Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
{"title":"2x2 Polarization Maintaining Fused WDM PM Filter Wavelength Division Multiplexer","imgUrl":"https:\/\/img.chinax.com\/nimg\/f6\/8d\/74a2ee34dbd3cfa2b2ccf5c3d737-200x200-1\/2x2_polarization_maintaining_fused_wdm_pm_filter_wavelength_division_multiplexer.jpg","attrs":{"Brand Name":"GEZHI or OEM","Model Number":"PM WDM","Certification":"CE RoHS,ISO9001","Place of Origin":"China"}}
{"title":"PM DWDM Module 4CH 8CH 16CH Optical WDM Equipment With ABS BOX","imgUrl":"https:\/\/img.chinax.com\/nimg\/2e\/20\/89de2575a57f2fc564b7bc92baf5-200x200-1\/pm_dwdm_module_4ch_8ch_16ch_optical_wdm_equipment_with_abs_box.jpg","attrs":{"Brand Name":"GEZHI or OEM","Model Number":"PM DWDM","Certification":"CE RoHS,ISO9001","Place of Origin":"China"}}
{"title":"1310nm\/1550nm High Isolation 2X2 Polarization Maintaining Coupler for Optical","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/b4\/7c0a19b09eed57c16735dd5b5e23-200x200-1\/1310nm_2f1550nm_high_isolation_2x2_polarization_maintaining_coupler_for_optical_networks.jpg","attrs":{"Brand Name":"GEZHI or OEM","Model Number":"2X2 Polarization Maintaining Coupler","Certification":"CE RoHS,ISO9001","Place of Origin":"China"}}
{"title":"Low Insertion Loss 1*3 Polarization Maintaining Fiber Optical Coupler for FTTx","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/0a\/1525a03f7b09cad450387f44a525-200x200-1\/low_insertion_loss_1_2a3_polarization_maintaining_fiber_optical_coupler_for_fttx_solutions.jpg","attrs":{"Brand Name":"GEZHI or OEM","Model Number":"1*3 PM Coupler","Certification":"CE RoHS,ISO9001","Place of Origin":"China"}}
{"title":"High Stability Polarization Maintaining DWDM with High Extinction Ratio and Low","imgUrl":"https:\/\/img.chinax.com\/nimg\/39\/28\/8f05718986874ec070a7ff039dc2-200x200-1\/high_stability_polarization_maintaining_dwdm_with_high_extinction_ratio_and_low_insertion_loss_for_wdm_networks.jpg","attrs":{"Brand Name":"GEZHI or OEM","Model Number":"PM DWDM","Certification":"CE RoHS,ISO9001","Place of Origin":"China"}}
{"title":"2x2 Polarization Maintaining Coupler High Isolation For Power Monitoring","imgUrl":"https:\/\/img.chinax.com\/nimg\/4c\/6c\/83a6c09909082218bac0dcefc464-200x200-1\/2x2_polarization_maintaining_coupler_high_isolation_for_power_monitoring.jpg","attrs":{"Brand Name":"GEZHI or OEM","Model Number":"2x2 SM PM FBT Fiber Optic Splitter","Certification":"CE RoHS,ISO9001","Place of Origin":"China"}}
Our Polarization Maintaining Fused Biconical Taper (PM FBT) WDMs are bidirectional fiber optic components engineered to multiplex and demultiplex two distinct visible laser wavelengths while fully preserving polarization state across both fiber axes. Manufactured via precision fused tapering technology, these devices deliver stable optical performance for visible fiber laser systems, biophotonics microscopy, fiber amplifiers and optical test instrumentation.
This series supports six standard wavelength combinations: 488/532, 488/633, 532/633, 532/780, 633/780, and 633/840 nm. Each model is pre-matched with dedicated PM panda fiber (PM460-HP or PM630-HP) to guarantee high polarization extinction ratio. Both polarization axes remain fully functional during operation; no axis will be blocked under normal working conditions.
Devices are offered bare fiber or terminated with Ø900 µm loose tube packaging, with optional FC/APC, FC/UPC, SC/APC or SC/UPC connectors. All units undergo 100% optical testing before shipment to ensure consistent loss, isolation and polarization performance.
Core Key Features
Ultra-low insertion loss (≤1.0~1.2 dB bare fiber) across full ±5 nm wavelength bandwidth
High port isolation up to 18 dB for long-wavelength visible combinations
High polarization extinction ratio ≥18 dB for reliable PM system alignment
Ultra-high return loss ≥55 dB to suppress back-reflection laser instability
Wide operating temperature range: -40 °C to +85 °C for industrial and laboratory environments
Multiple CW power handling ratings from 0.1 W to 0.3 W for different laser applications
Dual-axis active design, no polarization axis shielding
Two standard metal housing dimensions: Φ3.0×60 mm (bare fiber) / Φ3.0×70 mm (900 µm loose tube)
Customizable pigtail length, fiber type, wavelength pairs and connector terminations
Tensile load tolerance up to 5 N for standard fiber pigtails
RoHS compliant solid metal packaging with excellent mechanical stability
Typical Applications
Visible Wavelength Fiber Lasers & Pump Laser Combination Systems
Fiber Length: 08 = 0.8 m; 10 = 1 m; S = Custom Specify
Connector Type: FA = FC/APC; FP = FC/UPC; SA = SC/APC; SP = SC/UPC; S = Custom Specify
Example Model Number
PMFUWDM-102-633/780-PM630-S4-09-10-FA Meaning: 1×2 WDM, 633/780 nm, PM630-HP fiber, Φ3.0×70 mm housing, 900 µm loose tube, 1 m fiber, FC/APC connectors
Frequently Asked Questions (FAQ)
Q1: Can this PM WDM be used for both multiplexing and demultiplexing?
A: Yes. The component is fully bidirectional. Combine two laser wavelengths at the common port, or split dual-wavelength input into two separate single-wavelength output arms.
Q2: How do connectors affect optical performance?
A: All connectorized versions will introduce minor performance degradation: +0.3 dB insertion loss, -5 dB return loss, and -2 dB extinction ratio compared to bare fiber units. Power handling capacity remains unchanged.
Q3: What is the difference between PM460-HP and PM630-HP fiber?
A: PM460-HP is optimized for shorter visible wavelengths (488 / 532 / 633 nm). PM630-HP is designed for longer visible bands (532/780, 633/780, 633/840 nm) to maintain superior polarization performance at longer wavelengths.
Q4: Can you provide custom wavelength combinations outside the listed standard series?
A: Custom wavelength pairs, high-power upgrades, extended fiber lengths and alternative connector types (LC, ST, MU) are available upon technical inquiry. OEM housing marking services are also supported.
Q5: What is the maximum tensile force allowed on the fiber pigtails?
A: The rated maximum tensile load is 5 N. Excessive pulling will damage the fused taper region and degrade optical performance permanently.
Q6: What temperature range is suitable for long-term operation?
A: -40 °C to +85 °C for continuous operation. Storage temperature matches the operating range; avoid condensation inside the metal package.
Bottom CTA Copy
Request a quotation for laboratory samples or bulk OEM orders. Our technical team can assist with custom wavelength, power and packaging modifications. Reach out via email sales@gezhi.net or WhatsApp for fast support and lead time confirmation.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
10 Million-15 Million
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Gezhi Photonics Co., Ltd is committed to being a global influential organization in optical network devices area.
Gezhi Photonics is a leading worldwide manufacturer and supplier of Fiber Optical Passive Component. Our Mainly item is CWDM/DWDM,AWG Module,Optical Switch with OEM/ODM service .
G... Gezhi Photonics Co., Ltd is committed to being a global influential organization in optical network devices area.
Gezhi Photonics is a leading worldwide manufacturer and supplier of Fiber Optical Passive Component. Our Mainly item is CWDM/DWDM,AWG Module,Optical Switch with OEM/ODM service .
G...
