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    DM Green Series Nanosecond Lasers (Multi-Mode)

    Since 2002, Photonics Industries’ DM Series Nd: YAG green nanosecond lasers have been delivering exceptional performance with high pulse energies (up to 20mJ) or high average powers (up to 200 W) in a compact, rugged design from a single laser resonator. For even greater capability, Dual Head configurations can double these values, offering up to 40mJ of pulse energy or 400 W of power, making them versatile across a wide range of applications. This proprietary single-resonator design meets the demands of both research and industrial applications. From PIV studies to laser thermal processing and annealing, it provides the high energy required in a durable, efficient, and space-saving form factor.

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    Overview

    Photonics Industries’ DM1 Series Nd:YLF and Nd:YAG green nanosecond lasers combine remarkably high pulse energies (up to 100 mJ) or high average powers (up to 200 W) with a simple, rugged, and efficient form factor, all from one fully independent laser resonator. Dual Head configurations can go up to 200 mJ of pulse energy or up to 400 W of power. The proprietary single laser resonator design[1] ideally fulfills the needs of both research and industry, from PIV research, to providing the necessary high energy for laser thermal processing or annealing applications in an industrial, compact form factor.
    [1] US Patents #7,346,092 Diode side pumped high pulse energy Nd:YLF lasers, #7,082,149 High power diode side pumped solid state laser

    Specification

    Specifications – DM Nd:YAG Single Head Series
    DM1-532-60 DM1-532-100 DM1-532-150 DM1-532-200
    Wavelength 532nm
    Average Power @10kHz 60W 100W 150W 200W
    Pulse Energy @10kHz 6mJ 10mJ 15mJ 20mJ
    Pulse Width @10kHz ~150ns ~190ns ~200ns ~150ns
    Pulse repetition rate² 1kHz to 50kHz 1kHz to 30kHz 1kHz to 50kHz
    Pulse-to-pulse stability³ <1.0% rms <0.5% rms <1.5% rms
    Long-term power stability⁴ <0.5% rms
    Beam spatial mode⁵ Multimode M² ~15 Multimode M² 20–25 Multimode M² 15–20 Multimode M² <22
    Beam divergence (nominal) < 10mrad
    Beam diameter at exit ~3.0 mm
    Beam roundness >85%
    Beam pointing stability <25 urad
    Polarization ratio Horizontal; 100:1
    Operational Specifications and Characteristics
    Interface RS232, Ethernet, Software GUI, External TTL Triggering
    Warm-up time < 5 minutes from standby, <10 minutes from cold start
    Electrical requirement 200–240 V AC
    Line frequency 50–60 Hz
    Power consumption⁶ ~1.1kW ~1.5kW ~2.1kW ~2.5kW
    Laser Head Dimensions 26 x 6.5 x 4.25 in
    [660.4 x 165.1 x 107.95 mm]    		 26 x 11 x 4.25 in
    [660.4 x 279.4 x 107.95 mm]
    Power Supply Dimensions⁷ 15 x 10.2 x 3.5 in
    [381 x 259.08 x 88.9 mm]
    Weight ~49 lbs [22.2 kg] ~84 lbs [38.1 kg]
    Environmental Requirements
    Ambient temperature² Ambient 15°C to 30°C (59°F to 86°F) Operating Range
    Humidity Relative humidity 0% to 80% max, non-condensing
    Storage conditions -10°C to 40°C; sea level to 12000 m
    Storage humidity 0% to 80% relative Humidity, non-condensing
    Cooling system Water-Cooled
    Specifications – DM Nd:YAG Dual Head Series
    DM2-532-60 DM2-532-100 DM2-532-150 DM2-532-200
    Wavelength 532nm
    Average Power @10kHz 120W 200W 300W 400W
    Pulse Energy @10kHz 12mJ 20mJ 30mJ 40mJ
    Pulse Width @10kHz ~150ns ~190ns ~200ns ~150ns
    Pulse repetition rate² 1kHz to 50kHz 1kHz to 30kHz 1kHz to 50kHz
    Pulse-to-pulse stability³ <1.0% rms <0.5% rms <1.5% rms
    Long-term power stability⁴ <0.5% rms
    Beam spatial mode⁵ Multimode M² ~15 Multimode M² 20–25 Multimode M² 15–20 Multimode M² <22
    Beam divergence (nominal) 10mrad
    Beam diameter at exit ~3.7 mm ~4.5 mm
    Beam roundness >85%
    Beam pointing stability <25 urad
    Polarization ratio N/A
    Operational Specifications and Characteristics
    Interface RS232, Ethernet, Software GUI, External TTL Triggering
    Warm-up time < 5 minutes from standby, <10 minutes from cold start
    Electrical requirement 200–240 V AC
    Line frequency 50–60 Hz
    Power consumption⁶ ~3kW ~3.5kW ~4.5kW ~5kW
    Laser Head Dimensions 26 x 11 x 4.25 in
    [660.4 x 279.4 x 107.95 mm]    		 27 x 18.5 x 4.25 in
    [685.8 x 457.2 x 107.95 mm]
    Power Supply Dimensions⁷ 16 x 16.2 x 3.5 in
    [406.4 x 411.48 x 88.9 mm]
    Weight ~84 lbs [38.1 kg] ~115 lbs [52 kg]
    Environmental Requirements
    Ambient temperature² Ambient 15°C to 30°C (59°F to 86°F) Operating Range
    Humidity Relative humidity 0% to 80% max, non-condensing
    Storage conditions -10°C to 40°C; sea level to 12000 m
    Storage humidity 0% to 80% relative Humidity, non-condensing
    Cooling system Water-Cooled

    Applications

    • Particle Image Velocimetry (PIV).
    • Pumping Ti: Sapphire, Ultrafast Amplifier Systems.
    • High Power cutting, drilling, welding, marking, patterning.
    • Laser Thermal Processing (LTP).
    • Semiconductor Lithography.
    • Surface Cleaning and Ablation.
    • Water-Jet Assisted Laser cutting.
    • Diamond Cutting.
    • Precision Layer Removal for Additive Manufacturing.

    Key Feature

    • Up to ~400W of Average Power at 10 kHz.
    • Multimode Output.
    • Proprietary Twin Pulse mode option.
    • Water Cooled .
    • Robust Form Factor.
    • Dynamic Pulse Energy Control – PEC.
    • Power Monitoring and Auto-attenuation.
    • Unmatched Reliability.

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