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Fiber F-theta Lens
Description
F-theta lenses are essential for galvo-based laser systems where accuracy, speed, and uniform energy distribution are critical.
By working with one or two-axis galvanometer mirrors, the fiber F-theta lens achieves fast, high-precision positioning of the laser beam over a large scanning field.
Each lens is manufactured with high-grade optical glass and precision coatings to minimize reflection and distortion, offering clear, sharp, and reliable marking performance.
Available in a range of focal lengths and scan field sizes, the lens provides excellent flexibility for different marking, engraving, or cutting needs.
Features
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High Precision Optics: Delivers uniform focus across large scan fields for consistent marking quality.
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Wide Scan Field Options: Supports 50×50mm up to 300×300mm working areas.
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Low-Loss AR Coating: Enhances transmission efficiency and reduces energy loss.
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Durable Housing: Rugged metal body with M85×1 mounting thread for stable alignment.
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Optimized for 1064nm: Specifically designed for fiber laser applications such as marking, engraving, and drilling.
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Multi-Element Optical Design: Ensures minimal distortion and accurate beam shaping.
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High Transmission Efficiency: Precision optical elements with superior coating technology.
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Long Service Life: Resistant to heat, dust, and mechanical vibration.
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Compatible with Galvo Scanners: Works seamlessly with 1-axis or 2-axis scanning systems.
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Customizable Options: Available in
Parameters
| Part Number | Focal Length (mm) | Back Working (mm) | Scan Field (mm) | Scan Angle (° max) | Entrance Diameter (mm) | Focus Size (μm) | Mirror Distance (mm) | Mounting Thread |
| HY-SL-1064-50-63 | 63 | 78 | 50×50 | ±28° | 12 | 12 | 16/16 | M85×1 |
| HY-SL-1064-70-100 | 100 | 114.6 | 70×70 | ±28° | 12 | 16 | 16/16 | M85×1 |
| HY-SL-1064-90-130 | 130 | 143 | 90×90 | ±28° | 12 | 21 | 16/16 | M85×1 |
| HY-SL-1064-110-160 | 160 | 176 | 110×110 | ±28° | 12 | 26 | 16/16 | M85×1 |
| HY-SL-1064-140-210 | 210 | 230 | 140×140 | ±28° | 12 | 34 | 16/16 | M85×1 |
| HY-SL-1064-150-225 | 225 | 250 | 150×150 | ±28° | 12 | 34 | 16/16 | M85×1 |
| HY-SL-1064-175-254 | 254 | 284 | 175×175 | ±28° | 16 | 31 | 16/16 | M85×1 |
| HY-SL-1064-200-290 | 290 | 324 | 200×200 | ±28° | 16 | 31 | 16/16 | M85×1 |
| HY-SL-1064-220-330 | 330 | 346 | 220×220 | ±28° | 16 | 40 | 16/16 | M85×1 |
| HY-SL-1064-250-380 | 380 | 414 | 250×250 | ±28° | 16 | 46 | 16/16 | M85×1 |
| HY-SL-1064-300-420 | 420 | 467 | 300×300 | ±28° | 16 | 50 | 16/16 | M85×1 |
Applications
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Fiber laser marking and engraving systems
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Laser cutting and drilling machines
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PCB via hole drilling and microfabrication
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3C electronics and semiconductor processing
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Medical device laser marking
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Precision optics and component etching
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Plastic, metal, and glass engraving
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Industrial barcode and QR code marking
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Jewelry and decorative laser processing
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Research and prototyping laboratories
