and so on.
  • Barium Fluoride (BaF2) is the fastest known scintillator material; it has characteristics comparable to calcium fluoride but is more resistant to high-energy radiation. It is, however, more susceptible to water damage. Features
    • High-Energy Radiation Resistant
    • Transmission is excellent between 200nm - 12μm.
    • Provide high transmission without the use of AR coatings.
  • A special type of thick biconvex optical lens is a Ball lenses that usually has a sphere geometric shape. These are made of a single material such as BK7 or other optical glass/Fused Silica/CaF2 which is a commonly used material for ball lenses. The smallest lens we produced is < 0.5 mm. We can process ball lenses using all types of glass material. Our price for PV industry may be as low as USD0.02/pcs. We are developing CSD-based AR-coating to provide a low-cost PV-coating solution.
  • Absorption loss to the interference coating is minimal by applying dielectric coating, but partially polarizing is induced. If polarization-sensitive is critical, please use our broadband non-polarizing cube Beamsplitter or polarizing cube Beamsplitter.
  • Broadband Non-Polarizing Cube Beamsplitters are made up of a pair of high precision right angle prisms cemented together by a metallic dielectric coating on one of the prisms’ hypotenuse. Because of the metallic dielectric hybrid coating's low polarization dependence, the transmission and reflection of S- and P-polarization states can be within 10% of each other. These beamsplitters are spectrally flat across their specified wavelength ranges, which reduces the effects of changes in angle of incidence or converging/diverging beams. Metallic dielectric hybrid coating has <10% absorption, so don’t use it in high power laser.
  • Beamsplitters are used for separating or merging light beams. The two common forms Z-OPTICS LIMITED offers are Plates and cubes. Cubes are a simple, safe shape for applications with low power rates. The efficiency of beamsplitters depends largely on the parameters for the coating. The type, coating, transmission range and damage threshold should be taken into consideration when choosing beamsplitters.
  • The Caf2 (Calcium Fluoride) Wedge Beamsplitter is a cutting-edge optical component that has garnered significant attention across various scientific, industrial, and laser-based applications. This is meticulously designed to bifurcate incoming light into two separate beams, each with a predetermined ratio of reflected and transmitted light, making it an indispensable tool for precision light management within optical systems.
    The brilliance of the Caf2 Wedge Beamsplitter lies in its utilization of high-quality Calcium Fluoride, a material renowned for its exceptional optical properties. Calcium Fluoride is prized for its broad spectral transmission range, extending from the ultraviolet (UV) to the infrared (IR) regions, and its low refractive index. These attributes make it a superior choice for applications where optimal spectral transparency is essential. The wedge-shaped configuration of this beamsplitter introduces a gradual change in thickness across its surface, enabling precise control of the splitting ratio. This feature is particularly advantageous in applications such as interferometry and laser systems, where maintaining the phase and power of optical beams is paramount. The Caf2 Wedge Beamsplitter's precision and consistency empower researchers and engineers to achieve the level of accuracy demanded by their experiments and projects.
  • Beamsplitters are used for separating or merging light beams. The two common forms Z-OPTICS LIMITED offers are Plates and cubes. Cubes are a simple, safe shape for applications with low power rates. The efficiency of beamsplitters depends largely on the parameters for the coating. The type, coating, transmission range and damage threshold should be taken into consideration when choosing beamsplitters.
  • Beamsplitters are used for separating or merging light beams. The two common forms Z-OPTICS LIMITED offers are Plates and cubes. Cubes are a simple, safe shape for applications with low power rates. The efficiency of beamsplitters depends largely on the parameters for the coating. The type, coating, transmission range and damage threshold should be taken into consideration when choosing beamsplitters.
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