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Fiber Optic Network Applications
Applications of Polarization-Maintaining Fiber Devices in Fiber Optic Communication Networks
1064nm PM Fiber Optic Isolator
1064nm PM Fiber Optic Isolator with low insertion loss, high return loss, and high isolation. Based on Faraday magneto-optic effect for unidirectional light transmission.
In-line Faraday Rotator (1315nm)
In-line Faraday Rotator utilizes advanced magneto-optic effect principle to achieve precise 45±1° polarization rotation. Features low insertion loss (≤0.3dB), high extinction ratio (≥20dB), high return loss (≥50/50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. Operating wavelength 1310/1550±15nm, supports PM-PM, SMF-28e-PM, SMF-28e-SMF-28e fiber configurations, package size Φ5.5×L34mm. Widely used in fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems.
PM Polarization Maintaining Band Pass Filter 1550nm (PMBPF-1550)
PM Polarization Maintaining Band Pass Filter 1550nm is a high-performance optical filtering device with center wavelength 1550±6.5nm, featuring low insertion loss, high extinction ratio, and high return loss. Suitable for fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems.
1064nm PM 2×2 Fiber Coupler
1064nm PM 2×2 Fiber Coupler based on fused biconical taper technology with PM panda fiber. Low insertion loss, high extinction ratio, and excellent splitting ratio uniformity.
In-line Polarizer (1315nm)
In-line Polarizer features high extinction ratio polarization maintaining fiber design for efficient polarization selection. Low insertion loss (≤0.3dB), high extinction ratio (≥30dB), high return loss (≥50/50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. Operating wavelength 1310±40/1550±40nm, supports PMF-PMF, SMF-28e-PMF, SMF-28e-SMF-28e configurations, max input power 300mW, package size Φ5.5×L34mm. Widely used in fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems.
In-line Polarizer 980nm
In-line Polarizer is a high-performance PM fiber polarization selection device operating at 980±10nm. Features low insertion loss (≤0.4dB), high extinction ratio (≥28dB, typical 30dB), high return loss (≥50/50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. PM980/HI1060 fiber, max 300mW, Φ5.5×L34mm.
In-line Polarizer (1064nm)
In-line Polarizer is a high-performance polarization maintaining fiber polarization selection device operating at 1060±30nm, specifically designed for 1064nm band fiber laser systems. Features low insertion loss (≤0.4dB), high extinction ratio (≥28dB), high return loss (≥50/50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. Supports PM980-PM980, HI1060-PM980, HI1060-HI1060 fiber configurations, max input power 300mW, package size Φ5.5×L34mm. Widely used in industrial CW fiber lasers, fiber sensing, communication systems, test instruments, and polarization maintaining optical systems.
Isolator Polarization Beam Combiner/Splitter 1310&1550nm
1310nm 1550nm Isolator Polarization Beam Combiner/Splitter integrates isolator function, operating at 1310nm and 1550nm. Single stage typical IL 0.45dB, isolation 35dB; dual stage typical IL 0.55dB, isolation 50dB. High extinction ratio (≥20dB), high return loss (≥50dB), high directivity (≥50dB). Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. SM13/SM15 fiber, max 500mW, -5~+70°C, Φ5.5×34/35/38mm.
Polarization Beam Combiner/Splitter (1310&1550nm)
1315 Polarization Beam Combiner/Splitter is a high-performance polarization beam combining/splitting device operating at 1310nm, 1480nm, and 1550nm. Low insertion loss (Grade P 0.35dB), high extinction ratio (≥22dB), high return loss (≥50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. SM13-PS-U25A or SM15-PS-U25A fiber, max power 500mW, operating temperature -5~+70°C, package size Φ5.5×34/35/38mm. Widely used in fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems.
100GHz DWDM Filter
100GHz DWDM Filter utilizes dense wavelength division multiplexing technology with thin film coating technology and proprietary non-flux metal welding micro-optical packaging design to achieve upstream and downstream optical signal transmission within ITU wavelength range. The product uses mature multi-cavity dielectric film for optical filtering with excellent wavelength stability and sealed packaging for high environmental stability. Features include low insertion loss (≤1.1dB), high isolation (adjacent ≥30dB, non-adjacent ≥50dB), high stability and reliability. Widely used in DWDM networks, optical amplifiers, CATV fiber optic systems. Supports C-band and L-band ITU channels with 100GHz channel spacing, passband ≥±12.5GHz, polarization dependent loss ≤0.2dB, polarization mode dispersion ≤0.2ps. Operating temperature -5~+70°C, storage temperature -40~+85°C, SMF-28e fiber, package size Φ5.5×34mm.
Polarization Beam Combiner/Splitter 980&1064nm
PM Beam Combiner/Splitter at 980nm and 1064nm. P-grade typical IL 0.6dB, ER ≥22dB; A-grade typical IL 0.7dB, ER ≥20dB. High return loss (≥50dB), high directivity (≥50dB). Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. SM98/HI1060 fiber, max 500mW, -5~+70°C, Φ5.5×34/35/38mm.
In-line Faraday Rotator (1064nm)
In-line Faraday Rotator utilizes advanced magneto-optic effect principle to achieve precise 45±1° polarization rotation, specifically designed for 1064nm band fiber laser systems. Features low insertion loss (≤1.0dB), high extinction ratio (≥20dB), high return loss (≥50/50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. Supports PM980-PM980, HI1060-PM980, HI1060-HI1060 fiber configurations, max input power 500mW, package size Φ5.5×L34mm. Widely used in industrial CW fiber lasers, fiber sensing, communication systems, test instruments, and polarization maintaining optical systems.
Polarization Maintaining Dense Wavelength Division Multiplexer (1X2-100G)
PM Dense Wavelength Division Multiplexer supports ITU Grid 100GHz channel spacing, available in 100G and 200G port configurations. Pass band insertion loss ≤1.2dB, bandwidth @0.5dB ≥0.2nm, typical isolation 30dB. High extinction ratio (≥18dB), high directivity (≥45dB), high return loss (≥50dB), low ripple (≤0.3dB). Center wavelength stability ≤0.002nm, thermal stability ≤0.005dB/°C. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. PM 1550 Panda fiber, max power 300mW, operating temperature -5~+70°C, package size Φ5.5×34/35/38mm. Widely used in DWDM networks, optical amplifiers, CATV fiber optic systems.
1×3 Polarization Maintaining Coupler (1310&1550nm)
Polarization Maintaining Coupler is a high-performance 1×3 PM fiber coupler operating at dual wavelengths of 1310nm and 1550nm with 33:33:33 splitting ratio. Manufactured using fused biconical taper technology, it features low excess loss, high extinction ratio, high return loss, excellent environmental stability and reliability. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. Widely used in fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems. Grade P excess loss ≤0.8dB, Grade A ≤1.0dB, uniformity ≤0.7dB, extinction ratio ≥17dB (Grade P) / ≥16dB (Grade A), return loss ≥50dB (Grade P) / ≥45dB (Grade A), directivity ≥50dB, max handling power 2W, operating temperature -20~+70°C, storage temperature -50~+85°C, PM panda fiber, package size Φ3.0×70mm or Φ3.0×54mm.
Polarization Maintaining Filter Coupler (1310&1550nm)
PM Filter Coupler provides 1×2 and 2×2 port configurations, operating wavelength covers 980/1064/1310/1550nm. 1×2 excess loss ≤0.7dB, 2×2 excess loss ≤1.0dB, uniformity ≤0.5dB (50/50). High extinction ratio (F type ≥22dB, B type ≥20dB), high return loss (≥50dB). Supports multiple splitting ratios (1/99, 2/98, 5/95, 10/90, 50/50), SMF-28e or PM Panda fiber, max handling power 500mW (splitter), operating temperature -5~+70°C, package size Φ5.5×35/38mm. Widely used in fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems.
PM Filter Coupler 980&1064nm
PM Filter Coupler with 1×2 and 2×2 ports at 980nm and 1064nm. 1×2 excess loss ≤0.8dB, 2×2 ≤1.0dB, uniformity ≤0.6dB. High ER (F ≥22dB, B ≥20dB), high return loss (≥50dB). Multiple splitting ratios. Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. Max 500mW, -5~+70°C, Φ5.5×34/35/38mm.
Polarization Beam Combiner/Splitter (1X2&2X2) 1310&1550nm
1310/1550nm Polarization Beam Combiner/Splitter is a high-performance polarization beam combining/splitting device with 1×2 and 2×2 port configurations, operating at 1310nm, 1480nm, and 1550nm. Low insertion loss (1X2 typical 0.45dB, 2X2 typical 0.55dB), high extinction ratio (1X2 ≥22dB, 2X2 ≥20dB), high return loss (≥50dB), high directivity (≥50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. SM13-PS-U25D or SM15-PS-U25D fiber, max power 500mW, operating temperature -5~+70°C. Widely used in industrial CW fiber lasers, fiber sensing, communication systems, test instruments, and polarization maintaining optical systems.
3×3 Polarization Maintaining Coupler (1310&1550nm)
3×3 Polarization Maintaining Coupler is a high-performance PM fiber coupler manufactured using fused biconical taper technology, operating at dual wavelengths of 1310nm and 1550nm with 3×3 (33:33:33 equal split) port type. Features include low insertion loss, high extinction ratio, high return loss, excellent environmental stability and reliability. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. Widely used in fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems. Grade P excess loss ≤0.8dB, Grade A ≤1.0dB, uniformity ≤0.7dB, extinction ratio ≥18dB (Grade P) / ≥16dB (Grade A), return loss ≥50dB (Grade P) / ≥45dB (Grade A), directivity ≥50dB, max handling power 2W, operating temperature -20~+70°C, storage temperature -50~+85°C, PM panda fiber, package size Φ3.0×70mm or Φ3.0×54mm.
Polarization Maintaining Filter Wavelength Division Multiplexer (T1550R1480)
PM Filter Wavelength Division Multiplexer achieves wavelength division multiplexing with 1550nm pass band and 1480nm reflection band. Pass band wavelength range 1550±15nm, insertion loss ≤0.7dB, isolation ≥30dB; reflection band wavelength range 1480±10nm, insertion loss ≤0.5dB, isolation ≥13dB. High extinction ratio (≥20dB), high return loss (≥50dB), low thermal stability (≤0.005dB/°C). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. 1550 Panda fiber or 1310 Panda fiber, max power 500mW, operating temperature -5~+70°C, package size Φ5.5×34/35mm. Widely used in fiber lasers, fiber sensors, communication systems, test instruments, and polarization maintaining optical systems.
PM Filter Coupler 1520~1610nm
PM Filter Coupler with 1×2 and 2×2 ports at 1520~1610nm wide band. 1×2 excess loss ≤0.7dB, 2×2 ≤1.2dB, uniformity ≤0.5dB. High ER (F ≥22dB, B ≥20dB), high return loss (≥50dB). Multiple splitting ratios. Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. Max 500mW, -5~+70°C, Φ5.5×34/35/38mm.
Filter Splitter (980&1064nm)
Filter Splitter provides 1×2 and 2×2 port configurations, operating wavelength covers 980nm and 1064nm bands. 1×2 excess loss ≤0.8dB, 2×2 excess loss ≤1.0dB, uniformity ≤0.6dB (50/50). High return loss (≥50dB). Supports multiple splitting ratios (1/99, 2/98, 5/95, 10/90, 50/50), SMF-28e or PM Panda fiber (tap port), HI1060 fiber (input/output port), max handling power 500mW (splitter), operating temperature -5~+70°C, package size Φ5.5×34/35/38mm. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. Widely used in industrial CW fiber lasers, fiber sensing, communication systems, test instruments, and polarization maintaining optical systems.
PM Filter WDM
PM Filter WDM with 1060nm pass band and 980nm reflection band. Pass band IL ≤0.6dB, isolation ≥25dB; reflection band IL ≤0.3dB, isolation ≥12dB. High ER (≥20dB), high return loss (≥50dB), thermal stability ≤0.005dB/°C. Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. PM980 Panda fiber, max 300mW, -5~+70°C, Φ5.5×34/35/38mm.
Polarization Maintaining Circulator (2X2-1310/1550nm)
PM Circulator achieves unidirectional light transmission Port1→Port2→Port3→Port4 four-port configuration, center wavelength 1310±20nm or 1550±20nm, available in single stage and dual stage configurations. Dual stage typical insertion loss 0.8dB, peak isolation 55dB; single stage typical insertion loss 0.7dB, peak isolation 40dB. High extinction ratio (≥20dB), high return loss (≥55dB), low crosstalk (≥50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. SM13-PS-U25A or SM15-PS-U25A fiber, max power 500mW, operating temperature -5~+70°C, package size Φ5.5×34/35/38mm. Widely used in industrial CW fiber lasers, fiber sensing, communication systems, test instruments, and polarization maintaining optical systems.
Polarization Maintaining Isolator (1310/1550nm)
PM Isolator is a high-performance optical isolation device, operating wavelength covers 1310±15nm, 1550±15nm, and 1480±15nm, available in single/dual stage and P/A grade configurations. Single stage P-grade typical insertion loss 0.4dB, peak isolation 42dB; dual stage P-grade typical insertion loss 0.5dB, peak isolation 58dB. High extinction ratio (B type ≥20dB, F type ≥23dB), high return loss (≥55/50dB). Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. SM13-PS-U25A or SM15-PS-U25A fiber, max input power 500mW, operating temperature -5~+70°C, storage temperature -40~+85°C, package size Φ5.5×L34mm. Widely used in industrial CW fiber lasers, fiber sensing, communication systems, test instruments, and polarization maintaining optical systems.
PM Filter WDM 2X2
PM Filter WDM 2×2 ports, T1060/R980, T1550/R980, T1480/R1550. Pass band IL 0.6~0.7dB, isolation ≥25dB; reflection band IL ≤0.4dB, isolation ≥12dB. High ER (≥20dB), high return loss (≥50dB), thermal stability ≤0.005dB/°C. Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. PM980/PM1550 Panda fiber, max 300mW, -5~+70°C, Φ5.5×34/35/38mm.
PM Isolator WDM
PM Isolator WDM at 1064±5nm signal, 980±20nm pump. Single stage IL ≤2.6dB, isolation ≥30dB; dual stage IL ≤4.0dB, isolation ≥42dB. Reflection band IL ≤0.6dB. High ER (≥22dB), high directivity (≥55dB), high return loss (≥50dB), thermal stability ≤0.005dB/°C. Telcordia GR-1209-CORE and GR-1221-CORE, RoHS certified. 1550/980 Panda fiber, max 500mW, -5~+70°C, Φ5.5×34/35/38mm.
Polarization Maintaining Tap Isolator WDM (2X2-1550nm/980nm/1490nm)
PM Tap Isolator WDM integrates isolator, tap coupling, and wavelength division multiplexing functions with 2×2 port configuration, available in single stage and dual stage modes. Signal wavelength range 1550±20nm, pass band insertion loss 1.1~4.3dB (depending on tap ratio), isolation ≥30dB (single stage) / ≥48dB (dual stage). Pump wavelength range 980±20nm and 1480±20nm, reflection band insertion loss ≤0.6dB. Supports multiple tap ratios (1/99, 2/98, 5/95, 10/90, 50/50), extinction ratio ≥22dB (B type) / ≥20dB (F type), return loss ≥50dB, thermal stability ≤0.005dB/°C. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards, RoHS certified. 1550 Panda fiber (input/output ports) and SM-28e fiber (tap port), max power 500mW, operating temperature -5~+70°C, package size Φ5.5×34/35/38mm. Widely used in industrial CW fiber lasers, fiber sensing, communication systems, test instruments, and polarization maintaining optical systems.
PM Splitter 1x2 940nm 10W
The 940nm PM splitter is manufactured with fused biconical taper process, featuring 1x2 configuration, 10W CW power handling, high extinction ratio and low insertion loss, suitable for optical power splitting in polarization-sensitive fiber systems.
PM Splitter 1x3 940nm 10W
The 940nm PM splitter is manufactured with fused biconical taper process, featuring 1x3 configuration, 10W CW power handling, high extinction ratio and low insertion loss, suitable for splitting optical power into three channels in polarization-sensitive fiber systems.