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Laser energy storage discharge circuit

· An energy-storage and pulse-forming section, usually an LC network. Energy is stored in the capacitor of the network. When the laser is fired, an RLC circuit is formed in which the resistance is the resistance of the gas discharge. The inductor is chosen for the best e
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Fast Discharge Circuit for Longitudinally Excited Laser

Figure 2 shows the dependence of the laser output energy on the mixed gas pressure. The maximum output energy of the direct-drive circuit was 47.2 mJ, which was almost the same as that of the capacitor-transfer circuit. Figures 3 and 4 show the discharge voltage and laser pulse waveforms at a mixed gas

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Microsecond Long Pulse Generation of Nd:YAG Laser Using

DISCHARGE CIRCUITS A flash-lamp discharge circuit comprises a trigger circuit to initiate the ionization of the gas in the lamp, a simmer circuit that keeps a partial steady-state ion-ization of the gas, and a charged capacitor C which is discharged into the flash-lamp through an inductor L [9]. Figure 1 depicts single mesh (Fig. 1a) and multi-

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Efficient gas lasers pumped by double-discharge circuits with

Waveforms of currents in the circuit of storage capacitor I 1 and load current I 2, (DF) laser energy and discharge stability in different excitation modes [32], [33]. In the case of excimer lasers output energy with additional X-ray illumination with the use of the IES was maximal, as well. Second reason of discharge improvement with the

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Light–Material Interactions Using Laser and Flash Sources for Energy

This review provides a comprehensive overview of the progress in light–material interactions (LMIs), focusing on lasers and flash lights for energy conversion and storage applications. We discuss intricate LMI parameters such as light sources, interaction time, and fluence to elucidate their importance in material processing. In addition, this study covers

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High efficiency discharge-pumped XeCl laser

An X-ray preionized 0: 7l active volume discharge- pumped XeCl laser is described. A simple CLC resonant charging pumping scheme has been used. A specific laser en- ergy of about 5J = lat the efficiency of > 5:5% with respect to the electrical energy stored in the driving capacitors has been reached. A standard deviation< 0: 2% was obtained for 3J output

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Fast Discharge Circuit for Longitudinally Excited CO 2 Laser

Figures 3 and 4 show the discharge voltage and laser pulse waveforms at a mixed gas pressure of 3.0 kPa for the direct-drive circuit and the capacitor-transfer circuit, respectively. As shown in Fig. 3, with the direct-drive circuit, the breakdown voltage was −55.2 kV.The fall time of the main discharge, corresponding to the discharge formation time, was

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Discharge lasers pumped by generators with inductive energy storage

It should be mentioned that this excitation technique allows one to change the total laser pulse duration in the range of 4 to 14 s due to the variation of N content in the gas mixture. Fig. 6 depicts the CO laser energy and efficiency as a function of charging voltage on capacitor . The laser energy increases linearly with and reaches 3.2 J at kV.

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Recent advances in preparation and application of laser

The energy density of the energy storage device is mainly determined by its capacitance and working voltage (E = CV 2 /2); therefore, further improvement of its energy storage relies on enhancing these parameters, especially the capacitance [62, 63]. To increase the device capacitance, pseudocapacitive materials such as transition metal oxides

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Pulsed Power Circuit Topologies for Gas Laser Applications

5.2.3 The Hybrid Circuit as a Double-Discharge Circuit.. 119 5.2.4 Optimized Multi-Stage Compression Topology as a Double-Discharge Circuit.. 124 5.3 A new concept to increase voltage rise-times across the main gap – the ''magnetic isolation

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Design of a high current protection inductor for the high energy

A large laser fusion facility is driven by 108 energy modules, and the main discharge circuit schematic of the energy module is shown in Fig. 1.The charging set is used to charge the energy storage capacitor bank to the working voltage, then the switch is triggered by a trigger generator, and the stored energy from the capacitor bank is injected into many pairs of

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Electrostatic Discharge (ESD) in Electro-Optic Devices

The circuit consists of the Rc charge resistor (50-100 MΩ), the CS energy storage capacitor (150 pF ± 10%), the Rd discharge resistor that represents the total resistance of the skin (330 Ω ± 10%) and the EUT (Equipment Under Test). The value of the CS energy storage capacitor is representative of the electrostatic capacity of the human body.

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Generation of long pulse excimer laser using a novel auto

This circuit is capable of generating fast rising voltage pulses necessary for creating the glow discharge. The sustainer circuit consists of main energy storage unit made of a 20 nF capacitors bank (or 30 nF) and a saturable inductor (L S2) made of Ni–Zn ferrites, provides electrical energy to the discharge gas medium for sustaining glow

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Effects of tunable circuit parameters on pulsed discharge and

The circuit model adopted in the simulation consists of a CLC (MPC) loop and an RLC (discharge) loop, as shown in figure 1.The former loop is composed of a storage capacitor (, fixed to 49.3 nF with initial voltage kV), a magnetic switch (), a pre-ionization stray inductor (, fixed to 9.3 nH) and a tunable peaking capacitor (, varies from 25 nF to 75 nF); the RLC loop is

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Laser on nitrogen-electronegative gas mixtures, pumped by

The advantages of inductive energy storage (IES) generators for increasing the pulse energy, power, and duration for nitrogen laser pumped by self-sustained transverse discharge have been experimentally demonstrated. A theoretical model is developed and the operation of IES-pumped laser on nitrogen-electronegative gas mixtures is numerically

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Laser-induced graphene in energy storage

Laser-induced graphene (LIG) offers a promising avenue for creating graphene electrodes for battery uses. This review article discusses the implementation of LIG for energy storage purposes, especially batteries. Since 1991, lithium-ion batteries have been a research subject for energy storage uses in electronics.

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Efficiency of a capacitor‐transfer‐type discharge excimer laser

Energy transfer aspects in a capacitor‐transfer‐type discharge excimer laser with automatic preionization (API) have been studied to improve the laser efficiency. Detailed measurements on the discharge and output characteristics of the XeCl laser show that efficient energy transfer from the storage capacitor to the discharge capacitor is essential for improvement in the overall

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About Laser energy storage discharge circuit

About Laser energy storage discharge circuit

· An energy-storage and pulse-forming section, usually an LC network. Energy is stored in the capacitor of the network. When the laser is fired, an RLC circuit is formed in which the resistance is the resistance of the gas discharge. The inductor is chosen for the best energy transfer from the capacitor to the flashlamp or laser tube.

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6 FAQs about [Laser energy storage discharge circuit]

What type of discharge circuit is used for laser flashlamps?

Energy stored in the capacitor. Two types of capacitor discharge circuits are used for laser flashlamps. They are the RLC discharge circuit and pulse-forming network (PFN). The choice of circuit to be used for a particular application depends upon required pulse length, pulse shape, energy to be discharged, and desired charging voltage.

Where is energy stored in a laser network?

Energy is stored in the capacitor of the network. When the laser is fired, an RLC circuit is formed in which the resistance is the resistance of the gas discharge. The inductor is chosen for the best energy transfer from the capacitor to the flashlamp or laser tube.

Does a short plasma lifetime limit the length of a laser-guided discharge?

Scientific Reports 7, Article number: 40063 (2017) Cite this article Recent works on plasma channels produced during the propagation of ultrashort and intense laser pulses in air demonstrated the guiding of electric discharges along the laser path. However, the short plasma lifetime limits the length of the laser-guided discharge.

What is energy storage & pulse-shaping section?

The energy-storage and pulse-shaping section is composed of inductors and capacitors. Capacitors store the energy, the lamp provides the load resistance for the RLC discharge circuit, and the inductors shape the output current pulse.

How does a RLC discharge circuit work?

Capacitors store the energy, the lamp provides the load resistance for the RLC discharge circuit, and the inductors shape the output current pulse. RLC discharge circuits are used for short pulse durations and are designed to be critically damped or slightly overdamped.

How does high excitation temperature affect a laser-guided AC discharge?

The high excitation temperature of air after the laser-guided AC discharge induced a hydrodynamic expansion along the laser path and produced a conductive channel with an air density 16 times lower than for ambient conditions.

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