Laser power as the pump source to produce laser energy, laser is the most important technical equipment, is an important factor in determining the overall performance of the laser, and sometimes even directly determine the laser performance and quality indicators. The composition of the solid pulse laser power system in the working substance in the solid-state lasers, the reversal of the number of particles are generally through the electro-optical pumping of the pump to achieve, and thus to the formation of high-brightness radiation sources in these lasers are often used by the gas discharge lamp discharge. The most commonly used pump power the electric light, which on the one hand to the laser pump energy, on the other hand to control the intensity and repetition rate of the laser output. The receiver of the wireless presenter green laser pointer can be connected to the personal computer.
Solid-state laser pump power is often used to pulse power and continuous power supply two forms of early pulsed laser power most of the industrial frequency AC transformer step-up, and isolated from the grid in this way often results in the volume of the machine is extremely large transformer generated high harmonic impact on power is more obvious. Six, seven years into the last century, with the rapid development of microelectronics and integrated circuit technology, a large number of new electronic devices such as power devices such as IGBT have come out to promote the development of power electronics technology, PWM technology matures [3] . The person who started the development of switch mode power supplies. It is a frequency AC into DC, and then switch the power conversion method, DC reverse into the intermediate frequency exchange and boost through the IF transformer. The emitter of wireless presenter green laser pointer will send the signal to the receiver.
Charging the storage capacitor, and finally discharged by the xenon lamp to the laser pump energy, compared with earlier pulsed power supply and power isolation, rectifier, the switching pulse power with its incomparable advantages: small size, light weight, along with switching inverter frequency increases, the main transformer and inductor size decreases. Energy efficient switching power supply, can effectively adjust the power factor of the circuit, a significant reduction in the loss of the energy conversion process. Frequency response and good dynamic performance. With the increase of the inverter frequency, switching power supply response to changes in load and supply to accelerate control is more accurate, timely, improved quality of the laser beam. In short, through the use of switching power supply technology, can improve the rapid response capability of the machine, the laser output stability and ease of use. The receiver of green laser pointer is being connected to the computer.
Solid pulse laser power systems include: power transformer and rectifier circuit, the charging circuit of the energy storage capacitor, the storage capacitor discharge circuit of pulse pumping lamp, xenon lamp trigger and pre-combustion several parts of the loop system and the regulation loop the system block diagram shown in Figure 1-1 [4]. Control Figure 1-1 solid pulse laser power supply schematic block diagram of the circuit schematic is: the power supply system uses switching technology for large energy storage capacitor to charge, to store electrical energy, gas was shot when the trigger circuit to provide a high voltage pulse to the xenon lamp, lamp wear, the xenon lamp into a low resistance state. The accumulated energy stored in the tank circuit by the xenon lamp pulse discharge, the appropriate design of energy storage discharge circuit to discharge pulse has the desired waveform. And then the customer can control the computer operation through manipulating the emitter of green laser pointer .
Through the use of pre-combustion technology, the xenon lamp after the trigger, pre-ignition circuit to provide a pre-ignition current to the xenon lamp, xenon lamp to maintain a small current conduction state. Reduce trigger the high voltage circuit, the pulse discharge is mainly dependent on the discharge in the discharge circuit switch control. Control loop as the core components of the system to control each of these normal circuit, coordination, and provide a variety of security and protection features. Solid pulse laser pump lamp each discharge short duration, the more tens of microseconds to tens of milliseconds, and its maximum discharge energy of up to thousands of joules, even up to the MW discharge pulse power. Now we can not use an equivalent average power of direct power supply of the power system must be a certain amount of energy storage devices power charging circuit of the low average power, not discharge from the accumulation of electrical energy required. Of course, the computer is with the receiver of wireless presenter green laser plugged.
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