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Page 3 - Fiber Optic Couplers

Single Mode Single Window Coupler
DK Photonics
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Single Mode Single Window Coupler
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DK Photonics\' Single mode coupler 1X2/2X2 offer very low insertion loss, low polarization dependence and excellent environmental stability Accurate coupling ratio from 50/50 to 1/99 and fiber type 250um bare fiber, 3mm and 900um loose tube fiber are available with very tight uniformity. Singlemode standard coupler and wideband ...

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Single Mode Triplex Window Coupler
DK Photonics
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Single Mode Triplex Window Coupler
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Built by asymmetric coupling technique, Triplex Window Coupler operating bandwidth is expanding to 1310nm, 1490nm and 1550nm three communication windows. The TWC coupler has the same coupling ratio on 1310, 1490 and 1550nm communication windows, with low excess loss and low PDL. TWC is widely used for communication systems, ...

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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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980~1080nm High Power SM Fiber Fused Coupler
DK Photonics
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980~1080nm High Power SM Fiber Fused Coupler
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DK Photonics utilizes a unique fusing technique to construct the 980~1080nm High Power SM Fiber Fused Coupler. These couplers are designed to split off a portion of light for optical monitoring and feedback purposes. They are extensively used in fiber amplifier power control, as well as in transmission equipment for performance ...

Specifications
Type: Other / Not specified
Configuration: 1x2, 2x2
Splitting Ratio: 50/50
Wavelength: 980-1080 nm
Fiber Type: Single-mode (SM)
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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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CP112 Fiber Optic Coupler
Advanced illumination
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CP112 Fiber Optic Coupler
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The CP112 Fiber Optic Coupler is a reliable and easy-to-use accessory that securely connects the SL112 or SL162 illuminators to Moritex, Dolan-Jenner, and Fostec fiber optic light guides. This coupler is an essential tool for users who need to connect fiber optic light guides to their illuminators with confidence and ease. The CP112 ...

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Large Core Fiber Coupler - Multimode Fiber Optic Splitter
Lfiber Optic Limited
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Large Core Fiber Coupler - Multimode Fiber Optic Splitter
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Lfiber’s large core fiber coupler (multimode fiber optic splitter: 100um, 105um, 200um, 300um, 400um, 600um, 800um, 900um, 1000um, 1500um (micron/μm)) is an optical power splitter designed to split light within ultraviolet, visible and infrared wavelengths, typically from 190 to 2500 nm.   It bases on fused ...

Specifications
Port Configuration: 1×2 ~ 1×32; 2x2 ~ 32x32
Operating Power: ≤1W, ≤5W, ≤10W, ≤50W, ≤100W, ≤300W, Others On Request
Operating Wavelength: 190 ~ 2500 nm on request
Transmission Efficiency: 80% ~ 99.5% (Typ. >90%)
Fiber Core Diameter (μm): 105, 200, 400, 600, 800,1000, Others On Request
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High Temperature of 200°C 1x2(2x2) Singlemode Fiber Splitter Coupler
LightOptics
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High Temperature of 200°C 1x2(2x2) Singlemode Fiber Splitter Coupler
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The high temperature of 200°C fiber optic coupler is based on fused biconical taper technology and compact packaging structure. It features good uniformity, low excess loss and very low polarization sensitivity. This 1x2 fused splitter features of High Sustained Temperature, Low PDL, High Directivity with stable and reliable ...

Specifications
Vendor: LightOptics
Configuration: 1x2 2x2
Wavelength: 1550nm 1310nm
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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
Port Type: 1x2/2x2/1x3/3x3
Operating Wavelength: 780-2000nm nm
Bandwidth: +-20+-30 nm
Excess Loss: ≤0.3 dB
Extinction Ratio: ≥15 dB
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1550nm / 1064nm 1x2 2x2 Polarization Maintaining Optical Fused Coupler/Splitter
RUIK-TECH COMMUNICATION (Dongguan) CO.,LTD
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1550nm / 1064nm 1x2 2x2 Polarization Maintaining Optical Fused Coupler/Splitter
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熔接耦合器用于在两根光纤之间分离光信号，或将来自两根光纤的光信号组合成一根光纤。它们是通过将两根纤维融合在一起并逐渐变细而构成的。RUIK 的熔接耦合器有多种波长、光纤尺寸和分光比可供选择。光纤末端可以用各种光纤连接器端接。标准配置为 1x2 和 2x2 耦合器。N by M 熔断器，如 1x3 或 1x4 等，也可根据要求提供。RUIK\'s fused couplers are available in a range of wavelengths, fiber sizes, and splitting ratios. The fiber ends can be terminated with a variety of fiber connectors. ...

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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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1310nm 12x(1x2) SM Fused Coupler is built with fused biconical taper (FBT) technology, it integrated with 12pcs 1x2fused coupler with a compact package, optical signal power can be splitted into two parts with even or various couplingratio by the FBT Coupler, it\'s widely applied in fiber optic transmission and fiber optic sensor ...

Specifications
Wavelength: 1310 nm
Configuration: Nx(1x2)
Max. Excess Loss: 0.3 dB
Coupling Ratio: 1~99 %
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High Power Fiber Optical Combiner (Multimode Fiber Coupler)
Lfiber Optic Limited
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High Power Fiber Optical Combiner (Multimode Fiber Coupler)
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This UV-VIS-NIR fiber combiner (optical power combiner: 50/125, 105/125, 200/220, 400/440 (400/430), 600/630, 800/830, 1000/1100 μm) is a large core fiber-based passive optical component that combines two or more optical power inputs into one fiber output. The input/output multimode fibers are available from 50 μm (micron) to ...

Specifications
Port Configuration: 2x1, 3x1, 4x1, 5x1, 6x1, 7x1, 8x1, 9x1, 10x1 ~ 32x1
Connector: None, SC/PC, FC/PC, ST, SMA905, Custom
Operating Wavelength: 200-1600nm (on request)
Transmission Efficiency: 80% ~ 99.5% (Typ. >90%)
InputFiber Core Diameter (μm): 50, 105, 200, 400, 600; Others On Request
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Single-Mode (NOn-PM) or Polarization-Maintaining(PM) Fiber Optic Coupler for Infrared Light
Lfiber Optic Limited
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Single-Mode (NOn-PM) or Polarization-Maintaining(PM) Fiber Optic Coupler for Infrared Light
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Lfiber’s Single-Mode (NOn-PM) or Polarization-Maintaining(PM) Fiber Optic Coupler for Infrared Light(visible/infrared light beam splitter: 405nm, 430nm, 450nm, 457nm, 460nm, 473nm, 488nm, 532nm, 630nm, 633nm, 635nm, 650nm, 780nm, 830nm, 850nm, 980nm, 1064nm, 1480nm, 1570nm, 1590nm, 1625nm, 1700nm, 2000nm, etc.) is the standard ...

Specifications
Port Configuration: 1x2, or 2x2
Connector: None, LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC, ST, MU, Custom …
Center Wavelength (nm): 780~2000nm (Optional), Typical Infrared Light of 780, 830, 850, 980, 1064, 1480, 1570, 1625, 1700, 1590, 2000 nm
Insertion Loss (dB): ≤3.6
Fiber Type: Single-Mode (NOn-PM) or Polarization-Maintaining(PM) Fiber
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Single-Mode and Polarization-Maintaining Fiber Coupler (Visible Light Fiber Optic Splitter)
Lfiber Optic Limited
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Single-Mode and Polarization-Maintaining Fiber Coupler (Visible Light Fiber Optic Splitter)
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Lfiber’s Single-Mode and/or Polarization-Maintaining Fiber Coupler\'s operating wavelength is in visible wavelength ranges from 400 to 700 nm, typically 405nm, 430nm, 450nm, 457nm, 460nm, 473nm, 488nm, 532nm, 630nm, 633nm, 635nm, 650nm. Other wavelengths are also available upon request, and optimized fibers for any ...

Specifications
Port Configuration: 1x2, or 2x2
Connector: None, LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC, ST, MU, Custom …
Center Wavelength (nm): 400~700nm (Optional), Typ. wavelengths of 405nm, 430nm, 450nm,457nm, 460nm, 473nm, 488nm, 532nm, 630nm, 633nm, 635nm, 650nm, Others on Request
Fiber Type: Single-Mode (Non-PM) or Polarization-Maintaining (PM) Fibers
Split Ratio: 50/50, 60/40, 70/30, 80/20, 90/10, 95/5, 98/2, 99/1, Custom …
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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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