Mai Tai

ONE BOX TI:SAPPHIRE LASERS

  • High output power maximizes penetration depth in multiphoton imaging
  • Short output pulse width to provide high peak power
  • Wide tuning range for efficient excitation of all commonly used fluorophores

The Spectra-Physics Mai Tai® Ti:Sapphire oscillator is used for a variety of applications ranging from general spectroscopy to multiphoton microscopy. With its leading performance specifications and largest installed base of any laser of its type, the Mai Tai is truly a cutting-edge tool for basic research and biological imaging.

The Mai Tai series includes four models of increasing power and tuning range to allow customers to choose the system to best match their application. Ideal for multiphoton microscopy, the Mai Tai HP provides more than 300 nm (690–1040 nm) in useable tuning range with over 2.5 W of average power and a pulse width of less than 100 fs. For customers interested in systems with a shorter pulse width, the Mai Tai BB and Mai Tai XF provide more than 240 nm in useable tuning range with a pulse width of less than 80 fs. Finally, the Mai Tai XF-1 provides more than 200 nm in useable tuning range with an even shorter pulse width of less than 70 fs. For access to longer wavelengths beyond 1040 nm, Spectra-Physics offers InSight™ DS+™ with the widest tuning range (680-1300 nm) for deepest in vivo imaging.

The Mai Tai series reliability is maintained using proven, ultra-stable regenerative mode-locking. Using this method, the Mai Tai oscillator is capable of hands free, drop-out free wavelength tuning enabling speedy collection of excitation profiles all at the click of a mouse. StabiLok® real-time monitoring technology also enhances system reliability by providing excellent beam pointing stability and minimal average power fluctuations, as well as eliminating wavelength drift. These two features combine to make the Mai Tai oscillator the most reliable and most versatile hands free laser source available.

Applications

Multiphoton microscopy
Time-resolved photoluminescence
Non-linear spectroscopy
Optical computed tomography
Surface second harmonic generation
Terahertz imaging
Semiconductor metrology
Materials processing
Amplifier seeding
   
 Mai Tai HPMai Tai BBMai Tai XFMai Tai XF-1  
Pulse Width2, 3 <100 fs <80 fs <80 fs <70 fs  
Tuning Range4 690–1040 nm 710–990 nm 710–950 nm 710–920 nm  
Average Power at 800 nm2 >2.5 W >1.5 W >1.5 W >900 mW  
Average Power, Alternative Wavelengths5 >500 mW at 690 nm
>1.35 W at 710 nm
>1.35 W at 920 nm
>300 mW at 1040 nm
>650 mW at 710 nm
>650 mW at 920 nm
>250 mW at 990 nm
>650 mW at 710 nm
>650 mW at 920 nm
>500 mW at 950 nm
>400 mW at 710 nm
>400 mW at 920 nm
 
Beam Roundness2 0.9–1.1  
Astigmatism2 <10%  
Repetition Rate2, 6 80 MHz ±1 MHz  
Beam Pointing Stability <50 µrad/100 nm  
Noise2, 7 <0.15%  
Stability8 <±1%  
Spatial Mode2 TEMoo, M2 <1.1  
Polarization2 >500:1 horizontal  
Beam Divergence2 <1.2 mrad  
Beam Diameter (1/e²)2 <1.2 mm  
   
 Mai Tai HPMai Tai BBMai Tai XFMai Tai XF-1  
Altitude Up to 2000 m  
Temperature, Operating 20–25°C  
Relative Humidity, Operating Maximum 75% non-condensing up to 25°C  
Temperature, Storage 15–35°C  
Relative Humidity, Storage <65% for 15–35°C  
Cooled Water Temperature in Closed-loop Chiller 21°C typical9  

1. Due to our continuous product improvement program, specifications may change without notice.
2. Specification applies to 800 nm only.
3. A sech2 pulse shape is used to determine the pulse width as measured with a Newport PulseScout® autocorrelator.
4. Mai Tai is also available with a fixed, factory preset wavelength within the wavelength range noted.
5. Specifications apply to operation at the wavelength noted.
6. Laser operation is specified at a nominal repetition rate of 80 MHz.
7. Specification represents rms noise measured in a 10 Hz to 10 MHz bandwidth.
8. Percent power drift in any 2-hour period with <±1°C temperature change after a 1-hour warm up.
9. Avoid obstructing the air exhaust grills which will result in the recirculation of hot exhaust air. Cooling air enters through the front panel and exits through the rear fan apertures.
10. The Mai Tai 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.

Mai Tai Dimensions

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