Element 2

ULTRASHORT PULSED FEMTOSECOND OSCILLATORS

  • Ultrashort pulses with up to MW-level peak power
  • Ultra-low amplitude and phase noise
  • Superior power stability
  • Hands-free operation; sealed cavity for long-term operation

Element 2 is the newest generation of Spectra-Physics’ leading ultrafast few-cycle pulsed oscillators, specifically designed for superior stability, lowest noise, and hands-free operation. When paired with the newest version of our optional carrier envelope phase stabilization (CEP4), the result is the most stable and low-noise source of ultrashort, CEP stable pulses, opening the door to the most demanding ultrafast scientific applications.

Ultrashort Pulses with Highest Stability

With its robust design, the Element 2 oscillator family provides outstanding power stability and superior carrier envelope offset beat note power and frequency stability. With the various Element 2 models Spectra-Physics offers shortest pulses of sub-7 fs with an average power of >500 mW, and sub-10 fs pulses with an average power up to >1000 mW. The Element 2 ultrafast oscillator is pumped with an integrated Spectra-Physics Millennia® eV™ solid state green laser. The resonator is based on Dispersive Mirror (DM) technology for precise intra-cavity dispersion management and optimum stability for mode-locking. Therefore, Element 2 guarantees highest quality, outstanding peak power, and ultrafast pulses with extraordinary spectro-temporal characteristics even for the most demanding applications.

Applications

Amplifier seeding
Time resolved spectroscopy
THz generation
Multiphoton microscopy
   
 7-50010-60010-100020-60020-1200  
Pulse Duration <7 fs <10 fs <20 fs  
Bandwidth >300 nm at -10 dB >100 nm (FWHM) >40 nm (FWHM)  
Average Power >500 mW >600 mW >1000 mW >600 mW >1200 mW  
Pulse Energy >6.6 nJ >7 nJ >11.7 nJ  >7 nJ >14.1 nJ  
Peak Power >840 kW >700 kW >1100 kW >350 kW >700 kW  
Central Wavelength3 (standard) 800 nm ±20 nm 800 nm ±10 nm  
Repetition Rate3 (standard) 80 ±5 MHz  
Noise (1 Hz–100 kHz) <0.5% rms  
Power Stability4 (peak-to-peak) ±0.5%  
Beam Divergence NA <2 mrad  
M2 NA <1.3  
Beam Diameter (1/e2) <2 mm  
Polarization >100:1 (horizontal)  
Femtolock™ 2 Optional  
CEP4 Optional5  

1. Due to our continuous product improvement program, specifications may change without notice.
2. Specifications apply to standard wavelength and standard repetition rate.
3. For other values, please contact Spectra-Physics.
4. Measured over 24 hours at constant environmental conditions.
5. Optional for Element 2 7-500, 10-600, and 20-600. For other models, please contact Spectra-Physics.
6. Element 2 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 damage.

   
 7-500 CEP410-600 CEP420-600 CEP4  
Pulse Duration Uncompressed output  
Bandwidth >300 nm at -10 dB >100 nm (FWHM) >40 nm (FWHM)  
Average Power >250 mW >300 mW >300 mW  
Central Wavelength2 (standard) 800 nm ±20 nm  
Repetition Rate2 (standard) 80 MHz  
fCEO 0 Hz  
CEP Stability <60 mrad rms (0.05 Hz-500 kHz) over 12 hours  
Beat Signal SNR >35 dB  
Femtolock™ 2 Optional  

1. Due to our continuous product improvement program, specifications may change without notice.
2. For oher values, please contact Spectra-Physics
3. Element 2 CEP4 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 damage.

Element 2 Dimensions

Element 2 CEP4 Dimensions

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