Announcements

Foctek Photonics, Inc. has promoted these products / services:

Foctek Photonics, Inc. - BeamSplitter for Optical Fiber

The common Beam splitters are used to split or combine laser beam. However Polarization BeamSplitters are used to split or combine two perpendicular polarization laser beam. The performance of beamsplitters is mainly dependent on the coating specifications. (read more)

Foctek Photonics, Inc. - A kind of laser Crystals—Nd:GdVO4

Neodymium doped Gadolinium Vanadate (Nd:GdVO4) is a promising material for diode pumped laser. Similar to Nd:YVO4 crystal, Nd:GdVO4 crystal also exhibits 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. Nd:GdVO4 has the additional advantage over Nd:YVO4 of a much higher t... (read more)

Foctek Photonics, Inc. - F-theta Scan Lens for Industrial Laser

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, and excellent flat field performance. Can be customized according to c... (read more)

Foctek Photonics, Inc. - Silicon Window for Infrared Optics

Note for Silicon Window:
(1). Custom-made Silicon windows at any size are available.
Besides round, shape of quadrate, triangular, or other polygonal are available.
(2). Thickness from 1.0mm to 80.0 mm is available upon request.
(3). Better bevel is available upon request.
(4). Si Windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflec... (read more)

Foctek Photonics, Inc. - Optical Mirror

FOCtek 提供由 Bk7、K9、熔融石英、CaF2、蓝宝石等基材制成的电介质镀膜反射镜和金属镀膜反射镜。 (read more)

Foctek Photonics, Inc. - Micro Optics Component for communication

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)

Foctek Photonics, Inc. - Precision optics division

Foctek provides customers with high-precision optical components, precision optical spectroscopic components, polarization, laser crystal and nonlinear optical crystal components, precision optical lenses, high-definition security surveillance lenses, 5 megapixel machine vision lenses and optical system solutions. Products are widely used in precision instrument, semiconductor, micro mea... (read more)

Foctek Photonics, Inc. - Waveplate for Laser

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)

Foctek Photonics, Inc. - Polarizer
  • Glan Taylor Polarizer
  • Glan Laser Polarizers
  • High Transmission Glan Laser Polarizers
  • Glan Thompson Polarizers
  • Broadband DUV Polarizer (200-3300nm)
  • Glan Thompson Polarizing Beamsplitter Cubes
  • Wollaston Polarizers
  • Rochon Polarizers
  • Broad Band Polarization Beam Combiner
(read more)
Foctek Photonics, Inc. - FA/Machine Vision Lens for Industry

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. (read more)

Foctek Photonics, Inc. - Automotive Optics For ADAS

FOCtek produces Laser LiDAR components, LiDAR Lens and Automotive Lens used in Unmanned driving system, ADAS, IMS, DMS system, etc.Our products have many advantages:

  • Waterproof IP68
  • Wide view & Short TTL less than 15mm
  • Excellent Color Consistency
  • High resolution
  • Custom-made lens is available up...
(read more)
Foctek Photonics, Inc. - Precision Aspherical Components

FOCtek's ultra-precision Aspherical milling and polishing processing indicators: (read more)

Foctek Photonics, Inc. - Light Detection and Ranging for LiDAR

Because lidar can form a 3D environment map with an accuracy of up to centimeter level. LiDAR is an important component in intelligent driving systems such as ADAS, RMS, DMS, etc.

This product only accepts customer customization. (read more)

Foctek Photonics, Inc. - Er: Doped Phosphate Glass

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 Photonics, Inc. - Corner Cube Retroreflectors

Material:------------------------- N-BK7 Grade A optical glass
Dimension Tolerance: ------ 0.0, -0.2 mm
Clear Aperture: -------------->80% Deviation:--------------------- 180°±3 arc seconds
Flatness: -----------------------l/4 on big surface, l /10 on other surfaces
Surface Quality:------------- 60-40 scratch and dig... (read more)

Foctek Photonics, Inc. - Aspherical Cylindrical

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)

Foctek Photonics, Inc. - Optical crystal--TGG Crystal(Faraday Rotato)

TGG (Terbium Gallium Garnet) single crystal is the best and magneto-optical materials for the production of Faraday polarizer and isolators, which can be applied in the range of 400-1100 nm wavelength (excluding 470-500 nm). Faraday polarizer is composed of the TGG crystal rod and a special designed magnet. (read more)

Foctek Photonics, Inc. - LWIR Lens for Heat Collection

Our LWIR lens:

  • Working Wavelength: 8~14μm
  • Transmittance > 90%
  • Operating temperature:-40°C~80°C
  • Small size
  • Resistant to high frequency vibration and shock
  • Compatible with mainstream sensors
(read more)
Foctek Photonics, Inc. - Cylindrical Lens

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.
Cylindrical lenses are available in either plano-concave or plano-convex configurations from FOCtek, (read more)

Foctek Photonics, Inc. - TGG Crystal(Faraday Rotato)

TGG (Terbium Gallium Garnet) single crystal is the best and magneto-optical materials for the production of Faraday polarizer and isolators, which can be applied in the range of 400-1100 nm wavelength (excluding 470-500 nm). Faraday polarizer is composed of the TGG crystal rod and a special designed magnet. (read more)

Foctek Photonics, Inc. - Achromatic Waveplate

Unlike standard waveplates, Achromatic Waveplates, AWP, provide a constant phase shift independent of the wavelength of light that is used.This wavelength independence is achieved by using two different crystalline materials to yield quarter- or half-wave retardation over a broad spectral range.The Retardation tolerance of our AWPs is better than λ/100 over the entire wavelength r... (read more)

Foctek Photonics, Inc. - Anamorphic Prisms
  • Material: ------------------------N-SF11 Grade A optical glass
  • Dimension Tolerance: -----+0.0, -0.2 mm
  • Clear Aperture: --------------->80%
  • Flatness: -----------------------l/8 @633 nm
  • Theta:-------------------------- q = 29°27'±3"
  • Surface Quality:--------------60-40 scrach and dig
  • C
(read more)
Foctek Photonics, Inc. - Reflection Prism

The reflection prisms are usually used for diverging the ray or for changing image location in relation to the subject (rotation, inversion). All the surfaces of the reflection prisms are flat. Reflection surfaces are mirrored, but it is possible, however to make use of Total Internal Reflection (TIR). Besides the Right angle prism, Penta prism, Corner Cube and Dove Prism, (read more)

Foctek Photonics, Inc. - Magneto-Optical Glass(Faraday Rotator)

Magneto Optical Glass / Faraday rotator glass materials Tb-10, Tb-12 and Tb-15 are designed for laser light flux output control in the magnetic field in visible and near-IR spectral range. It is used in manufacture of faraday rotating components based on Faraday rotation of the light polarization plane, such as optical isolators, circulators, magneto-optical modulato... (read more)

Foctek Photonics, Inc. - Babinet Compensator

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. (read more)

Foctek Photonics, Inc. - optical prisms-Penta Prisms

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)

Foctek Photonics, Inc. - Better precision Right Angle Prisms

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

Foctek Photonics, Inc. - IPL Products

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

Foctek Photonics, Inc. - Motorized zoom lens from FOCtek

The first large power zoom lens independently developed and designed by FOCtek, through the variable frequency motor drive function, perfectly solves the problem of conflict between fast focusing and fine focusing. At the same time, the fog function can solve the problem of clear images that are easily affected by the weather. The problem of declining degree. Has the following characteri... (read more)

Foctek Photonics, Inc. - Broadband Glan Thompson Polarizer

Broadband Glan Thompson Polarizer(Broadband DUV Polarizer 200-3300nm)
Foctek Patent Pending
Broadband Glan Thompson Polarizer is made of two a-BBO prisms cemented together. Unlike other types of a-BBO polarizer and Calcite Polarizer which are used from about 200 nm to 900 nm and 350 nm to 2300 nm respectively, this broadband polarizer has a wide rang of wavelength from 200nm... (read more)

Foctek Photonics, Inc. - Off-axis Parabolic mirror from FOCtek

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)

Foctek Photonics, Inc. - Crystal Optics--KTP

KTP (KTiOPO4) is a nonlinear optical crystal, which possesses excellent nonlinear and electro-optic properties.It has large nonlinear optical coefficients and wide angular bandwidth and small walk-off angle,etc.which make it suitable for various nonlinear frequency conversion and wave guide online_ordering. (read more)

Foctek Photonics, Inc. - DKDP Series Pockels cell

KDP & DKDP Crystals
Potassium Dihydrogen Phosphate (KDP) and Potassium Dideuterium Phosphate (DKDP) are among the most widely-used commercial NLO materials, characterized by good UV transmission, high damage threshold, and high birefringence, though their NLO coefficients are relatively low. They are usually used for doubling, tripling or quadrupling of a Nd:YAG laser (at const... (read more)

Foctek Photonics, Inc. - Optical Coating

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)

Foctek Photonics, Inc. - Achromatic Lens

Achromatic lenses are very common type of viewer lenses, they consist of two or more lense elements,which

have been corrected for chromatic aberration with respect to two selected wavelengths, The elements must be fixed in relation to one another by either mounting or cement.
Achromatic Lenses are designed to specifically function within the infrared, visible, or ultra-violet... (read more)

Foctek Photonics, Inc. - Infrared Material lenses-Infrared Lens

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)

Foctek Photonics, Inc. - Colored Glass Filter

Description:

  • Photographing Apparatus
  • Meter and Instrument
  • Optical Device
  • Medical Treatment Apparatus
  • Teaching Apparatus
  • UV Analyzer
  • Financial Equipment
  • Airport Lamps
  • Military Equipment
  • Technological Research Institute
  • Public Security Department
(read more)
Foctek Photonics, Inc. - Q-switch
  • extinction Ratio: >5000: 1
  • Wavefront Distortion: < λ/8 @633nm
  • Capacitance: according to different model
  • Single Pass Optical Transmission: >98%
  • Damage Threshold: >750MW/cm2 @1064nm, 10ns 10Hz
  • Spectral Range: 240nm~1400nm
(read more)
Foctek Photonics, Inc. - laser crystal--Nd:YVO4

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)

Foctek Photonics, Inc. - Achromatic Lenses
  • Design Wavelength:--------------------------------------------------480.0,546.1,643.8nm
  • Diameter Tolerance:-------------------------------------------------- +0.0, -0.15mm
  • Paraxial Focal Length Tolerance:-----------------------------------±2%
  • Centration: --------------------...
(read more)
Foctek Photonics, Inc. - Silicon Window

Note for Silicon Window:
(1). Custom-made Silicon windows at any size are available.
Besides round, shape of quadrate, triangular, or other polygonal are available.
(2). Thickness from 1.0mm to 80.0 mm is available upon request.
(3). Better bevel is available upon request.
(4). Si Windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflec... (read more)

Foctek Photonics, Inc. - High Power Polarizer Beamsplitter Cube

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 Photonics, Inc. -  Zero Order Waveplates

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)

Foctek Photonics, Inc. - BBO crystal

BBO (beta-BaB 2 O 4 ) is a nonlinear optical crystal with combination of number of unique features. Wide transparency and phase matching ranges, large nonlinear coefficient, high damage threshold and excellent optical homogeneity provide attractive possibilities for various nonlinear optical online_orderings. (read more)

Foctek Photonics, Inc. - High Transmission Glan Laser Polarizers

FOCtek specially designed a high transmission Glan Laser Polarizer for online_ordering which requires high transmission. The specially designed polarizer is based on the Brewster Cut crystal, which can improve the transmission from normally >85% to 95%. This polarizer can be made from both Calcite and YVO4. (read more)

Foctek Photonics, Inc. - Polarization Optics
  • Waveplate
  • Polarizer
  • Polarizer Beamsplitter Cube
  • Depolarizer
  • Babinet Compensator
  • Rotator
(read more)
Foctek Photonics, Inc. - Aspherical Lens for Imaging

Aspheric lenses are materials with excellent optical performance and can completely replace spherical lenses. FOCtek can provide various aspheric lenses, aspheric cylindrical lens and off-axis parabolic lens. (read more)

Foctek Photonics, Inc. - Prisms - Corner Cube Retroreflectors

Material:------------------------- N-BK7 Grade A optical glass
Dimension Tolerance: ------+0.0, -0.2 mm
Clear Aperture: -------------->80%
Deviation:--------------------- 180°±3 arc seconds
Flatness: -----------------------l/4 on big surface, l /10 on other surfaces
Surface Quality:------------- 60-40 scratch an... (read more)