| Brand Name: | Gracyfiber |
| MOQ: | 1pieces |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 100,000 pieces per month |
High-Precision Polarization-Maintaining Variable Optical Attenuator (PM VOA - Manually Adjustable)
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
| 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.