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Polarization Maintaining Components
Created with Pixso. PM Filter WDM Polarization Maintaining WDM Filter with Ultra Low Insertion Loss High Polarization Extinction Ratio and Multiple Wavelength Combinations

PM Filter WDM Polarization Maintaining WDM Filter with Ultra Low Insertion Loss High Polarization Extinction Ratio and Multiple Wavelength Combinations

Brand Name: GEZHI or OEM
Model Number: PMFWDM-XXXX-XX-XX-X-XX-XX-XX-XX-XX
MOQ: 1pc
Price: US$188-US$688
Delivery Time: 2-3weeks
Payment Terms: T/T,Western Union
Detail Information
Place of Origin:
China
Certification:
CE RoHS,ISO9001
Document:
Insertion Loss:
≤0.8 DB (Pass Port), ≤0.5 DB (Reflect Port)
Isolation:
≥25~30 DB (Pass), ≥12~15 DB (Reflect)
Extinction Ratio:
≥18~20 DB
Return Loss:
≥50 DB
Max Power Handling:
0.5 / 1 / 5 W; >10W With Heat Sink
Operating Temperature:
-5 ~ +75 ℃
Packaging Details:
Paper box
Supply Ability:
2000pcs per month
Product Description

1. Product Overview


Product Name

Polarization Maintaining Filter WDM / PM Filter WDM

Manufacturer

Gezhi Photonics Co.,Ltd

Our PM Filter WDM is a professional polarization-maintaining wavelength division multiplexer, designed to separate/combine two different wavelength optical signals in polarization-maintaining fiber circuits. We support multiple mainstream wavelength combinations for fiber laser, optical communication, CATV and passive optical network systems. Standard package Φ5.5×35mm, customizable fiber pigtail, connector and high-power heat sink housing.

Available Wavelength Combinations

  • 980/1030nm
  • 980/1064nm
  • 980/1550nm
  • 1064/1550nm
  • 1310/1550nm
  • 1480/1550nm
  • 2000/1550nm

2. Core Product Features


✅ Ultra Low Insertion Loss
✅ High Return Loss ≥50dB
✅ High Polarization Extinction Ratio
✅ Stable Wavelength & Loss Under Temperature Variation
✅ Multiple CW power options: 0.5W / 1W / 5W (10W+ heat sink package available)
✅ Compact Φ5.5×35mm metal package
✅ Custom PM fiber, single-mode fiber, pigtail length & connectors
✅ Wide operating temperature range -5℃ ~ +75℃

3. Main Applications

  • CATV Fiber Optical Transmission System
  • WDM Optical Multiplexing & Demultiplexing System
  • EPON / GPON Passive Optical Network
  • Fiber Laser Pump Combiner & Signal Separation
  • Polarization Maintaining Fiber Test Equipment
  • 2μm Mid-infrared Optical Communication (2000/1550nm model)

4. Complete Technical Specifications


Standard Parameter Table

Parameter Unit Standard Performance
Pass Port Insertion Loss dB ≤0.8
Reflect Port Insertion Loss dB ≤0.5 (2000/1550: ≤0.8)
Pass Isolation @Reflect Wavelength dB ≥25~30
Reflect Isolation @Pass Wavelength dB ≥12~15
Extinction Ratio dB ≥18~20
Return Loss dB ≥50
Wavelength Thermal Stability nm/℃ ≤0.003
Insertion Loss Thermal Stability dB/℃ ≤0.005
CW Max Power Handling W 0.5 / 1 / 5; >10W with heat sink package
Tensile Load N ≤5
Operating Temperature -5 ~ +75
Storage Temperature -40 ~ +85
Standard Package Size mm Φ5.5 × 35


Wavelength Band Matching Table

Model Code Pass Band (nm) Reflect Band (nm)
T1064/R980 1020~1080 960~990
T1550/R980 1520~1580 960~990
T1550/R1064 1520~1580 1020~1080
T1550/R1310 1530~1600 1270~1350
T1550/R1480 1535~1580 1470~1490
T2000/R1550 1950~2050 1530~1570


Important Notes

  • The above specs apply to bare fiber devices. Equipped with connectors: Insertion Loss +0.3dB, Return Loss -5dB, Extinction Ratio -2dB.
  • For high power above 10W, heat sink packaging is mandatory.
  • Pulse signal application: Please provide pulse energy and peak power for customized design.

5. Ordering Code Explanation


Order Format: PMFWDM-XXXX-XX-XX-X-XX-XX-XX-XX-XX

Code Position Definition Optional Options
① Wavelength Combination Dual wavelength pair 0698=T1064/R980; 5598=T1550/R980; 5564=T1550/R1064; 5531=T1550/R1310; S=Custom Specify
② Working Polarization Axis Polarization axis design B=Both axes working; F=Slow Axis only, Fast Axis blocked
③ Com & Pass Port Fiber PM fiber type PM980 / PM1550 / PM1060 / PM1950 / S=Custom
④ Reflect Port Fiber Fiber type PM980 / PM1550 / PM1060 / PM1950 / SMF-28E / S=Custom
⑤ Power Rating Max CW power 0L=0.5W; 01=1W; 02=2W; higher power customizable
⑥ Package Size Housing dimension S1=Φ5.5×35mm; S=Custom size
⑦ Pigtail Type Fiber protection 00=Bare fiber; 09=900μm loose tube
⑧ Fiber Length Pigtail length 08=0.8m; 10=1m; S=Custom length
⑨ Connector Type End connector FA=FC/APC; FP=FC/UPC; SA=SC/APC; SP=SC/UPC; S=Custom connector


Custom Service Support

  • Custom wavelength combinations beyond standard series
  • Custom PM fiber / single-mode fiber matching
  • Custom fiber length, loose tube, cable structure
  • All fiber optic connectors (FC, SC, LC, ST etc.)
  • High-power heat sink packaging for 10W+ laser
  • Special design for pulse laser application

6.  Dimensions

PM Filter WDM Polarization Maintaining WDM Filter with Ultra Low Insertion Loss High Polarization Extinction Ratio and Multiple Wavelength Combinations 0


7. Why Choose Gezhi Photonics PM Filter WDM?

  • Professional manufacturer focusing on PM fiber passive components for over years
  • Strict optical performance testing to guarantee low loss & high isolation
  • Stable thermal performance for long-term outdoor & industrial use
  • Flexible customization for fiber laser, telecom & CATV projects
  • Competitive factory direct wholesale price for bulk orders
  • Fast lead time & reliable after-sales technical support
  • Complete technical datasheet & test report provided for each batch

8. FAQ


Q1: What’s the difference between PM Filter WDM and ordinary WDM?

A: PM Filter WDM uses polarization-maintaining fiber, which can maintain linear polarization state of light, suitable for fiber laser, polarization-sensitive optical systems; ordinary WDM only uses single-mode fiber without polarization retention function.

Q2: Can you support high power above 10W?

A: Yes. We design heat sink packaging for high-power applications over 10W CW. Please inform us of working power when inquiry.

Q3: Do you offer customized wavelength models?

A: Yes. If our standard wavelength combinations cannot meet your demand, we can develop custom wavelength PM Filter WDM according to your requirements.

Q4: What’s the loss increase when adding fiber connectors?

A: Devices with connectors will add 0.3dB insertion loss, reduce return loss by 5dB and drop extinction ratio by 2dB compared to bare fiber versions.

9.Our Service

Custom design, bulk wholesale, sample order, technical support

Good price online

Products Details

Created with Pixso. Home Created with Pixso. Products Created with Pixso.
Polarization Maintaining Components
Created with Pixso. PM Filter WDM Polarization Maintaining WDM Filter with Ultra Low Insertion Loss High Polarization Extinction Ratio and Multiple Wavelength Combinations

PM Filter WDM Polarization Maintaining WDM Filter with Ultra Low Insertion Loss High Polarization Extinction Ratio and Multiple Wavelength Combinations

Brand Name: GEZHI or OEM
Model Number: PMFWDM-XXXX-XX-XX-X-XX-XX-XX-XX-XX
MOQ: 1pc
Price: US$188-US$688
Packaging Details: Paper box
Payment Terms: T/T,Western Union
Detail Information
Place of Origin:
China
Brand Name:
GEZHI or OEM
Certification:
CE RoHS,ISO9001
Model Number:
PMFWDM-XXXX-XX-XX-X-XX-XX-XX-XX-XX
Document:
Insertion Loss:
≤0.8 DB (Pass Port), ≤0.5 DB (Reflect Port)
Isolation:
≥25~30 DB (Pass), ≥12~15 DB (Reflect)
Extinction Ratio:
≥18~20 DB
Return Loss:
≥50 DB
Max Power Handling:
0.5 / 1 / 5 W; >10W With Heat Sink
Operating Temperature:
-5 ~ +75 ℃
Minimum Order Quantity:
1pc
Price:
US$188-US$688
Packaging Details:
Paper box
Delivery Time:
2-3weeks
Payment Terms:
T/T,Western Union
Supply Ability:
2000pcs per month
Product Description

1. Product Overview


Product Name

Polarization Maintaining Filter WDM / PM Filter WDM

Manufacturer

Gezhi Photonics Co.,Ltd

Our PM Filter WDM is a professional polarization-maintaining wavelength division multiplexer, designed to separate/combine two different wavelength optical signals in polarization-maintaining fiber circuits. We support multiple mainstream wavelength combinations for fiber laser, optical communication, CATV and passive optical network systems. Standard package Φ5.5×35mm, customizable fiber pigtail, connector and high-power heat sink housing.

Available Wavelength Combinations

  • 980/1030nm
  • 980/1064nm
  • 980/1550nm
  • 1064/1550nm
  • 1310/1550nm
  • 1480/1550nm
  • 2000/1550nm

2. Core Product Features


✅ Ultra Low Insertion Loss
✅ High Return Loss ≥50dB
✅ High Polarization Extinction Ratio
✅ Stable Wavelength & Loss Under Temperature Variation
✅ Multiple CW power options: 0.5W / 1W / 5W (10W+ heat sink package available)
✅ Compact Φ5.5×35mm metal package
✅ Custom PM fiber, single-mode fiber, pigtail length & connectors
✅ Wide operating temperature range -5℃ ~ +75℃

3. Main Applications

  • CATV Fiber Optical Transmission System
  • WDM Optical Multiplexing & Demultiplexing System
  • EPON / GPON Passive Optical Network
  • Fiber Laser Pump Combiner & Signal Separation
  • Polarization Maintaining Fiber Test Equipment
  • 2μm Mid-infrared Optical Communication (2000/1550nm model)

4. Complete Technical Specifications


Standard Parameter Table

Parameter Unit Standard Performance
Pass Port Insertion Loss dB ≤0.8
Reflect Port Insertion Loss dB ≤0.5 (2000/1550: ≤0.8)
Pass Isolation @Reflect Wavelength dB ≥25~30
Reflect Isolation @Pass Wavelength dB ≥12~15
Extinction Ratio dB ≥18~20
Return Loss dB ≥50
Wavelength Thermal Stability nm/℃ ≤0.003
Insertion Loss Thermal Stability dB/℃ ≤0.005
CW Max Power Handling W 0.5 / 1 / 5; >10W with heat sink package
Tensile Load N ≤5
Operating Temperature -5 ~ +75
Storage Temperature -40 ~ +85
Standard Package Size mm Φ5.5 × 35


Wavelength Band Matching Table

Model Code Pass Band (nm) Reflect Band (nm)
T1064/R980 1020~1080 960~990
T1550/R980 1520~1580 960~990
T1550/R1064 1520~1580 1020~1080
T1550/R1310 1530~1600 1270~1350
T1550/R1480 1535~1580 1470~1490
T2000/R1550 1950~2050 1530~1570


Important Notes

  • The above specs apply to bare fiber devices. Equipped with connectors: Insertion Loss +0.3dB, Return Loss -5dB, Extinction Ratio -2dB.
  • For high power above 10W, heat sink packaging is mandatory.
  • Pulse signal application: Please provide pulse energy and peak power for customized design.

5. Ordering Code Explanation


Order Format: PMFWDM-XXXX-XX-XX-X-XX-XX-XX-XX-XX

Code Position Definition Optional Options
① Wavelength Combination Dual wavelength pair 0698=T1064/R980; 5598=T1550/R980; 5564=T1550/R1064; 5531=T1550/R1310; S=Custom Specify
② Working Polarization Axis Polarization axis design B=Both axes working; F=Slow Axis only, Fast Axis blocked
③ Com & Pass Port Fiber PM fiber type PM980 / PM1550 / PM1060 / PM1950 / S=Custom
④ Reflect Port Fiber Fiber type PM980 / PM1550 / PM1060 / PM1950 / SMF-28E / S=Custom
⑤ Power Rating Max CW power 0L=0.5W; 01=1W; 02=2W; higher power customizable
⑥ Package Size Housing dimension S1=Φ5.5×35mm; S=Custom size
⑦ Pigtail Type Fiber protection 00=Bare fiber; 09=900μm loose tube
⑧ Fiber Length Pigtail length 08=0.8m; 10=1m; S=Custom length
⑨ Connector Type End connector FA=FC/APC; FP=FC/UPC; SA=SC/APC; SP=SC/UPC; S=Custom connector


Custom Service Support

  • Custom wavelength combinations beyond standard series
  • Custom PM fiber / single-mode fiber matching
  • Custom fiber length, loose tube, cable structure
  • All fiber optic connectors (FC, SC, LC, ST etc.)
  • High-power heat sink packaging for 10W+ laser
  • Special design for pulse laser application

6.  Dimensions

PM Filter WDM Polarization Maintaining WDM Filter with Ultra Low Insertion Loss High Polarization Extinction Ratio and Multiple Wavelength Combinations 0


7. Why Choose Gezhi Photonics PM Filter WDM?

  • Professional manufacturer focusing on PM fiber passive components for over years
  • Strict optical performance testing to guarantee low loss & high isolation
  • Stable thermal performance for long-term outdoor & industrial use
  • Flexible customization for fiber laser, telecom & CATV projects
  • Competitive factory direct wholesale price for bulk orders
  • Fast lead time & reliable after-sales technical support
  • Complete technical datasheet & test report provided for each batch

8. FAQ


Q1: What’s the difference between PM Filter WDM and ordinary WDM?

A: PM Filter WDM uses polarization-maintaining fiber, which can maintain linear polarization state of light, suitable for fiber laser, polarization-sensitive optical systems; ordinary WDM only uses single-mode fiber without polarization retention function.

Q2: Can you support high power above 10W?

A: Yes. We design heat sink packaging for high-power applications over 10W CW. Please inform us of working power when inquiry.

Q3: Do you offer customized wavelength models?

A: Yes. If our standard wavelength combinations cannot meet your demand, we can develop custom wavelength PM Filter WDM according to your requirements.

Q4: What’s the loss increase when adding fiber connectors?

A: Devices with connectors will add 0.3dB insertion loss, reduce return loss by 5dB and drop extinction ratio by 2dB compared to bare fiber versions.

9.Our Service

Custom design, bulk wholesale, sample order, technical support

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