FOCtek produces micro-optical components used in smart manufacturing, optical communications, lasers, biomedicine and other fields. Such as Lens, Micro-cylindrical Lens, Micro-prism, Micro-PBS, etc. (read more)

Erbium and ytterbium co-doped phosphate glass has a broad application because of the excellent properties. Mostly, it is the best material for medical application where the need for eye protection may be difficult to manage or diminish or hinder essential visual observation. Recently it is used in optical fiber communication instead of EDFA for its more super plus. (read more)

FOCtek is a professional manufacturer of optical lenses. FOCtek supplies various optical lenses and optical components. Please visit our web www.foctek.net for detailed information about FOCtek.

Our machine vision lenses are featured with,

Optimized to reach working distance <0.3m

High resolution, up to 25MP or even higher

Ultra low.... (read more)

Yttrium vanadate has been growing in popularity because of its high gain, low threshold, and high absorption coefficients at pumping wavelengths, which result from the excellent fit of the neodymium dopant in the crystal lattice. These advantages make Nd:YVO4 is a better choice than Nd:YAG for low-power devices such as hand-held pointers, and others compact lasers. (read more)

The UV lens introduced by FOCtek has the characteristics of wide applicable band, high transmittance and good imaging effect. Products are widely used: high-voltage power monitoring, military monitoring, criminal investigation, etc. (read more)

Each reflecting surface of the off-axis parabolic mirror has the ability of the original paraboloid to focus a collimated beam or collimate a broadband point light source without chromatic aberration. Its total reflection design removes the phase delay and absorption loss introduced by the transmissive optical element. Off-axis parabolic mirrors can achieve various beam collection, beam... (read more)

Application： Biomedical Fluorescence Microscope Laser System Inspection Apparatus Selective Interference Hg Lamp Spectrum Analyzing Spectrum Imaging Optics Systems (read more)

• BeamSplitter Plate
• Cube Beamsplitter
• Non-polarizing Cube Beamsplitter
• Other BeamSplitter

Besides standard Right Angle Prisms made of N-BK7 or Fused Silica, Foctek also offers custom-made Right Angle Prisms: (read more)

Operating temperature:-40°C~80°C (read more)

Photographing Apparatus (read more)

FOCtek upgraded the aspheric surface CNC machining technology and single-point diamond turning technology. FOCtek achieved nano-level high-precision processing for various materials, crystals, binary surfaces, off-axis paraboloids, etc. (read more)

Flowcell uses ultra-precision machining technology,The product has excellent performance and stable yield. It’s mainly used in the field of biomedical testing equipment. (read more)

extinction Ratio: >5000: 1, read more... (read more)

FOCtek is a professional manufacturer of optical lenses. FOCtek supplies various optical lenses and optical components. Please visit our web www.foctek.net for detailed information about FOCtek.

Our machine vision lenses are featured with,

• Optimized to reach working distance <0.3m
• High resolution, up to 25MP or even higher
• Ultra low....

As Focusing in optics for more than ten years, FOCtek Photonics Inc designs and manufactures a wide range of Crystals Components.

• Laser Crystals and Rods: Ti: Sapphire, Nd:YAG, Nd:GdVO4, Er:Phosphate Glass, Nd:Phosphate Glass
• Nonlinear Crystals: BBO, KTP, LiNbO3
• Birefringent Crystals: YVO4, a-BBO, Calcite
• Passive Q-switch Cryst...

Aspheric lens has better radius of curvature and can maintain good aberration correction to obtain the desired performance.The application of aspheric lens brings excellent sharpness and higher resolution, while the miniaturization of the lens is possible. Aspheric lens, the radius of curvature varies with the center axis, to improve optical quality, reduce optical elements, reduce the... (read more)

FOCtek offers IPL Products includ IPL filters and IPL light guides, which are used in different field. (read more)

The laser optical components provided by FOCtek can better realize laser shaping, focus, polarized,etc. (read more)

FOCtek upgraded the aspheric surface CNC machining technology and single-point diamond turning technology. FOCtek achieved nano-level high-precision processing for various materials, crystals, binary surfaces, off-axis paraboloids, etc. More info... (read more)

Custom-made Silicon windows at any size are available. Besides round, shape of quadrate, triangular, or other polygonal are available. (read more)

Specifications:

Wavelength Ranges:450-680nm,700-1000nm,950-1300nm,1200-1650nm (read more)

Laser LiDAR is a radar system that emits laser beams to detect target position, speed and other characteristic quantities. It has the advantages of high measurement accuracy and good directionality. It has a wide range of applications in military and civilian geographic surveying and mapping fields.

Because lidar can form a 3D environment map with an accuracy of up to centimeter l... (read more)

F-theta Scan Lens is used in industrial laser marking, welding, engraving, drilling, medical beauty and other high-power precision laser applications. The F-theta lens independently developed and designed by FOCtek has the characteristics of large scanning range, uniform spot in the full field of view, low distortion... (read more)

The zero order waveplate is designed to give a retardance of zero full waves, plus the desired fraction. Zero order waveplate shows better performances than multiple order waveplates, it has broad bandwidth and a lower sensitivity to temperature and wavlenght changes. It should be considered for more critical online_orderings. (read more)

Waterproof IP68

Wide view & Short TTL less than 15mm

Excellent Color Consistency; High resolution; Custom-made lens is available upon requirement. Good vibration resistance. (read more)

FOCtek manufactures a wide range of polarization optics, include Polarizer (Glan Taylor, Glan Laser, Glan Thompson, Wollaston and Rochon), polarization beam combiner, waveplate, polarization rotator, Depolarizer by adopting Birefringent crystals of a-BBO, calcite, YVO4, quartz and MgF2. (read more)

Optical bonding technology utilized in Foctek's Polarizer Beamsplitter Cube provide a long service life while with standing high-power laser shock in applications for communication and optical instruments. (read more)

This precision optical instrument is invaluable for the complete analysis of polarized light. There are two models available-Model BSC 100 fabricated from synthetic crystal quartz which spans from 190-1600nm and Model BSC 100F in magnesium fluoride which covers from 120nm-7.5μm.

Theory
The BSC 100 Babinet Soleil Compensator is constructed from two opposed crystal quartz we... (read more)

• The observation distance can reach 10KM,
• Super long focal length 750mm,
• Day and night monitoring,
• High target recognition,
• Strong fog penetration ability,
• The picture is clear.

Eyepiece are widely used in optical systems such as telescopes and microscopes. FOCtek can provide from 2X-20X magnifications eyepieces or according to custmade. (read more)

Polarizing CPolarization Cube BeamSplitterube Beamsplitters split randomly polarized beams into two orthogonal,linearly,polarized components-S-polarized light is reflected at a 90deg.Angle while P-polarized light is transmitted.Each beamsplitter consists of a pair of precision high tolerance right angle prisms cemented together with a dielectric coating on the hypotenuse of... (read more)

Foctek mainly offers followingFilter products : Colored Glass Filter Applications; Interference Filter; Neutral Density Filter; Dielectric Coating Filter (read more)

A polarizer is an important optical component that is widely used in laser systems to generate the linear polarization laser. Foctek makes following polarizers with five materials, a-BBO, Calcite and YVO, Quartz MgF, suitable for the widest spectrum and high polarization purity applications. (read more)

FOCtek can design, process, and manufacture aspherical lenses, aspherical cylindrical lenses, and off-axis parabolic lenses according to customer needs. Suitable for laser devices, optical communication systems, medical systems, etc. (read more)

The Coating on the optical element is very important, which can improve the transmission, high reflection, etc. Foctek offers all kinds of anti-reflective (AR coating), high reflective (HR Coating) and partial reflective (PR Coating) coating according to customer's requirement. (read more)

Cylindrical lenses are available in either plano-concave or plano-convex configurations from FOCtek, Plano-concave lenses have a negative focal length and are used for image reduction or to spread light Plano-convex lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging applications. (read more)

Now, Infrared Lens are widely used in Human body temperature measurement, Vehicle ADAS system, Product detection, Real-time heat source monitoring and other fields.

Foctek can customize infrared materials lenses such as Ge, Cu, and Chalcogenide glass according to customer needs. We can provide products with a diameter of Φ10mm~ Φ200mm. Single point diamond turning accuracy... (read more)

The aspheric cylindrical lens lapping technology independently developed by FOCtek can customize different aspheric cylindrical lens according to customer needs.FOCtek's creative non-spherical cylindrical surface type detection technology breaks through the difficulty of not being able to calibrate the surface type after product production. (read more)

A polarizer is an important optical component that is widely used in laser systems to generate the linear polarization laser. Foctek makes following polarizers with five materials, a-BBO, Calcite and YVO, Quartz
MgF, , suitable for the widest spectrum and high polarization purity applications. (read more)

They are widely used in bar code scanning, projection optics systems, laser measurement systems and holography. (read more)

Aspheric lens has better radius of curvature and can maintain good aberration correction to obtain the desired performance.The application of aspheric lens brings excellent sharpness and higher resolution, while the miniaturization of the lens is possible.

Molding process as following (read more)

Penta prism can deviate an incident beam without inverting or reversing to 90°.The deviation angle of 90° is independent of any rotation of the prism about an axis parallel to the line of intersection of the two reflecting faces. It is commonly used in Plumb Level, Surveying, Alignment, Range finding and Optical Tooling. (read more)

Waveplate is an optic in which the polished faces contain the optical axis.All light incidents normal to the surface are composed of components polarized paralle and peerpendicular to the axis.In such a device,light polarized parallel to the axis will propagate slower than light polarized perpendicular to the axis.As the light propagates through the optic,the phase shift between the two... (read more)

Cylindrical lenses are used to correct astigmatism in the eye and in rangefinders, to produce astigmatism,

tretching a point of light into a line, they are widely used in bar code scanning, projection optics systems, laser measurement systems and holography. (read more)