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High Extinction Ratio Polarization Maintaining Fiber Polarizer , PM Fiber Polarizer 1310nm 1550nm

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High Extinction Ratio Polarization Maintaining Fiber Polarizer , PM Fiber Polarizer 1310nm 1550nm

Name: High Extinction Ratio Polarization Maintaining Fiber Polarizer PM Fiber Polarizer 1310nm 1550nm
Brand: Gracyfiber
Price: 1 USD

Place of Origin : Guangdong , China

Brand Name : Gracyfiber

Certification : ISO9001 , ROHS

MOQ : 100pcs

Name : Fiber Polarizer

Coating diameter : 245 µm

Polarization mode dispersion : ≤ 0.5 ps/km

Beat length : 3.5 mm

Numerical aperture : 0.12

Cladding diameter : 125 µm

Core diameter : 3.0 µm

Payment Terms : L/C, T/T

Delivery Time : 5-8 work days

Supply Ability : 100,000 pieces per month

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High Extinction Ratio Polarization-Maintaining Fiber Polarizer (PM Fiber Polarizer)

1. Product Overview

GRACYFIBER's In-Line PM Polarizer is a high-performance optical filter designed to extract and transmit extremely precise linearly polarized light from input light of arbitrary polarization states. Covering an ultra-wide operating spectrum from 780 nm to 1950 nm, this device perfectly combines ultra-low insertion loss (as low as 0.3 dB) with exceptional polarization purity (typical extinction ratio up to 30 dB). Manufactured using precisely aligned polarization-maintaining fiber and available in compact miniature steel tubes or robust modular packages, it can withstand continuous optical power up to 5 W. It is an indispensable core polarization management component for quantum optics, coherent telecommunications transmission, and high-end industrial sensing systems that demand extreme signal fidelity and long-term stability.

2. Product Features

Parameter		Unit		Value
Port Type		-		1X1
Operating Wavelength		nm		780	850	980	1064	1310	1480	1550	1950
Operating Bandwidth		nm		±30	±30	±30	±30	±50	±30	±50	±30
Typ.Insertion Loss		dB		0.6		0.4		0.3			0.9
Max.Insertion Loss		dB		1.0		0.6		0.5			1.1
Typ. Extinction Ratio		dB		28		30		30			22
Max. Extinction Ratio		dB		25		28		28			20
Return Loss		Min	dB	50
Power Handing		Max	W	0.3, 1, 3, 5
Fiber Type	Input	-		780-HP/ PM780-HP		HI 1060 / PM980		SMF-28e /PM1300 /PM1550			SM 1950
Fiber Type	Output	-		PM780-HP		PM980		PM1300	PM1550	PM1550	PM1950
Fiber Coating		mm		0.25 / 0.9/2.0/3.0mm Red/Black loose tube
Fiber Length		cm		100
Connector		-		FC/APC,FC/UPC,or Customized
Dimensions (HxWxD)	250μm Bare Fiber	mm		φ5.5*35
	900μm Loose Tube	mm		φ5.5*38
	2mm/3mm Tube	mm		902010,1008010
Operating Temperature		°C		-5~65
Storage Temperature		°C		-40~85

Remark:
* Above specifications are for devices without the connectors.
* For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, and ER will be 2dB lower.
* The PM fiber and the connector key are aligned to the slow axis. fast axis is blocked.

(Developed specifically to address your pain points regarding polarization noise, high power heat loss, and signal fidelity)

Features: Extreme Extinction Ratio and Pure Polarized Output

Pain Points Solved/Value Received: Typical extinction ratios up to 30 dB (minimum 28 dB) in core telecommunications bands (1310/1480/1550 nm) and laser pump bands (980/1064 nm) (Note: ER decreases by 2 dB with connectors). This effectively filters out residual noise in orthogonal polarization directions, providing a fundamental guarantee for eliminating bit errors and measurement errors, especially crucial for quantum key distribution (QKD) systems and high-contrast interferometers that heavily rely on polarization purity.

Features: Ultra-low insertion loss and superior power handling capability (Up to 5W)

Pain points/value addressed: Typical insertion loss of only 0.3 dB in the 1310/1480/1550 nm bands, with power handling options from 0.3W to a maximum of 5W. This completely eliminates the risk of insertion loss spikes or component burnout due to optics heating in erbium-doped fiber amplifiers (EDFAs) and high-power industrial lasers, ensuring robust output from the main optical path.

Features: Slow-axis alignment and fast-axis blocking

Pain points/value addressed: Factory-installed absolute alignment of polarization-maintaining fiber and connector key with the slow axis, while completely blocking the fast axis light. This "plug-and-play" foolproof design greatly reduces the alignment difficulty for optical module packaging manufacturers (OEMs) when assembling coherent optical transceivers, and eliminates polarization crosstalk caused by human assembly.

Features: Ultra-wide wavelength coverage (780~1950 nm) and flexible fiber input/output configuration

Solved Pain Points/Value: Supports a wide range of wavelengths from near-infrared 780 nm to mid-infrared 1950 nm. The input can be flexibly configured with single-mode fiber (e.g., SMF-28e, HI 1060) or polarization-maintaining fiber, while the output comes standard with high-specification polarization-maintaining fiber (e.g., PM1550, PM980). This SM-to-PM or PM-to-PM conversion capability provides ultimate design freedom for complex optical path experiments and system integration.

Features: High return loss (RL ≥ 50 dB) and industrial-grade environmental stability

Solved Pain Points/Value: Minimum return loss of up to 50 dB (Note: RL decreases by 5 dB with connectors), effectively preventing damage to the front-end laser from back-reflected light. It also supports stable operation in environments ranging from -5°C to 65°C, making it perfectly suited for outdoor sensing and industrial measurement tasks under harsh conditions.

3. Applications

Fiber Laser Systems: Ensures single-polarization-state output for high-power continuous-wave or pulsed lasers.
Quantum Optics & Quantum Communication: Provides reference-level pure polarization-state preparation for single-photon sources.
Coherent Communication & Telecom: Core polarization filtering component within 400G/800G coherent transceivers.
Interferometry & Precision Measurement: Improves the signal-to-noise ratio and contrast of fiber optic gyroscopes (FOGs) and strain sensors.
LiDAR & Free-Space Optics: Provides stable, directional linearly polarized beams for ranging and space communication.
Optical Test & Laboratory Platforms: Standardized polarization-state generators within instruments.

4.Part Number Configuration

Polarizer	-	1	2	3	4	5	6	7	8	-	9	10
	-	Working Wavelength	Package Dimension	Input Fiber	Output Fiber	Jacket Type	Input Color	Output Color	Fiber Length	-	Connector Type	Working Axis
	-	XX	XX	XXX	XXX	XX	XX	XX	XX	-	X	X
PMPOL		78= 780nm	53=Ø5.5 * 35	78=780-HP	P78=PM780	02=250um Bare fiber	W0=White	W0=White	01=0.1m		0=No	B=Dual Axis
		98=980nm	54=Ø5.5 * 38	98=Hi 1060	P98=PM980	06=0.6mm Loose Tube	B0=Blue	B0=Blue	05=0.5m		1=FC/UPC	S=Slow Axis
		10=1060nm	90=90 * 20* 10	SM=SMF-28e	P13=PM1300	09=0.9mm Loose Tube	B1=Black	B1=Black	10=1.0m		2=FC/APC	F=Fast Axis
		13=1310nm	PS=100 80 10	P78=PM780	P15=PM1550	20=2.0mm PVC Tube	R0=Red	R0=Red	30=3.0m		3=SC/UPC	X= Customized
		15=1550nm	XX= Customized	P98=PM980	XXX= Customized	30=2.0mm PVC Tube	Y0=Yellow	Y0=Yellow	XX= Customized		4=SC/APC
		XX= Customized		P13=PM1300		XX= Customized	XX= Customized	XX= Customized			5=LC/UPC
				P15=PM1550							6=LC/APC
				XX= Customized							X= Customized

Example Part Number
PMPOL-1354SMP1309W0R010-2S
PM Online Fiber Polarizer,center wavelength 1310 nm,Steel housing Ø5.5 * 38, Input fiber is SMF-28e, Output fiber is PM 1300, Fiber length 1 m with 0.9mm Losse Tube (Color=Input is White,Output is White) ,FC/APC connector, slow axis aligned to key.

Product Tags:

High Extinction Ratio Polarization Maintaining Fiber Polarizer , PM Fiber Polarizer 1310nm 1550nm Images

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