1064nm 2x2 High Power PM Filter Coupler

Overview

The FT-1064-69 is a 2x2 polarization-maintaining filter coupler for 1064 nm operation, engineered for power levels up to 20 W. It combines power combining and spectral filtering in one fused device, splitting or merging light across its two input and two output ports while suppressing unwanted wavelength content. The polarization-maintaining design works with both axes, preserving the polarization state through the coupling region so downstream isolators and amplifiers keep their specified performance. High-power handling makes it suitable for pump combining in fiber lasers and other 1064 nm systems where low loss and stable coupling ratios matter. Coupling ratio, excess loss, uniformity, return loss and tensile rating follow the specification table published with this product.

Key Features

• 2x2 polarization-maintaining filter coupler at 1064 nm center wavelength
• High-power design rated up to 20 W optical power
• Combines power splitting or combining with spectral filtering in one device
• Both-axis polarization-maintaining operation keeps downstream components in spec
• Suitable for pump combining and power distribution in high-power fiber lasers

Applications

• High-power fiber laser systems
• Pump laser combining
• Fiber amplifier stages

Specifications

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