Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Short pulse separation laser










Image Number 3 for United States Patent #6980574.

According to the invention, a laser and a method of operating a laser which can produce multiple pulses from a single laser head is provided. A lasing medium is pumped by pumping source such as laser diodes, lamp and such. A modulator located in the cavity is turned on to induce a loss in the laser cavity sufficient to prevent lasing. A first predetermined amount of energy is stored in the lasing medium while the modulator is turned on due to a creation of a population inversion in the lasing medium in excess of the lasing threshold. The modulator is then turned off for a period of time to allow the lasing medium to provide a first pulse. The modulator is then turned on before the population inversion in the laser medium is depleted completely so that a predetermined amount of energy remains stored in the lasing medium. After the first pulse, the modulator again induces a loss in the cavity sufficient to prevent lasing. The modulator is maintained in the on position for a period of time to increase the amount of energy stored in the lasing medium. The modulator is then turned off for a third period of time to allow the lasing medium to produce a second pulse having a second controlled amount of pulse energy.








 
 
  Recently Added Patents
Color image forming apparatus with contact control of process units
Terminal box assembly
Video editing apparatus
MOS transistor having combined-source structure with low power consumption and method for fabricating the same
Display apparatus
Duty cycle adjustment of remote illumination source to maintain illumination output
Processing abstract derived entities defined in a data abstraction model
  Randomly Featured Patents
Man-powered slim charger
Solenoid for electromagnetic valve
Probe tip alignment for precision liquid handler
Catalyst and reverse disproportionation process
Continuous system for depositing films onto plastic bottles and method
Procedure and system for inspecting a component with leads to determine its fitness for assembly
Machine tool with an adjustable mechanism for fixing and displacing a workpiece relative to a tool
Chromogenic furoquinoxalines
Pharmaceutical compositions and utilization thereof particularly for the treatment of neurodegenerative disorders
Hose coupling