PM VOA is a useful tool for the optical components and systems test. The PM Manual Variable Optical Attenuator is designed and manufactured to reduce the output optical power, get the power suitable. It is with low insertion loss, high extinction ration, high return loss and low Adjustment Precision, The PM Attenuator is widely applied at fiber laser system.

Features Applications
·        Wide attenuation range

·        High precision

·        Low original loss

·        Compact size

 ·        Fiber communication on system test

·        Optical passive component test

·        Fiber laser

·        Fiber amplifier

·        Optics lab use

Performance Specifications

Parameter   value
Grade – P A P A
Center Wavelength nm 980 ,1030, 1064 1310 ,1480, 1550
Operating Wavelength Range nm 980±20 or 1060±30
Max. Original loss dB 0.6 1.0 0.5 0.8
Attenuation range dB 0.6 ~ 60 1.0 ~ 40 0.5 ~ 60 0.8 ~ 40
Min. Return loss dB 50
Adjustment Precision dB 0.02
Min. Extinction ratio dB 20
Max. Power Handling mW 500
Max. Tensile Load N 5
Fiber type – PM Panda fiber
Operating temperature ℃ 0 ~ +70
Operating temperature ℃ -40 ~ +85
Dimensions mm 26×18×8
  1. Above specifications are for device without connector, and the PM VOA device is both axis working. All parameters are tested at room temperature.
  2. For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower. Power transmits through the connector less than 2W.The default connector key is aligned to slow axis.
  3. If there is pulse application, please be sure to inform us of pulse energy and peak power.

Package Dimensions

Order information P/N: PMVOA-①-②-③-④-⑤-⑥

When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better.

① ② ③ ④ ⑤ ⑥
wavelength Grade Fiber Type Pigtails Diameter Fiber Length Connector
98:980nm

64:1064nm

30:1030nm

13:1310nm

15:1550nm

XX: Others

 P:P Grade

A:A Grade

 1: Panda fiber

X:Others

 90:900μm

20:2.0mm

30:3.0mm

XX: Others

 08:0.8m

10:1.0m

XX: Others

 00:None

FP: FC/PC

FA: FC/APC

SA: SC/APC

LA: LC/APC

XX: Others

Part Number Example #1: PMVOA-98-P-1-90-10-FA

Description: 980nm Polarization Maintaining Mechanical Variable Optical Attenuator, P grade, 1.0m PM Panda Fiber with 0.9mm OD loose tube, and FC/APC connectors at all ports.

Part Number Example #2: PMVOA-64-P-1-90-10-FA

Description: 1064nm Polarization Maintaining Mechanical Variable Optical Attenuator, P grade, 1.0m PM Panda Fiber with 0.9mm OD loose tube, and FC/APC connectors at all ports.

Ordering Information for Custom Parts

If you need to customize other specifications, please provide detailed description for your requirement.

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