High Voltage Pulse Generators (High Voltage Pulsers)

High-voltage pulse generators (high voltage pulses) are:

  • Essential components driving modern technology.
  • They enable critical processes in scientific research, industrial applications, and medical advancements.
  • They produce short, high-voltage pulses of electrical energy, powering equipment like time-of-flight mass spectrometers, micro-channel plates, and photomultiplier tubes.

While high-voltage pulse generators are typically used, a high-voltage amplifier can also generate a high-voltage pulse waveform. High-voltage pulse generators share similarities with high-voltage switches and relays, serving similar functions in different applications. In accelerator applications for incident light, a high-voltage pulse generator is referred to as a KICKER PULSE GENERATOR.

Matsusada Precision leads the industry with innovative high-voltage pulse generators, offering precision engineering and cutting-edge technology for various applications. This comprehensive guide reviews high-voltage pulse generators, exploring their diverse applications, unique features, and the benefits they bring to various industries.

Product Line

Matsusada Precision's product line of high-voltage pulse generators (high voltage pulses) comprises two key series: the SK Series and the SKS Series. These series represent cutting-edge technology and precision engineering, offering versatile solutions for high-voltage pulse applications across various industries.

Matsusada Precision's SK Series and SKS Series high-voltage pulse generators are the pinnacle of performance and reliability, providing innovative solutions for high-voltage pulse applications in various industries.

Features and Benefits

Our High voltage pulse generators have several features that make them ideal for various applications. From high-speed response to ultra-compact design, these generators can fulfill the demanding requirements of modern applications.

1. High-Speed Response

Our high-voltage pulse generators boast exceptional high-speed response capabilities, delivering precise voltage pulses with minimal delay. This feature is crucial in applications requiring rapid voltage transitions, such as high-frequency testing and pulsed laser systems. By providing quick and accurate voltage outputs, our generators ensure critical processes can be executed precisely and efficiently.

Furthermore, the high-speed response of our generators allows for precise control over voltage waveforms, enabling users to tailor the output to meet specific requirements. This flexibility is essential in research and development environments where customization is key. Whether you need short, intense pulses or longer, sustained outputs, our generators can deliver the needed performance.

In addition to their high-speed response, our generators are designed to maintain stability and accuracy over various operating conditions. It ensures that the voltage output remains consistent and reliable even under varying load conditions. This level of performance is essential in applications where accuracy is paramount, such as in medical equipment and scientific instrumentation.

Overall, the high-speed response of our high-voltage pulse generators makes them an ideal choice for applications requiring speed, accuracy, and reliability. Whether you're conducting research, testing electronic components, or developing new technologies, our generators can meet your most demanding requirements.

2. High Power Design Applicable in Low Impedance

Our high power design of High voltage pulse generators allows them to deliver significant voltage levels even when connected to low impedance loads. This capability is essential in applications where high power output is required, such as in plasma generation and high-energy physics experiments. Our generators can deliver the power needed to drive these demanding applications, ensuring optimal performance and reliability.

Furthermore, the ability of our generators to operate efficiently in low impedance conditions makes them versatile and adaptable to many applications. Whether you're working with high-power lasers or testing high-voltage components, our generators can deliver the performance you need. This versatility makes our generators a cost-effective solution for various industries and applications.

In addition to their high-power design, our generators are built to withstand continuous operation rigors. It ensures that our generators deliver consistent performance and reliability even under heavy use. This level of durability makes our generators a long-lasting solution for your high-power needs.

Overall, the high power design of our High voltage pulse generators makes them an ideal choice for applications requiring high power output in low impedance conditions. Whether you're working in research, industrial testing, or high-energy physics, our generators can meet your most demanding requirements.

3. High Reliability and Long Life

Our high-voltage pulse generators are renowned for their high reliability and long life. Built with robust components and a durable design, our generators can withstand the rigors of continuous operation in demanding environments. It ensures that our generators deliver consistent performance over their long operational life, providing peace of mind to users in critical applications.

Furthermore, our generators undergo stringent quality control to meet the highest reliability standards. Each generator is subjected to a series of tests to verify its performance and durability, guaranteeing that it will perform as expected under all conditions. This commitment to quality is reflected in the low failure rates of our generators, making them a trusted choice for organizations worldwide.

In addition to their reliability, our generators are designed for easy maintenance. Their modular design allows quick and easy parts replacement, minimizing downtime and lowering maintenance costs. It ensures that our generators remain operational for longer, maximizing their value to our customers.

4. Ultra-Compact and Lightweight Design

Our high-voltage pulse generators are engineered with an ultra-compact and lightweight design, making them exceptionally portable and easy to handle. This feature is particularly advantageous in field applications or research settings where mobility and space constraints are significant factors. The compact nature of our generators also allows for versatile installation options, fitting into tight spaces or custom setups without sacrificing performance.

Furthermore, the lightweight design of our generators contributes to their ease of use and installation. Operators can move the generators between locations or set them up in challenging environments without requiring heavy lifting equipment. It enhances convenience and reduces the overall setup time, making our generators an efficient and practical choice for various applications.

Overall, the ultra-compact and lightweight design of our voltage pulse generators adds a layer of flexibility and convenience, allowing them to be easily deployed in diverse settings and applications.


High-voltage pulse generators play a crucial role in various scientific and industrial applications, providing the high-voltage pulses necessary for the operation of devices such as time-of-flight mass spectrometers, micro-channel plates, photomultiplier tubes, electron beams, ion beams, beam steering systems, tube grids, Q-switches, Pockels cells, and electromagnetic acoustic transducers.

These devices are utilized in various fields, from analytical chemistry to materials science, offering unique capabilities that contribute to advancements in research, industry, and technology.

Time-of-Flight Mass Spectrometry (TOF-MS) 

Time-of-flight mass spectrometry (TOF-MS) is used to analyze a sample's mass-to-charge ratio of ions. It involves ionizing the sample, accelerating the ions using high-voltage pulses, and measuring the time it takes to reach a detector, which is proportional to their mass-to-charge ratio.

Time-of-Flight Mass Spectrometry (TOF-MS)


High-voltage pulse generators are used in TOF-MS to provide the high-voltage pulses needed to accelerate ions toward the detector. Precisely controlling the high-voltage pulses allows for accurate mass measurements and high-resolution mass spectra. Additionally, they are used in deflection plates for electrostatic modulation of particle beams in time-of-flight mass spectrometers.


  1. High sensitivity: High voltage pulse generators enable the detection of low-abundance compounds in complex samples.

  2. High resolution: Precise control over ion acceleration results in high-resolution mass spectra.

  3. Fast analysis: Rapid pulsing of ions allows for fast data acquisition, increasing analysis throughput.

  4. Versatility: TOF-MS with High-voltage pulse generators can be adapted to various sample types and analysis requirements.

Micro-channel Plate (MCP) 

Micro-channel plates (MCPs) are electron multipliers in imaging and detection applications. They consist of a dense array of tiny channels that amplify the electrons produced by incident particles.

Micro-channel Plate


High-voltage pulse generators provide the high voltage needed to accelerate electrons within the MCP, leading to electron multiplication through the channels. They are also used for gating, where the gating time is set by pulse width for short time measurement, similar to the use of tube grids.


  1. Enhanced sensitivity: MCPs amplify the signal from incident particles, improving detection sensitivity.

  2. High-speed imaging: MCPs can provide high-speed imaging capabilities, which are useful in astronomy and particle detection applications.

  3. Low noise: MCPs have low noise characteristics, making them suitable for low-light-level imaging.

Photomultiplier Tube (PMT) 

Photomultiplier tubes (PMTs) are light sensors that convert light photons into electrical signals. They are used in applications requiring low-light detection, such as fluorescence spectroscopy and particle detection.

Electron Beam


High-voltage pulse generators provide the high voltage needed to accelerate electrons within the PMT, leading to electron multiplication and generating a measurable electrical signal. They are also used for gating, where the gating time is set by pulse width for short time measurement, similar to the use of tube grids.


  1. High sensitivity: PMTs are highly sensitive to low light levels, enabling the detection of weak signals.

  2. Wide dynamic range: PMTs have a wide dynamic range, allowing for the detection of both weak and strong signals.

  3. Fast response time: PMTs have a fast response time, making them suitable for applications requiring rapid signal detection.

Electron Beam 

Electron beams are used in electron microscopy, electron lithography, and materials processing. They are generated by accelerating electrons using high voltages.

Electron Beam


High-voltage pulse generators provide the high voltage needed to accelerate the application's electrons to the desired energy level.


  1. High resolution: Electron beams can achieve high spatial resolution, allowing for detailed imaging and patterning.

  2. Controlled processing: Electron beams can be precisely controlled to etch, deposit, or modify materials at the micro- and nanoscale.

  3. Non-destructive analysis: Electron beams can analyze non-destructive materials, providing vital information about their structure and composition.

Ion Beam 

Ion beams are used in ion implantation, materials analysis, and surface modification. They are generated by accelerating ions using high voltages.

Ion Beam


High-voltage pulse generators provide the high voltage needed to accelerate ions to the desired energy level for the application.


  1. Precise doping: Ion beams can precisely introduce dopant atoms into semiconductor materials, which is essential for device fabrication.

  2. Surface modification: Ion beams can modify the surface properties of materials, like hardness and wear resistance.

  3. Depth profiling: Ion beams can be used for depth profiling of materials, providing information about their composition and structure.

Beam Steering (Beam Deflection)

Beam steering, also known as beam deflection, redirects a beam of particles or electromagnetic radiation. This technique is used in various applications such as laser scanning, lidar systems, and particle accelerators.

Beam Steering (Beam Deflection)


High-voltage pulse generators control the deflection of the beam by applying precise and timed voltage pulses to the steering mechanism. It allows for manipulating the beam's direction without physically moving the source.


  1. Precision control: High voltage pulse generators enable precise control over the beam steering mechanism, allowing for accurate beam positioning.

  2. Speed: Beam steering can be performed rapidly, making it suitable for fast scanning or tracking applications.

  3. Non-mechanical: Beam steering using high voltage pulses is a non-mechanical process, reducing the risk of mechanical failure and enabling miniaturization in compact systems.

Tube Grid

A tube grid is an electrode used in cathode ray tubes (CRTs) and other electron tubes to control the flow of electrons. Placed between the cathode and anode, it controls the flow of electrons with ring-shaped, cylindrical, or grid-pattern electrodes.

Tube Grid


High-voltage pulse generators provide the voltage needed to control the tube grid and enable operation of the electron beam in electron tube applications. High voltage pulses applied to the tube grid allow precise control of electron flow, allowing beam blanking, time control, and beam selection.


  1. Focus and deflection: Electron tubes, vacuum tubes, and electron guns with grids, when controlled by high voltage pulses, help focus and deflect the electron beam, allowing time control.

  2. Control: A high-voltage pulse generator precisely controls the electron beam and allows for time control.


A Q-switch is a device used to control the output of a laser by rapidly switching it between a low-Q (high-loss) and high-Q (low-loss) state. This technique generates high-intensity laser pulses for various applications such as laser marking, cutting, and drilling.



High-voltage pulse generators trigger the Q-switch, causing it to switch between its low-Q and high-Q states. This process allows for the generation of short, high-intensity laser pulses.


  1. Pulse control: Q-switching allows for precise control over the duration and intensity of laser pulses, making it suitable for applications requiring high-energy pulses.

  2. Efficiency: Q-switching improves the efficiency of laser systems by reducing energy losses during the laser pulse generation process.

Pockels Cells

Pockels cells are electro-optic devices used to control the polarization of light beams. They are used in various applications, such as laser modulation, optical switching, and laser cavity dumping.

Pockels Cells


High-voltage pulse generators are used to apply a voltage to the Pockels cell, causing a change in its birefringence and, thus, the polarization of the transmitted light beam.


  1. Fast response time: Pockel cells have a fast response time, allowing for rapid modulation of laser beams.

  2. High damage threshold: Pockels cells have a high damage threshold, making them suitable for high-power laser systems.

Electromagnetic Acoustic Transducer (EMAT)

EMATs are non-contact ultrasonic transducers that generate and receive ultrasonic waves without requiring direct coupling mediums such as liquids or gels. They are used in various applications, such as flaw detection, thickness measurement, and material characterization.

Electromagnetic Acoustic Transducer (EMAT)


High-voltage pulse generators are used in EMAT systems to generate pulsed electromagnetic fields. These fields induce ultrasonic waves in the material under test, which the EMAT detects without needing physical contact.


  1. Non-contact operation: EMATs can operate without physical contact with the material, making them suitable for use in harsh environments or on delicate surfaces.

  2. Versatility: EMATs can generate different types of ultrasonic waves, allowing for various applications.

  3. High resolution: EMATs can achieve high-resolution measurements, making them suitable for detecting small defects or variations in material properties.


What is a high-voltage pulse generator?

A high-voltage pulse generator is a device that produces short, high-voltage pulses of electrical energy. It is used in scientific, industrial, and medical applications.

What are the types of pulse generators?

Pulse generators can be classified based on their output characteristics and the method of generating high-voltage pulses. Some common types include:

  1. Unipolar Output: These generators produce pulses with a single polarity, either positive or negative. They are often used in applications where only one polarity is required, such as in certain types of particle accelerators.

  2. Bipolar Output: Bipolar pulse generators produce pulses with both positive and negative polarities. They are used in applications that require alternating pulses, such as in radar systems and medical imaging devices.

  3. Integrated High-Voltage Power Supply: Some pulse generators come with an integrated high-voltage power supply, which simplifies the setup and operation of the generator. These generators are convenient for applications where high voltage is required along with the pulse.

These types of pulse generators cater to different requirements and applications, providing flexibility and versatility in pulse generation for various industries and research fields.

How does a high-voltage pulse generator work?

A high-voltage pulse generator charges a capacitor to a high voltage and then discharges it through a load, releasing its stored energy as a high-voltage pulse.

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