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Page 3 - Fiber Optic Couplers

1310nm Singlemode Broadband Coupler-SBC
GKER Photonics
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1310nm Singlemode Broadband Coupler-SBC
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The GKER Photonics Singlemode Broadband Coupler (GK-SBC Series) is designed to meet the rigorous demands of modern optical communication systems. This high-performance coupler is known for its low insertion loss, minimal polarization dependence, and superior environmental stability. These features ensure that the signal quality ...

Specifications
Type: Other / Not Specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 850 nm
Fiber Type: SMF-28e
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1310-1550nm Singlemode Broadband Coupler -SBC
GKER Photonics
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1310-1550nm Singlemode Broadband Coupler -SBC
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The GKER Photonics Singlemode Broadband Coupler (GK-SBC Series) is an advanced optical component meticulously engineered to meet the rigorous demands of modern optical communication systems. This series of couplers is characterized by its exceptional performance in terms of low insertion loss, low polarization dependence, and ...

Specifications
Type: Other / Not Specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310 nm
Fiber Type: SMF-28e
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1550nm Ultra Low Ratio Tap Coupler GK-LTC Series
GKER Photonics
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1550nm Ultra Low Ratio Tap Coupler GK-LTC Series
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The GK-LTC Series Ultra Low Ratio Tap Coupler from GKER Photonics is an advanced optical device designed to provide precise light tapping with extremely low ratios. This coupler is engineered for applications where only a minute fraction of the light needs to be diverted from the main signal path to the tap port, making it ideal for ...

Specifications
Type: Other / Not Specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1064 nm
Fiber Type: SMF-28e
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Multimode Fiber Filter Coupler GK-MMFC Series
GKER Photonics
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Multimode Fiber Filter Coupler GK-MMFC Series
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The GK-MMFC Series Multimode Fiber Filter Coupler by GKER Photonics is engineered for exceptional performance in various optical communication applications. Designed to deliver very low excess loss and high stability, this coupler provides reliable and efficient signal distribution across its operating wavelength range of 1310 nm and ...

Specifications
Type: Other / Not Specified
Configuration: 1x2
Splitting Ratio: Other / Not specified
Wavelength: 1310 nm
Fiber Type: 50/125 μm
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633 635 640 650 670 680nm 1x2 and 2x2 PM Fiber Filter Coupler
Seagnol Photonics Co. Ltd
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633 635 640 650 670 680nm 1x2 and 2x2 PM Fiber Filter Coupler
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680nm 1x2, 2x2 Polarization Maintaining (PM) Fiber Filter Coupler is a cutting-edge optical device designed with advanced thin-film filter technology. This coupler is engineered to split optical signal power into two parts, either evenly or with various coupling ratios, making it an essential component in the fields of Quantum ...

Specifications
Type: Other / Not Specified
Configuration: 1x2
Splitting Ratio: 50/50
Wavelength: 633 nm
Fiber Type: Single-mode (SM)
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Laser Diode to Fiber Coupler - Pigtail Style
OZ Optics
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Laser Diode to Fiber Coupler - Pigtail Style
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The laser diode to fiber couplers from OZ Optics come in a compact and rugged package, offering optimal coupling efficiency. They can be purchased prealigned, with the diode already installed, or as a kit for customer assembly using their own diode. The assembly process is straightforward and can be completed in less than twenty ...

Specifications
Wavelength Range: 375nm to 2050nm
Fiber Types: Single mode, multimode, or polarization maintaining fiber
Variants: Receptacle style couplers and pigtail style couplers
Diameter Options: 0.79
Additional Options: Built-in isolators, blocking screw option, polarizers or polarization rotators
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Adjustable Focus Laser to Fiber Coupler
OZ Optics
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Adjustable Focus Laser to Fiber Coupler
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The Adjustable Focus Laser to Fiber Coupler is a high-power optical coupling solution designed for applications where coupling efficiency is crucial, especially in high-power situations. It features a special connector that allows precise control of the spacing between the fiber and lens without rotating the fiber. This is ...

Specifications
Coupling Efficiency: Typically >70% for singlemode and polarization maintaining fibers; >90% for multimode fibers
Backreflection Levels: <-35dB for multimode fibers; <-40dB for singlemode and polarization maintaining fibers; <-60dB versions are also available
Polarization Extinction Ratios: >20dB; 25dB and 30dB versions are also available
Available Wavelengths: 200 - 2100 nm
Power Handling: >5 Watts CW for achromats; >10 Watts CW for aspheric lenses; >100 Watts CW for fused silica or plano-convex and biconvex lenses (multimode fibers); >100 Watts CW for axial GRIN lenses (SM, PM, and LMA fibers)
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Laser Diode to Fiber Coupler - Receptacle Style
OZ Optics
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Laser Diode to Fiber Coupler - Receptacle Style
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The Laser Diode to Fiber Coupler - Receptacle Style by OZ Optics offers a complete line of laser diode couplers that provide optimal coupling in a compact and rugged package. These couplers are available in realigned form or as kits that can be assembled by the customer. They are designed for coupling light from laser diodes to ...

Specifications
Coupling Efficiency: 10-75 % (depending on diode and fiber)
Return Loss: 15-40 dB (depending on connectors)
Wavelength: 375-2000 nm (discrete wavelength steps)
Wavelength Accuracy: ±5 nm to ±30 nm (depending on diode)
HULD-53: 10mm OD OEM version FC receptacle
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Polarization Maintaining Filter Coupler
DK Photonics
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Polarization Maintaining Filter Coupler
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The Polarization Maintaining Filter Coupler 1310&1550nm is a polarization maintaining coupler which either splits the light from the input PM fiber into two output PM fibers, or combines light signals from two PM fibers into a single PM fiber. The state of polarization can be aligned either with the slow axis or the fast axis of ...

Specifications
Type: Other / Not Specified
Configuration: 1x2
Splitting Ratio: 50/50, 40/60, 30/70, 20/80, 10/90
Wavelength: 1030 nm
Fiber Type: N/A
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Polarization Maintaining Fused Fiber Couplers and Splitters
OZ Optics
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Polarization Maintaining Fused Fiber Couplers and Splitters
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Fused couplers are used to split optical signals between two (or more) fibers or to combine optical signals from two (or more) fibers into one fiber. They are constructed by fusing and tapering the fibers together. This method creates a simple, rugged, compact method of splitting or combining optical signals. ...

Specifications
Wavelength Range: 780 - 2005 nm
Directivity: 55 dB
Bandwidth: ±1.25 % of center wavelength, ±20 nm
Return Loss: <50 dB
Directivity: <55 dB
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Pigtail Style Laser to Fiber Couplers
OZ Optics
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Pigtail Style Laser to Fiber Couplers
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Pigtail style source couplers are recommended for permanent or semipermanentsituations, where optimum coupling efficiency, output stability, and minimum backreflection are desired. In these couplers the fibers are permanently glued to the focusing lens. The fiber-lens assembly is then inserted into the tilt adjustment ...

Specifications
Wavelength Range: 180 - 2000 nm
Max Power: 100 W
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Fused Couplers – Fiber Optic
OZ Optics
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Fused Couplers – Fiber Optic
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Fused couplers are used to split optical signals between two fibers, or to combine optical signals from two fibers into one fiber. They are constructed by fusing and tapering two fibers together. This method provides a simple, rugged, and compact method of splitting and combining optical signals.  Typical ...

Specifications
Wavelength Range: 400 - 2005 nm
Directivity: 50 dB
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1030nm PM Fiber Fused Coupler
DK Photonics
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1030nm PM Fiber Fused Coupler
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The 1030nm 1x2(2x2) PM Fiber Fused Coupler by DK Photonics is a testament to precision engineering. Using unique fusing techniques and polarization-maintaining fiber, these couplers are tailored to meet specific customer requirements. Featuring low insertion loss, high extinction ratio, and a compact in-line package, these couplers ...

Specifications
Type: Fused Biconical Taper (FBT)
Configuration: 1x2, 2x2
Splitting Ratio: Other / Not specified
Wavelength: 1030 nm
Fiber Type: Multi-mode (MM)
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Laser to Fiber Coupler with Receptacle (Non-Contact Style)
OZ Optics
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Laser to Fiber Coupler with Receptacle (Non-Contact Style)
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The Laser to Fiber Coupler with Receptacle is a versatile and cost-effective solution for coupling lasers to fibers. It features a non-contact style design with an air gap between the fiber and the lens, allowing for a wide range of lens types and focal lengths. This coupler offers high power handling, excellent polarization ...

Specifications
Wavelength Range: 180 - 2000 nm
Max Power: 100 W
Coupling Efficiency: Typically >60% into single-mode or polarization maintaining fibers, >80% for multimode fibers
Backreflection Levels: Typically -14dB with standard connectors, Typically <-60dB with angled connectors
Polarization Extinction: Typically >20dB; 25dB, 30dB versions are also available
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Fiber to Photodiode Couplers
OZ Optics
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Fiber to Photodiode Couplers
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The Fiber to Photodiode Couplers by OZ Optics offer high coupling efficiency and are available in single mode, polarization maintaining, and multimode versions. These compact couplers feature InGaAs or Si photodiodes and can be customized with specific diodes. They are ideal for applications such as power measurements, optical ...

Specifications
Coupling Efficiency: High
Housing: Compact
Photodiode: InGaAs, Si (Standard); Custom specific diodes
Packaging Services: Available at a low cost
Coupler Design: Rugged and flexible
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1x2/2x2 or 1x3/3x3 PM Fiber Coupler
Shenzhen Oscom Technology Co., Ltd
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1x2/2x2 or 1x3/3x3 PM Fiber Coupler
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XHP 1×2/2×2 and XHP 1×3/3×3  polarization maintaining fiber coupler features low insert loss, wavelength and coupling ratio can be customized, stable and reliable. It can be integrated into fiber gyroscope, fiber sense, fiber measuring equipment and PM fiber amplifier etc.  

Specifications
Type: Other / Not Specified
Configuration: 1x2, Other
Splitting Ratio: Other / Not specified
Fiber Type: Multi-mode (MM)
Connector Type: Other / Not specified
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1310nm 12x(1x2) SM Fiber Fused Coupler
Seagnol Photonics Co. Ltd
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1310nm 12x(1x2) SM Fiber Fused Coupler
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The 1310nm 12x(1x2) SM Fiber Fused Coupler is an advanced optical device engineered using the sophisticated fused biconical taper (FBT) technology. This coupler is designed to integrate 12 pieces of 1x2 fused couplers into a compact package, allowing optical signal power to be split into two parts with either even or varied coupling ...

Specifications
Type: Fused Biconical Taper (FBT)
Configuration: 1x2
Splitting Ratio: Other / Not specified
Fiber Type: Single-mode (SM)
Connector Type: Other / Not specified
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Wideband Multimode Circulator / Combiner
Castor Optics Inc
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Wideband Multimode Circulator / Combiner
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Castor Optics’ Wideband Multimode Circulator (WMC) is a three-port device that features a flat spectral response as well as high-efficiency multimode transfer and multimode transmission. It can be used as a circulator or to combine multiple signals within a single multimode fiber. Castor’s all-fiber WMC series offers an efficient, ...

Specifications
Isolation: >8.5dB
Wavelength Range: 400-900nm or 400-1600nm
Transfer Efficiency: >70%
Transmission Efficiency: >70%
Directivity: >35dB
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Double-clad Fiber Couplers
Castor Optics Inc
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Double-clad Fiber Couplers
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The double-clad fiber couplers developed by Castor Optics combine single-mode light transmission with multimode light transfer. Light transmission in the core is quasi-lossless from Port A to Port S, and again from Port S to Port A (see diagram). In the inner cladding of the double-clad fiber, light transfer occurs from the inner ...

Specifications
Single-mode Central Wavelength: 530, 780, 1060 or 1300 nm
Single-mode Insertion Loss: < 0.5 dB
Multimode Transfer: ≥ 60%
Multimode Spectral Range: 400-1600 nm
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1020-1120nm PM Fused Coupler for Pulse Power
Haphit Inc
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1020-1120nm PM Fused Coupler for Pulse Power
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The 980~1060nm Fused PM Fiber Coupler/Splitter from Haphit is an innovative solution designed for pulse power applications. This product is crafted with precision to meet the demands of modern optical systems, ensuring optimal performance and reliability. It operates within a center wavelength range of 980nm, 1030nm, and 1060nm, ...

Specifications
Wavelength: 1120 nm
Fiber Type: PM980 Fiber, 10/125um PM Fiber
Split Ratio: 0.01~50%
Average Power: 1-20W
Peak Power: 1-20kW
Data Sheet
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