The Original SL100 System |
We are pleased to offer the model SL100 sonoluminescence kit for $2495.00. Now you can easily acoustically trap bubbles and make them glow. As reported in Scientific American (February 1995) and Physics Today (September 1994) sonoluminescence (SL) is the process where a small gas bubble is trapped in water by the presence of an acoustical field. In the presence of the oscillating sound field the bubble expands and then violently collapses giving off a brief flash of light less than 50 ps in duration. This process is repeated tens of thousands of times a second with remarkable precision. What process is involved that actually makes the light is still not understood and thus SL has become a topic of intense experimentation and intrigue.
After years of research we have developed a system that is easy to use and really works the first
time! The SL 100 uses an external ultrasonic horn to drive an open rectangular cell. The SL100 is a
true research grade system that is far superior to the conventional spherical glass cells which may or
may not work. After the water has been degassed it should take no longer than five minutes for the
novice user to find the resonance, seed the bubble and make it glow. The kit comes complete with a
powerful ultrasonic horn, rectangular resonant cavity with attached PZT microphone, control box, and degassing flask as shown in the picture. The control box contains a high voltage power amplifier with impedance matching inductor, resonance detection circuitry, and a push button current source to seed the bubble
maker.
The SL100 is designed to be driven with any good quality function generator. An analog pannel meter indicates when you have found the resonance frequency of the cell. A simple adjustment of the drive to the correct level and a quick burst from the bubble seeder and you have it !
You DO NOT need an external oscilloscope or audio amplifier to operate this system. The back of the unit has an auxillary jack for viewing the resonance signal on an oscilloscope if desired. All connections to the cell and horn are high quality BNC connections and of course the cables are included.
The SL100 system
comes ready to use with a complete set of instructions.
If you do not possess a function generator we are also
pleased to offer the FG100, a direct digital synthesis (DDS) function generator with 0.01 HZ
resolution for $579.00.
This function generator has the necessary precision and frequency stability to
drive the sonoluminescence.
Each kit is fully tested and guaranteed to work. You are provided with a calibration sheet that details
the necessary drive level and approximate frequency where the sonoluminescence should occur.
For orders or questions contact:
SL100 System
John Kordomenos Ph.D.
321 Blackstone Ave.
LaGrange, IL 60525
Phone: 847.922.5406 Fax: 708.352.8065