1064nm Polarization Maintaining In-Line Manual Variable Optical Attenuator
P/N: FIR-1064-PM-IL-M-VOA|SKU: 10039
Unit Price
MOQ: 1 pcs
Production time varies based on product type, quantity, and customization level.
Below is a general estimate for most orders. For exact delivery time, please contact [email protected].
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1064nm Polarization Maintaining In-Line Manual Variable Optical Attenuator
The 1064nm Polarization Maintaining In-Line Manual Variable Optical Attenuator provides adjustable optical attenuation at 1064nm while maintaining polarization state using a screw-driven mechanism for continuous and repeatable control. It is built with PM980 polarization maintaining fiber and features a maximum insertion loss of ≤0.5 dB, an attenuation range of 0.5–60 dB, and a minimum return loss of ≥50 dB for stable signal performance. The extinction ratio is ≥20 dB. The all-fiber in-line design requires no external power, allowing direct integration into polarization-sensitive fiber optic systems. The slow axis is aligned to the key by default, with fast axis or both axis options available. It supports a maximum continuous optical power of 500 mW and is suitable for laboratory testing, optical measurement, and polarization-sensitive applications.
Specifications
Parameter | Unit | Value |
|---|---|---|
Center Wavelength | nm | 1064 |
Operating Wavelength Range | nm | ±50 |
Insertion Loss (Max.) | dB | 0.5 |
Attenuation Range | dB | 0.5 - 60 |
Extinction Ratio (Min.) | dB | 20 |
Return Loss (Min.) | dB | 50 |
Max Optical Power (CW) | mW | 500 |
Fiber Type | - | PM980 |
Working Axis | - | Slow Axis (Default) or Fast Axis or Both Axis |
Tensile Load (Max.) | N | 5 |
Package Dimensions | mm | 26 x 18 x 8 |
Operating Temperature | °C | -5 to +70 |
Storage Temperature | °C | -40 to +85 |
Notes: Tested at 25 °C. Data exclude connectors. Adding connectors will increase insertion loss by approximately 0.3 dB, reduce return loss by 5 dB, and decrease extinction ratio by 2 dB. The fiber slow axis is aligned to the key by default. For Fast Axis or Both Axis options, please contact [email protected] for pricing.
Dimensions
FAQ
- Q: Why is polarization maintaining important for 1064 nm laser systems?
- A: In 1064 nm laser systems, many applications rely on a well-defined polarization state to achieve optimal performance. Using a polarization maintaining VOA helps preserve the polarization alignment, preventing fluctuations that could affect interference, modulation efficiency, or measurement accuracy.
- Q: Can the 1064nm PM VOA be customized for different fiber types or configurations?
- A: Yes, the 1064nm PM VOA can be customized based on application requirements. It typically uses PM980 or equivalent fiber and supports different axis alignments, including slow axis (default), fast axis, or both axes. Various connector types such as FC/APC, FC/UPC, or bare fiber are also available upon request.
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