Description
The NBU-1112 discharge circuit is an advanced module engineered to enhance the development of solid-state laser systems. This innovative device is designed to generate quasi-rectangular pulses on a flashlamp by utilizing energy stored in an external capacitor bank. Additionally, it supplies simmer current during the intervals between pulses, ensuring consistent performance and reliability.
The NBU-1112 is equipped with an IGBT and its driver, protective circuits, simmer and trigger circuits, and control electronics, making it a comprehensive solution for laser system developers. While the NBU-1112 does not come with embedded discharge resistors, it is fully equipped with the necessary circuits to manage them. Users have the flexibility to purchase discharge resistor assemblies of varying sizes and resistances as accessories, allowing for customization based on specific project requirements. This adaptability makes the NBU-1112 a versatile choice for a wide range of applications.
**Integration and Customization** It is crucial to note that the NBU-1112 is not a standalone unit. To function effectively, it requires integration with a capacitor charging power supply and a capacitor bank, along with some additional minor components and controls. This requirement ensures that users can tailor the setup to meet their unique needs, providing a high degree of flexibility in system design.
The NBU-1112 supports both series and external triggering by default, offering users the ability to choose the triggering method that best suits their application. For those with specific needs, simplified or more complex modifications of the module are available upon request, ensuring that the NBU-1112 can be adapted to a wide range of operational scenarios.
**Key Features** One of the standout features of the NBU-1112 is its clear and visible design, which facilitates easy monitoring and management of the system. This user-friendly aspect, combined with its robust functionality, makes the NBU-1112 an essential component for anyone involved in the development of solid-state laser systems. Whether you are looking to replace the NBU-0808 discharge circuit or extend its functionality, the NBU-1112 offers a reliable and efficient solution.
Other our discharge circuits:
NBU-1012 discharge circuit, up to 1000V, 1000A. It forms quasi-rectangular pulses on a flashlamp (using energy stored in an external capacitor bank) and provides simmer current during the interval between pulses
The NBU-1508 discharge circuit forms bell-shaped pulses of fixed length on a flashlamp. Typical applications are Q-switched Nd:YAG lasers or similar.
For high power IPL and long pulse Nd:YAG, KTP, Alexandrite laser systems we offer the NBD-0505-PWM discharge circuit with PWM (pulse-width modulation) technology. The module forms rectangular or quasi-rectangular pulses on a flashlamp.
NBU-1112 Discharge Circuit for Solid-State Laser Systems Development
Specifications
| Voltage (DC): | 24 V |
|---|---|
| Max Current Consumption: | 5 A |
| Capacitor Bank: | Not Specified |
| Inductance Coil: | Not Specified |
| PWM Max Output Voltage: | Not Specified |
| PWM Max Output Current: | Not Specified |
| PWM Output Pulse Width: | Not Specified |
| Free Discharge Max Output Voltage: | 800 V |
| Free Discharge Max Output Current: | 1000 A |
| Free Discharge Output Pulse Width: | Not Specified |
| Maximum Current Consumption: | 5A max, up to 10A peak |
| Max. Pulse Voltage: | up to 1300V |
| Max. Discharge Current: | 1000A for pulse width < 1ms, 500A for pulse width > 1ms |
| Max. Average Power: | 2000W |
| Max. Rep. Rate: | 100Hz (up to 200Hz on request) |
| Simmer Current: | 400mA (200-500mA on request) |
| Max Output Simmer Voltage: | 300V |
| Max Output Simmer Power: | 100W |
| Open Circuit Voltage: | 1500V |
| Trigger Pulse Width: | ~1us |
| Restrike Rate: | A few Hertz |
| Pulse Energy / Trigger Voltage (EXTERNAL): | ~20mJ / 350V positive |
| Pulse Energy / Trigger Voltage (SERIAL): | ~160mJ / 10kV negative |
| Output Pulse Width: | Accordingly to external TTL signal |
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Features
- Designed for Laser Systems: The NBU-1112 discharge circuit is crafted to simplify the development of solid-state laser systems by forming quasi-rectangular pulses on a flashlamp using energy stored in an external capacitor bank.
- Comprehensive Module: Includes IGBT, its driver, protective circuits, simmer and trigger circuits, and controls, but requires external discharge resistors and a capacitor charging power supply.
- Flexible Triggering Options: Supports both serial and external triggering, with options for simplified or complex modifications available upon request.
- Safety: Features a distinct separation between low and high voltage parts with 24V power input and interface circuits isolated by a 4mm creepage distance and solid insulation to 2500VAC test voltage.
- Pulse Parameters: Maximum voltage of 800V (up to 1000V on request), max discharge current of 1000A for pulse width < 1ms, and max average power of 2000W.
- Recommended Wiring: For capacitor bank and flashlamp connections, use FLEXI-2V or similar rated for >1000V voltage and >4mm2 cross-section.
- Simmer Parameters: Offers a simmer current of 400mA (adjustable between 200-500mA) with a max output voltage of 300V and max output power of 100W.
- Flashlamp Triggering: Trigger pulse width of ~1us and restrike rate automatically adjusted to a few Hertz.
- External Triggering: Pulse energy of ~20mJ with a trigger voltage of 350V positive, requiring an external transformer like the recommended ZS1324-24V LUL1(H) by Excelitas Technologies.
- Serial Triggering: Pulse energy of ~160mJ with a trigger voltage of 10kV negative, featuring an integrated transformer.
Applications
- Laser System Development: The NBU-1112 discharge circuit is designed to simplify the development of solid-state laser systems by providing quasi-rectangular pulses on a flashlamp using energy stored in an external capacitor bank.
Frequently Asked Questions
What is the NBU-1112 discharge circuit designed for?
Does the NBU-1112 include discharge resistors?
What additional components are required for the NBU-1112 to operate?
What are the power and voltage specifications for the NBU-1112?
What is the maximum pulse repetition rate for the NBU-1112?
How is the NBU-1112 protected against high voltage?
What are the triggering options available for the NBU-1112?
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