Lenses

JT can customize hemispherical or super hemispherical domes according to customers’ requirements, which are mainly used to protect precision instruments and cameras used in harsh environments, and is often used for deep- sea submersibles, deep-sea equipment monitoring, and underwater robots, optical dome also has a wide range of applications in the meteorological industry at the same time. Parameter Ranges Material  Optical Glasses Diameter  8-350mm Diameter Tolerance  ±0.1mm Wall Thickness  2-30mm Thickness Tolerance  ±0.05mm Height  5-150mm Height Tolerance  ±0.05mm Surface quality  40/20   BK7 or H-K9L offers excellent transmission from 300nm up to 2µm, which is a relatively hard material, with excellent chemical durability, making it a cost-effective solution for VIS to NIR applications, and almost no bubbles or inclusions, JT can process various domes including fairing, hemispherical dome, super hemispherical dome, full thickness dome, perforated dome, flange dome. Optical domes are made of two curved parallel surfaces, this geometric shape protects critical sensors and electronic devices and isolates them from the environment, minimizing damage to the optical path at the same time. Optical domes are commonly used in deep-sea submersibles, deep-sea equipment testing, and underwater robots, which are also widely used in the meteorological industry at the same time. Due to the continuous expansion of application fields, the types and specifications of optical domes provided by JT are also constantly increasing and changing.

Minimum Order: 1 bags

Ball lenses are transparent spherical ball, which has small diameters, sometimes with a few millimeters or even less than a millimeter. It has characteristics of good surface quality, good light reflection, directional reflection, high impact strength, and light weight, etc., which are applied in various areas, such as chemical, aerospace, transportation, light industry, medical, etc. Parameter Ranges Material BK7, Sapphire, Fused Silica lDiameter 1.0～50mm lDiameter Tolerance +/-0.05mm lSphericity 0.05mm lSurface Quality 40-20   The Application of Ball Lens Ball lenses are great optical components for improving signal coupling between fibers, emitters, and detectors. They are also used in endoscopy, bar code scanning, ball pre-forms for aspheric lenses, and sensor applications. Ball lenses are manufactured from a single substrate of glass and can focus or collimate light, depenging upon the geometry of the input source. Half-ball lenses are also common and can be interchanged with full ball lenses if the physical constraints of an application require a more compact design. Spherical lenses are the most used lenses in optical systems design, JT produces high precision spherical lenses in plano convex, double convex, and plano concave, double concave, meniscus, achromatic doublets and triplets, develop and manufacture high-end optics from 0.5 mm to 600 mm in diameter, which use in many different fields of application, from laser material processing to biotechnology, medical technology, defense and security and the semiconductor market, meeting the most stringent requirements.

Minimum Order: 1 bags

For nearly 20 years, JT has been committed to micro lenses and micro prisms processing to meet the rapidly increasing demands of precise visualization. We can reach the dimension of micro lenses as small as 0.5mm, micro prism is less than 0.3mm after continuous technical exploration and improvement, which are applied to the applications, such as life science, industrial endoscopes, optical fiber communication, etc. Such micro optics play a key role in the miniaturization of optical systems. The micro lenses processing requires special capabilities and unique skills, we can reach the dimension of micro lenses as small as 0.5mm, these micro lenses also with short focal length, the short focal length and micro size make it used in lightweight and compact optical systems, such as medical, life sciences, industrial instruments. Parameters Ranges Material: Optical Glasses, Fused Silica, Infrared Material, etc. Dimension Range: 0.5~5.0mm Dimension Tolerance: +/-0.01 mm PV : 1/10 Lambda Surface Quality: 10-5 Centration: ≤30" Coating: As customer's request   The applications of micro lenses Micro lenses are key components for manufacturing large-scale optoelectronic systems, they have the advantages of small size, light weight, and low cost, they can also achieve new functions such as miniaturization, array, integration, imaging, and wavefront conversion that ordinary optical components cannot achieve. JT's micro lenses are mainly used in the field of medical equipment and life sciences, such as endoscopes or fiber bundle endoscopes and microscopic, biochip detection and analysis, retinal imaging, bioimaging and non invasive surgical treatment, as well as industrial, such as fiber optic coupling communication, laser beauty, laser processing, detection, etc.   JT Micro Optics Advantages ● Custom lenses as small as 0.5 mm, prisms less than 0.3mm ● Proprietary technology for prototype to volume production with high- precision manufacturing ● Competitive price and fast delivery ● Trained and qualified engineers and staff are ready to help you

Minimum Order: 1 bags

Calcium fluoride is commonly used as a window material for both infrared and ultraviolet wavelengths, since it is transparent in these regions (about 0.15 μm to 9 μm) and exhibits extremely weak birefringence. Furthermore the material is fairly inert chemically so that these Calcium Fluoride Single Crystal windows are not attacked. Specifications: Material: Calcium Fluoride single crystal ( UV or IR) Diameter Tolerance:  +0.0, -0.1mm Thickness Tolerance: ±0.1mm Clear Aperture: >85% Parallelism: 3 arc minute Surface Quality: 60-40 scratch and dig Wavefront Distortion: l per 25mm @633mm Bevel: Protective ( <0.2mm x 45° ) Coating: Optional

Right Angle Prisms are typically used to bend image paths or for redirecting light at 90°. Right Angle Prisms are Prisms designed with a 90° angle. Right Angle Prisms produce inverted or reverted left handed images, depending on the orientation of the prism. Key Features High Precision: Engineered to strict tolerances, right angle prisms ensure accurate light reflection and refraction, making them indispensable in high- precision optical systems. Customizable Specifications:Available in various materials, sizes, and coatings, allowing for tailored solutions to meet specific application requirements. Optical Quality:Made from high-grade optical glass or specialized materials, these optical prisms offer excellent light transmission and minimal distortion. Optical Glass:High-quality optical glass prisms offer excellent clarity and light transmission, suitable for most high-precision applications.

Rod lenses are precision optical components designed for a variety of applications, including fiber coupling and laser diode beam shaping. These lenses are cylindrical in shape and are made from high-quality optical glass, ensuring minimal light loss and distortion. Applications of Optical Glass Lenses Fiber Coupling: Zero Working Distance: Rod lenses with a 0 mm working distance are ideal for collimating single and multi-mode optical fibers. The ability to position and glue the lens directly to the emission source ensures optimal alignment and efficient light transmission. Collimation: These lenses are particularly effective for collimating light emitted from optical fibers, ensuring that the light travels in a straight path with minimal divergence.

An optical bandpass filter is used to isolate a band of wavelengths from the total spectrum by providing a band of high transmission and bands of high rejection of spectral energy on both the long and short wavelength sides of the transmission band. Features High selectivity: The 940nm bandpass filter can accurately select and transmit light with a wavelength of 940 nanometers, while effectively blocking light of other wavelengths to ensure the purity of the optical signal. Low insertion loss: Advanced coating technology and material selection make the filter extremely transmittance in the target band, reducing the loss of optical signals during transmission. Excellent environmental stability: The use of high-quality substrates and stable coating processes ensures the stable performance of the product under extreme temperature and humidity conditions and extends its service life. Compact and light: The design is compact, light, and easy to integrate into various optical systems to meet the application requirements of different scenarios. 1. The product size and shape can be customized per requirements. 2. The price will be different for different products size and quantity. 3. Welcome to contact us for spectral graph or more details

Parameter 850nm Narrow Bandpass Filter CWL 850nm±5nm FWHM 20nm±2nm (customized) Product size 3mm-80mm(customized) Transmission at CWL >90%(According to customers' demand) Blocking >OD3-OD6 UV-NIR Substrate Optical glass Surface Quality 60-40, 40-20 Advantages OF Narrow Bandpass Optical Filter High selectivity: Narrow bandpass filters can selectively pass light in a small wavelength range across a wide spectrum, which is particularly useful for applications that require the exclusion of background noise or interfering light. Central wavelength: Each narrow bandpass filter has a specific central wavelength, which is the wavelength position of the maximum transmittance it is designed to pass.

Custom Ultra-Thin Glass Sheets (0.1mm–0.2mm) are precision-engineered for high-performance applications requiring minimal thickness and maximum optical clarity. Ideal for flexible electronics, sensors, and advanced display technologies, these glass sheets offer excellent durability, transparency, and customization options for size, coating, and processing.

Minimum Order: 1 bags

Long-wave 100mm F2.0 Motorized IR Lens Product Description Motorized thermal camera is featured by high sensitivity, easy to control, long surveillance range, all weather operations and easy for integration. It adopts high sensitivity cooled detector and 640x512 resolution for crispy image. Details Parameters Advanced technologies for the highest performance long-wave focal planes: 1.High-durability and hard-carbon 7.7-9.3 µm LWIR wavelength AR exposed mirror coating. 2.Passive athermalization with the highest imaging performance from -40 to +60°C. 3.Optimized for 640x512 cooled LWIR cameras with 15 μm pixel pitch. 4.Motorized focus mechanism ensures crisp image. DRI ranges enable one to easily estimate the maximum range that an object can be either detected, recognized or identified. It is important to note that these estimates are based solely on geometrical parameters – the target size, distance, lens focal length and camera detector pixel size. Signal level, detector sensitivity, atmospheric conditions and other factors are not considered!

The uncooled Dual-FOV infrared thermal imager is a mature and highly reliable product independently developed by our company that complies with ISO standards. It uses high-quality materials and advanced manufacturing technology.The dual field thermal imaging instrument has strong adaptability to harsh environments and can achieve both long-distance detection and detail recognition, greatly improving detection accuracy. Details Parameters Advanced technologies for the highest performance long-wave focal planes: 1.High-durability and hard-carbon 8-12 µm LWIR wavelength AR exposed mirror coating. 2.High precision manufacturing processes and strict quality control procedures ensure stable imaging in various practical use environments. 3.Optimized for 1024x768 LWIR cameras with 12 μm pixel pitch. 4.Dual field of view design to meet various application requirements.

The uncooled continuous zoom infrared thermal imager is a mature and highly reliable product independently developed by our company that complies with ISO standards. It uses high-quality materials and advanced manufacturing technology. Thermal imagers have the characteristics of strong thermal imaging capability, high image quality, fast response speed, and good compatibility. Details Parameters Advanced technologies for the highest performance long-wave focal planes: 1.High-durability and hard-carbon 8-14 µm LWIR wavelength DLC exposed mirror coating. 2.High precision manufacturing processes and strict quality control procedures ensure stable imaging in various practical use environments. 3.Optimized for 1280x1024 LWIR cameras with 12 μm pixel pitch. 4.Motorized focus and zoom mechanism with crisp image over the full range.

Advanced technologies for the highest performance mid-wave focal planes: 1. High-durability and hard-carbon 3.7-4.8 µm MWIR wavelength AR exposed mirror coating 2. Passive athermalization with the highest imaging performance from -40 to +60°C 3. Optimized for 640x512 cooled MWIR cameras with 15 μm pixel pitch 4. Motorized focus mechanism ensures crisp image. OPTICAL Focal Length / F# 50mm F/1.5 Compatible with detectors having 50mm Detector (FPA) type 640×512-15μm Working Spectral Band(SR) 3.7um-4.8um FOV 10.97°×8.78° Exposed Mirror Coating DLC AR and HD are available upon request Imaging Range

Cooled thermal camera is a matured and high reliable product developed by our company independently to meet ISO standard. It utilizes high-quality material and top-end manufacture technology. The thermal camera is featured by high sensitivity, easy to control, long surveillance range, all weather operations and easy for integration. It adopts high sensitivity MWIR detector and 640x512 resolution for crispy image. In addition, continuous zoom lens 15~300mm can distinguish the human, vehicle and ships at long range. Continuous Zoom IR Lens Parameters Advanced technologies for the highest performance mid-wave focal planes: 1.High-durability and hard-carbon 3.7-4.8 µm MWIR wavelength AR exposed mirror coating 2.Passive athermalization with the highest imaging performance from -40 to +60°C 3.Optimized for 640x512 cooled MWIR cameras with 15 μm pixel pitch 4.Motorized focus and zoom mechanism with crisp image over the full range