The 1064nm telecentric scan lens is a high-precision scanning and focusing optical component specifically designed for infrared fiber lasers and YAG lasers, playing a critical role in laser material processing applications. Featuring a unique telecentric optical design, the lens ensures that the exit pupil is positioned at infinity in image space, guaranteeing that the chief ray of the focused beam remains perpendicular to the focal plane at any field angle. This characteristic significantly improves the roundness, uniformity, and perpendicularity of the focused spot across the entire scanning field, making it the preferred solution for precision marking, drilling, and cutting applications.

Key Advantages

This lens series is optimized for the 1064nm wavelength, offering both fused silica and optical glass material options. High-quality anti-reflection coatings achieve transmission rates exceeding 95%, while providing excellent thermal stability and high laser damage thresholds, effectively minimizing thermal lensing effects and focal shift - particularly suitable for high-power and ultrafast laser applications.

The product range covers multiple specifications from short to long focal lengths, with focal lengths ranging from 32mm to 420mm and scan fields up to 190mm×190mm or larger. The standard mounting interface is typically M85×1 thread, with larger models featuring M95×1, M102×1, or M112×1 threads for seamless integration with mainstream galvo scanning systems. Additionally, select models offer optional water-cooling structures to meet high-power continuous processing demands.

Typical Applications

1064nm telecentric scan lenses are widely used in metal processing and consumer electronics manufacturing. Typical applications include: high-precision laser marking of metals such as stainless steel, aluminum alloy, and titanium alloy; precision cutting and drilling of PCB/FPC flexible circuits; critical manufacturing processes in the new energy sector including power battery tab welding and explosion-proof valve welding; as well as precision engraving and marking of 3C electronic product housings, keypads, and nameplates. The infrared wavelength offers excellent absorption rates for most metallic materials, delivering superior processing efficiency and quality.

Technical Specifications

The telecentric design effectively controls focus spot distortion at the edges of the scan field, delivering exceptional focal plane consistency with telecentric error controlled within 2°-4°. Combined with high-quality optical glass or fused silica substrates, the lens ensures optimal processing quality and consistency in high-power laser applications.