Tsunami® Series

Ti: SAPPHIRE ULTRAFAST OSCILLATORS

  • High-performance optics (HP models) offer the broadest tuning range of 700 nm – >1080 nm
  • High peak power of >337 kW efficiently drives non-linear optical processes
  • Regenerative mode locking for long-term stability
  • Stable mode locking at the edges of tuning range

The Tsunami ultrafast Ti:Sapphire oscillator series provides unmatched flexibility and capability. The Tsunami series’ regenerative mode-locking mechanism sustains transform limited pulses, even during perturbation of the cavity, and enables coverage of a broad range of wavelengths with short femtosecond pulses out to very long picosecond pulses.

Flexibility

The Tsunami series contains the flexibility to have both femtosecond and picosecond pulses on the same platform with the 3960 series, a femtosecond only version with the 3941, and picosecond only with the 3950 series. The Tsunami series can be pumped with a Millennia eV in powers of 5, 10 or 15 watts so that the laser output can match the required amount of energy for each experiment. 

Design

The superior design of the Tsunami prism dispersion compensation enables short, transform-limited pulses. The unique l-track prism movement enables excellent beam pointing as the laser is tuned. The use of slits for wavelength selection in femtosecond operation, combined with advanced dispersion compensation allows wide pulse duration adjustment over the femtosecond range from <60 femtoseconds to >900 femtoseconds. The Tsunami laser can then be easily converted to picosecond mode to cover from less than 2 picoseconds to greater than 100 picoseconds with use of the appropriate GTI.

Lock-to-Clock

The Tsunami laser pulses can be synchronized to other lasers or laboratory equipment with the optional Lok-to-Clock® accessory that actively stabilizes cavity length. Lok-to-Clock electronics also provide high-speed input that can be used to slave the laser to a reference pulse train from another laser. 

Short Pulse Width

The short pulse Tsunami systems use the latest generation of high-performance optics to allow >65 nm of bandwidth for <30 fs in pulse width. When pumped by the Millennia eV 10, the Tsunami 3941-30-X1S typically achieves >800 mW of average power with <350 kW of peak power.

Expansion

When the Tsunami oscillator is combined with the broad range of Spectra-Physics harmonic generators and optical parametric oscillators, such as the Inspire™ OPO, wavelength coverage spans from 210 nm – 5 μm. Pulse picking can offer repetition rate flexibility from single shot to 8 MHz, while still providing enough pulse energy for demanding fluorescence lifetime applications.

Applications

Time-resolved spectroscopy
Seed source for high-energy amplifiers
High harmonic generation
Deep-penetration multiphoton imaging
Ultrafast tissue ablation
Micromachining
   
Output Characteristics Tsunami HP fs
15 W Pump
Tsunami HP ps
15 W Pump
Tsunami HP fs
10 W Pump
Tsunami BB fs
10 W Pump
Tsunami BB ps
10 W Pump
 
Tuning Range 700–1080 nm2 700–1000 nm 700–1050 nm 700–1000 nm 700–1000 nm  
Average Power3 >2.7 W at 800 nm >2.9 W at 800 nm >1.4 W at 800 nm >1.4 W at 800 nm >1.5 W at 800 nm  
Pulse Width3, 4 <100 fs <2–100 ps <100 fs <100 fs <2–100 ps  
Peak Power2 >337 kW at 800 nm - >170 kW at 800 nm >170 kW at 800 nm -  
Pulse Energy ~34 nJ ~36 nJ ~15 nJ ~14 nJ ~19 nJ  
Tsunami HP Models 3960C-15HP5
3941C-15HP
3950C-15HP
3960C-15HP5
3960-10HP5
3941-10HP
3960-X1BB
3941-X1BB
3950C-X1BB
3950-X1BB
 
   
Output Characteristics Tsunami BB
fs 5 W Pump
Tsunami BB
ps 5 W Pump
Sub 30 fs Tsunami
5 W Pump
Ultra Short Pulse
Tsunami 10 W Pump
Ultra Short Pulse
Tsunami 5 W Pump
 
Tuning Range 700-980 nm 700-980 nm 780-820 nm 780-850 nm 780-850 nm  
Average Power3 >0.7 W at 800 nm >0.7 W at 800 nm 400 mW at 800 nm 900 mW at 800 nm 500 mW at 800 nm  
Pulse Width3, 4 <100 fs <2–100 ps <30 fs <50 fs <50 fs  
Peak Power2 >85 kW at 800 nm - >160 kW at 800 nm >225 kW at 800 nm >125 kW at 800 nm  
Pulse Energy ~8 nJ ~8 nJ ~5 nJ ~11 nJ ~6 nJ  
Tsunami Broaband Models 3960-M1BB5
3941-M1BB
3960C-M1BB5
3941C-M1BB
3950-M1BB
3960-M1BB5
3960C-M1BB5
3950C-M1BB
3941-30-M1S 3941-X1S-USP 3941-M1S-USP  
   
Repetition Rate (nominal)1 80 MHz  
Noise2 <0.2  
Stability3 <5%  
Spatial Mode TEM00  
Beam Diameter (1/e²) <2 mm  
Beam Divergence, full angle <1 mrad  
Polarization >500:1 vertical  

1. Laser operation is specified at a nominal repetition rate of 80 MHz.
2. Specification represents rma noise measured in a 10 Hz to 2 MHz bandwidth.
3. Percent power drift in any two-hour period with <±1°C temperature change after a one-hour warm up.
4. Tsunami 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.

Tsunami Dimensions

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Supporting Products

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