High Power kHz Green Pump Lasers

  • Optimal performance for pumping Spectra-Physics ultrafast amplifiers
  • Excellent beam quality for maximum efficiency
  • Industrial platform with outstanding reliability

Elevate your research with the Ascend™ series pump lasers from Spectra-Physics®. Ascend is an industrial diode-pumped solid state, Q-switched laser capable of more than 60 W at 527 nm. Ascend delivers optimal performance for pumping the Spectra-Physics Spitfire® Ace™, Solstice® Ace, and Femtopower™ series amplifiers. Ascend yields the most efficient amplifiers commercially available, delivering industry-leading output power and energy, beam quality and reliability.

Ascend utilizes a proprietary architecture which produces less heat and an improved cooling scheme to provide maximum stability. When pumping a Spectra-Physics amplifier, Ascend delivers optimal green-to-IR conversion due to the excellent beam quality. The end result is maximum efficiency, low noise, and unmatched reliability, making Ascend the highest performing amplifier pump laser available.

Flexible performance means you can design experiments anywhere in the 1 to 10 kHz repetition rate range. Ascend configurations can be changed to maximize the utility of your amplifier system. Ascend is available with several output power levels for specific amplifier system configurations and requirements.

Ascend continues Spectra-Physics’ long-standing commitment to producing the highest performing, most reliable diode-pumped solid state lasers. Ascend combines industrial reliability and ruggedness with leading-edge performance to maximize the performance of your Spectra-Physics ultrafast amplifier.


 Ascend 60  
Wavelength 527 nm  

Average Power
1 kHz
5 kHz
10 kHz
>35 W
>60 W
>50 W

Pulse Energy
1 kHz
5 kHz
10 kHz
>35 mJ
>12 mJ
>5 mJ
Nominal Repetition Rate 1–10 kHz  
 Ascend 60  
Spatial Mode Multimode  
Polarization Linear, Horizontal  
Beam Diameter 3 mm (nominal)  
 Ascend 60  
Electrical Requirements 110/230 VAC, single phase, 60/50 Hz, 1 x 20 A; 1 x 15 A  
Laser Head Dimensions 20.0 x 10.0 x 7.10 in (50.8 x 25.4 x 18.0 cm)  
Laser Head Weight 40 lbs (18 kg)  
Power Supply Dimensions Rack mountable, 18.0 x 19.0 x 7.0 in (45.7 x 48.3 x 17.8 cm)  
Power Supply Weight 30 lbs (14 kg)  
Umbilical Length 10 ft (3 m)  

1. Due to our continuous improvement program, specifications are subject to change without notice.
2. The Ascend is a Class IV – High-Power Laser, whose beam is, by definition, a safety and fire hazard. Take precautions to prevent exposure to direct
and reflected beams. Diffuse as well as specular reflections can cause severe skin or eye damage.

Ascend Dimensions

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