PP-KIT Electronics: Pulse Picking Developer Kit
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Ships from:
Poland
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On FindLight:
since 2020
Description
The PP-KIT electronics for pulse picking is an essential developer kit designed to address the critical task of resampling the repetition rate of pulsed lasers. This process, commonly referred to as pulse picking, is particularly vital in the realm of pico- and femtosecond lasers. Typically, seed lasers operate at repetition rates in the range of tens of MHz, often reaching up to 100 MHz or even higher. However, for effective amplification, significantly lower repetition rates, approximately in the tens of kHz range, are required. The pulse picker accomplishes this by applying short voltage pulses to an electro-optical crystal such as RTP, DKDP, or BBO, thereby controlling the polarization state of pulses within the pulse train. This selective modification of single pulse polarization allows further selection by a polarizer.
In a similar fashion, the input and output of pulses into and from the regenerative amplifier can be precisely controlled. The synchronization of the leading edge of the electrical pulse, typically set at a quarter-wave voltage, with the optical pulse as it traverses a specific area, is crucial. The falling edge of the electrical pulse is timed to coincide with the optical pulse's return to the same area, facilitating the release of the optical pulse from the amplifier. This synchronization is achieved through the use of a high voltage switch, such as the HVSW-03, which is capable of producing pulses with exceptionally fast rise and fall times.
A pivotal component in pulse picking applications is the control board, exemplified by the PP-CONTROL, which ensures the precise synchronization of electrical switching with optical pulses. In its simplest form, the control board aligns the sequence of high-voltage pulses relative to the optical pulse train, functioning as either a pulse picker or a regenerative amplifier driver, depending on the configuration of the high voltage switch. In more advanced implementations, the control board manages the entire pico- or femtosecond laser system, integrating one pulse picker and one regenerative amplifier to deliver comprehensive control and efficiency.
The PP-KIT includes modules such as the HVSW-04 or HVSW-03 Pockels cell drivers and the PP-control synchronization board, providing a robust foundation for developers working in the laser industry to achieve precise and efficient pulse picking.
PP-KIT Electronics: Pulse Picking Developer Kit
Specifications |
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|---|---|
| Voltage Range: | 0 – 4 KV |
| Rep Rate Range: | Single Shot to >1 MHz |
| Pulse Width Range: | 15 – 2000 ns |
| Optical Rise And Fall Time: | 7 ns |
Features
- High-Voltage Switch (HVSW-03/HVSW-04): Essential for generating pulses with very fast rise and fall times, ensuring precise control over the laser pulse train.
- PP-Control Synchronization Board: Aligns the sequence of high-voltage pulses with the optical pulse train, allowing for seamless integration with pulse pickers or regenerative amplifiers.
- Versatile Application: Suitable for use with pico- and femtosecond lasers, effectively reducing repetition rates from tens of MHz to tens of kHz for optimal amplification.
- Precision Timing: Synchronizes the electrical pulse leading and falling edges with optical pulses to ensure accurate pulse release from amplifiers.
- Developer Kit: Ideal for laser industry professionals looking to implement or improve pulse picking techniques in their systems.
Applications
- Pulse Picking in Laser Industry: Resample down the repetition rate of pulsed lasers, commonly used with pico- and femtosecond lasers.
- Seed Laser Repetition Rate Adjustment: Reduce ordinary seed laser repetition rates from tens of MHz to necessary lower rates, approximately tens of kHz, for further amplification.
- Regenerative Amplifier Pulse Control: Manage input/output of pulses into/from the regenerative amplifier.
- High Voltage Switching: Utilize high voltage switches (e.g., HVSW-03) for producing pulses with fast rise and fall times.
Frequently Asked Questions
The PP-KIT is a developer kit designed for resampling the repetition rate of pulsed lasers, particularly in pico- and femtosecond lasers, a process known as pulse picking.
The PP-KIT addresses the need to reduce the repetition rate of seed lasers from tens of MHz to tens of kHz for further amplification in laser systems.
The pulse picker works by applying short voltage pulses to an electro-optical crystal, such as RTP, DKDP, or BBO, to control the polarization state of pulses in the pulse train, allowing selected pulses to be further processed.
The key components include a high voltage switch (e.g., HVSW-03) for producing fast rise and fall time pulses, and a control board (e.g., PP-CONTROL) for synchronizing electrical switching with optical pulses.
Yes, the PP-KIT can be used with pico- and femtosecond lasers, as it is designed to handle the pulse picking process for these types of lasers.
The modules included are HVSW-04 or HVSW-03 Pockels cell drivers and the PP-control synchronization board.
In its simplest form, the control board aligns high-voltage pulses with the optical pulse train. In advanced setups, it manages the entire pico- or femtosecond laser system, including both the pulse picker and regenerative amplifier.