Work Package 2: Development of Amplifier Section to Boost Front End to >300W and <800 fs 

About

The overall aim of WP2 is to develop the main amplifier section seeded by the output of an oscillator front end in the 100mW range and delivering >300W of output power with sub-800 fs pulse duration. As input seed source both the seed oscillator developed in WP1 and Spectra-Physics’ own seed oscillator will be investigated. The specific objectives are: 

  1. Development of scalable, flexible amplifier “building blocks” to cover a wide range of power levels (from <100mW to >300W) following two different design optimization paths: High-gain amplifier stages for amplifying initial and low-power seed of <100mW 

  2. High-power amplifier stages (with high extraction efficiency) for boosting medium-level seed powers to the >300W level 

  3. Implementation of safety features to protect amplifier stages from parasitic lasing even under seed front end drop-out and low-duty cycle seeding, respectively. This feature will ensure reliable operation of amplifier and will ensure pulse-on-demand operation without any pulse amplitude over-or undershoot. 

  4. Development of electronic interface to allow for smooth integration and control of both seed front end developed in WP2 and Spectra-Physics’ own oscillator, respectively. 

  5. Support of USTUTT, GFH and DG during integration and operation of >300W laser system to ensure proper and reliable operation without any significant down-time.

Icefyre_FS_UV50_800w.jpg

The first commercial product (based on technology developed within the kW-Flexiburst project) will be a 50W UV system with <500fs and user-adjustable repetition rate. 

  • Highest-Precision Machining of Heat-Sensitive Materials with Highest Throughput 

  • Industry leading cost-performance 

  • Combination of UV wavelength and ultra-short laser pulse (< 500 fs) for finest features at highest quality 

  • User-configurable burst mode for processing with highest ablation efficiency: 

  • Adjustable number of pulses in burst 

  • Programmable burst shape (envelope of burst) 

  • Adjustable burst mode pulse separation 

  • Best pulse-on-demand (POD) and position synchronized output (PSO) triggering 24/7 industrial reliability 

300W amplifier

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10W amplifier