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Polarization Maintaining Variable Optical Attenuator PM VOA Manually Adjustable

Name: Polarization Maintaining Variable Optical Attenuator PM VOA Manually Adjustable
Brand: Gracyfiber
Price: 1 USD

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Brand Name :	Gracyfiber
Certification :	ISO9001 , ROHS
Payment Terms :	L/C, T/T
Delivery Time :	5-8 work days
Supply Ability :	100,000 pieces per month

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Polarization Maintaining Variable Optical Attenuator PM VOA Manually Adjustable

High-Precision Polarization-Maintaining Variable Optical Attenuator (PM VOA - Manually Adjustable)

1. Product Overview

GRACYFIBER's polarization-maintaining variable optical attenuator (PM VOA) is a single-channel (1CH) high-precision passive optical device designed to ensure absolute stability of the optical polarization state while achieving continuous adjustment of optical power over a wide range of 0 to 60 dB.

2. Product Features

Parameter	Unit		Value
Channel Configuration	-		1CH
Center Wavelength	nm		1310/1480/1550	980/1064	780/850
Operating Bandwidth	nm		±40	±30	±20
Insertion Loss	Max	dB	0.5	0.6	0.7
Attenuation	Max	dB	60	60	50
Extinction Ratio	Min	dB	20	20	18
Return Loss (Min)	Min	dB	55	55	50
Power Handing (Max)	mW		500
Fiber Type	-		PM Panda Fibe( 780/ 980/1300/1550)
Fiber Coating	µm		250 µm / 900 µm Blue loose tube
Fiber Length	cm		100
Connector	-		FC/APC,FC/UPC,or Customized
Dimensions (HxWxD)	mm		26 ×18 ×8, 18 ×18 ×8
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.

Features: Extremely wide continuous attenuation range and high adjustment precision

Features: Superior Polarization Extinction Ratio (ER) and Precise Slow-Axis Alignment

Features: Ultra-low initial insertion loss and extremely high return loss (RL)

Features: Robust and compact mechanical design with high power handling capability

3. Applications

Laser Power Control & Stabilization
Telecom Receiver Protection
Quantum Optics & QKD Systems
Optical Test & Calibration
Industrial Laser Process Monitoring

4. Part Number Configuration

MVOA	1	2	3	4	5	8	9
	Working Wavelength	Package Dimension	Fiber Type	Jacket Type	Fiber Length	Connector Type	Working Axis
	XX	XX	XXX	XX	XX	X	X
PM MVOA	78= 780nm	53=Ø5.5 × 35	P78=PM780	02=Barefiber	05=0.5m	0=No	B=Dual Axis
	98=980nm	54=Ø5.5 × 38	P98=PM980	06=0.6mm Loose Tube	10=1.0m	1=FC/UPC	S=Slow Axis
	10=1060nm	90=90 × 20× 10	P13=PM1300	09=0.9mm Loose Tube	30=3.0m	2=FC/APC	F=Fast Axis
	13=1310nm	PS=100 ×80× 10	P15=PM1550	20=2.0mm PVC Tube	XX= Customized	3=SC/UPC	X= Customized
	15=1550nm	XX= Customized	XXX= Customized	30=2.0mm PVC Tube		4=SC/APC
	XX= Customized			XX= Customized		5=LC/UPC
						6=LC/APC
						X= Customized

Example Part Number

PM MVOA-1354P130910-2S

PM MVOA,Work Wavlelength 1310nm,Steel Housing Ø5.5 × 38, Fiber is PM1300nm,
Fiber length 1 m with 0.9mm Blue Losse Tube ,FC/APC Connector, slow axis aligned to key.

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