JPT Lark-355-5A & 5ASE Air-Cooled UV Laser Source for Precision Marking

Product overview Overview JPT LARK-355-5A & Lark-355-5ASE Air-Cooled UV Laser Sources The JPT LARK-355-5A and Lark-355-5ASE are 5 W-class, air-cooled UV laser sources designed for precision marking and industrial micromachining. Both models operate at 355 nm and deliver more than 5 W of average output power at 50 kHz, with short pulse duration, high beam quality and low thermal impact on sensitive materials. The LARK-355-5A is the earlier model, while the Lark-355-5ASE is the newer-generation option. They support the same core marking functions and comparable processing results, but use different internal component configurations. The 5ASE also features a newer, compact air-cooled platform for straightforward OEM and marking-system integration. Best For Fine marking on plastics, glass, ceramics and electronic components. Precision processing of semiconductors and heat-sensitive materials. High-quality drilling, cutting, scribing and micro-pattern processing. OEM marking systems requiring a compact UV source without a water chiller. Key Features 355 nm UV Wavelength: Creates a small focused spot with a limited heat-affected zone. More Than 5 W Output: Rated above 5 W at 50 kHz for precision industrial processing. Air-Cooled Operation: No external water-circulation cooling system is required. New and Legacy Options: Select the newer 5ASE platform or the established 5A model. Comparable Processing Capability: Both models are intended for the same core functions and process results, with different internal components. High Beam Quality: M² ≤ 1.2 with greater than 90% beam circularity. Flexible Integration: 12 V DC input, GUI monitoring, and internal or external control modes. Model Comparison Specification LARK-355-5A Lark-355-5ASE Product Generation Earlier model Newer model Cooling Method Air-cooled Air-cooled Wavelength 355 nm 355 nm Average Output Power >5 W at 50 kHz >5 W at 50 kHz Pulse Duration <20 ns at 50 kHz <20 ns at 50 kHz Recommended Frequency Range 20-150 kHz recommended for operation* 20-150 kHz Beam Quality M² ≤ 1.2 M² ≤ 1.2 Beam Circularity >90% >90% Beam Diameter 0.50 ± 0.15 mm 0.50 ± 0.15 mm Average Power Stability RMS ≤5% over 24 hours RMS ≤5% over 24 hours Pulse-to-Pulse Stability RMS ≤3% at 50 kHz RMS ≤3% Average Power Consumption <200 W <200 W Laser Dimensions 307.5 × 144.6 × 121.2 mm 313.5 × 144.6 × 126.7 mm Net Weight Approx. 6.5 kg Approx. 5.6 kg *The LARK-355-5A technical table lists 20-200 kHz, while its operating guidance recommends 20-150 kHz. Confirm the required frequency with the supplier for your application. Shared Specifications Laser Type Air-cooled UV solid-state laser source Spatial Mode TEM00 Beam Full Divergence Angle <2 mrad before beam expansion Polarization Ratio >100:1 Polarization Orientation Horizontal Operating Environment 0-40°C; relative humidity <80% Storage Environment -15-50°C; relative humidity <90% Power Requirement 12 V DC; supply current >17 A Control GUI-supported internal and external control modes Choosing Between 5A and 5ASE Choose Lark-355-5ASE for the newer-generation platform and lower net weight. Choose LARK-355-5A when an existing machine design or replacement requirement specifies the earlier model. Both models are designed for comparable core functions and process results; internal components and physical dimensions differ. Downloads Lark-355-5A & 5ASE Air-Cooled UV Solid-State Laser User Manuals Safety & Integration Notes These are Class 4 laser products and must be integrated and operated by trained personnel in a controlled laser work area. Wear laser safety eyewear suitable for 355-1064 nm and prevent exposure to direct, reflected or scattered radiation. Confirm the model, power supply, grounding, signal connections and cooling airflow before installation. Do not disassemble the laser. Maintenance and servicing should be performed by authorized technical personnel. Warranty 18-month warranty: Both JPT UV laser source models listed on this page include an 18-month warranty. FAQ What is the difference between LARK-355-5A and Lark-355-5ASE? The 5A is the earlier model and the 5ASE is the newer model. They are designed for the same core functions and comparable processing results, but their internal component configurations, dimensions and weights differ. Is the Lark-355-5ASE air-cooled? Yes. The Lark-355-5ASE uses integrated air cooling and does not require an external water chiller. Which model should I choose? Choose the 5ASE for the newer platform. Choose the 5A when matching an existing installation or replacement specification. Sample testing is recommended before final selection.